This paper reviews key policy instruments, the state of water resources in Nova Scotia and the possible impacts hydraulic fracturing may have on those resources. In particular the paper addresses: the current status of water in Nova Scotia; concerns with water and unconventional shale gas development; water regulations for hydraulic fracturing in other jurisdictions; current water regulations in Nova Scotia and; water management with hydraulic fracturing in a Nova Scotia context.
This document summarizes several water law cases from 2016. It discusses Texas v. New Mexico, a case regarding water rights on the Rio Grande River. It also summarizes Coyote Lake Ranch v. City of Lubbock, a groundwater rights case, and In re: Application by the Brazos River Authority, a water permit case. Finally, it briefly mentions other pending water law cases and decisions.
Biosolids: Regulation and Policy, Julie NahrgangTWCA
This document discusses public perception of biosolids land application in Texas. It provides background on biosolids as a nutrient-rich byproduct of wastewater treatment that benefits soil and agriculture. However, some public opposition groups argue biosolids are "toxic waste" and threaten legal action. The document outlines protests against specific permit applications and withdrawn permits. It discusses previous legislative attempts to increase county biosolids regulation and resources for improving public trust through education, risk communication, and inclusive decision making.
Kynan Witters Hicks, Global Perspectives Capstone, April 2014 -- Final DraftKynan Witters-Hicks
This document provides a capstone research paper on transboundary water sharing between riparian states. It begins with an introduction to the importance of rivers and the history of water management. It then presents a theoretical framework and case studies of the Danube River Basin and Mekong River Basin. For the Danube, the context includes strong European political integration and legal structures for management. However, challenges remain at local levels due to shifting responsibilities and funding issues. Overall, the degree of sustainability achieved depends on both contextual factors and implementation of integrated water resource management principles.
The document discusses the Water Resources Development Act (WRDA) and the role it plays in authorizing civil works projects for the U.S. Army Corps of Engineers. It notes that WRDA authorizations do not provide funding and that appropriations are still required for authorized projects and studies to proceed. The document provides a history of WRDAs since 1986 and highlights shifts toward more cost sharing with non-federal sponsors and consideration of environmental requirements. It also discusses the differences between the expansive Senate and more limited House versions of WRDA 2016 that were under consideration at the time. The briefing concludes with discussing potential next steps like collaborating with other water organizations and awaiting "no harm" language from the Senate committee.
This document summarizes discussions from the Imported Water Committee meeting on May 23, 2013. It discusses the Water Authority's support for a "Bay-Delta fix" to improve water supply reliability while restoring ecosystems. While not endorsing a specific conveyance project, the Water Authority is analyzing the BDCP and alternatives like the "Portfolio Approach" to determine costs and benefits. The document outlines the Water Authority's Bay Delta policy principles and notes its ongoing engagement with state agencies and stakeholders on the issue.
Water Management Strategies Using Multi-Criteria Decision Analysis in Santa C...Scientific Review SR
Islands threatened by tourism around the world are under significant stress due to overutilization of (scarce) water resources. The continuous increase of water demand in Puerto Ayora, the main touristic centre of the Galápagos, has become a threat for the water supply system, portraying the current situation unsustainable on the long-term horizon. For this reason, a Multi-Criteria Decision Analysis (MCDA) is tested as a suitable methodology in the presence of scarce data, leading to a set of indicators and intervention strategies, aiming to mitigate the future water demand coverage. The current analysis revealed the most sustainable solution, including environmental, technical, economic and social criteria, by using the DEFINITE software. The results indicate that best option for most of the stakeholders’ groups is the option combining all proposed-sustainable options like greywater recycling, specific demand reduction and rainwater harvesting.
Management of transboundary water resources in South AmericaIsabela Espíndola
Tsukuba global science week 2018
Worshop CiC - Isabela Battistello Espindola presentation
Management of transboundary water resources in South America - CIC La Plata Basin
The document discusses integrated water resources management (IWRM) in Nepal. It begins by defining IWRM and outlining its key principles. It then describes Nepal's water resources and the various ways water is used. The document also discusses the challenges facing water management in Nepal and outlines the tools and approaches used in IWRM, including water assessments, impact assessments, and performance evaluation. It analyzes Nepal's policies and institutions related to IWRM and concludes that while IWRM principles have been adopted, developing effective local institutions remains a challenge.
This document summarizes several water law cases from 2016. It discusses Texas v. New Mexico, a case regarding water rights on the Rio Grande River. It also summarizes Coyote Lake Ranch v. City of Lubbock, a groundwater rights case, and In re: Application by the Brazos River Authority, a water permit case. Finally, it briefly mentions other pending water law cases and decisions.
Biosolids: Regulation and Policy, Julie NahrgangTWCA
This document discusses public perception of biosolids land application in Texas. It provides background on biosolids as a nutrient-rich byproduct of wastewater treatment that benefits soil and agriculture. However, some public opposition groups argue biosolids are "toxic waste" and threaten legal action. The document outlines protests against specific permit applications and withdrawn permits. It discusses previous legislative attempts to increase county biosolids regulation and resources for improving public trust through education, risk communication, and inclusive decision making.
Kynan Witters Hicks, Global Perspectives Capstone, April 2014 -- Final DraftKynan Witters-Hicks
This document provides a capstone research paper on transboundary water sharing between riparian states. It begins with an introduction to the importance of rivers and the history of water management. It then presents a theoretical framework and case studies of the Danube River Basin and Mekong River Basin. For the Danube, the context includes strong European political integration and legal structures for management. However, challenges remain at local levels due to shifting responsibilities and funding issues. Overall, the degree of sustainability achieved depends on both contextual factors and implementation of integrated water resource management principles.
The document discusses the Water Resources Development Act (WRDA) and the role it plays in authorizing civil works projects for the U.S. Army Corps of Engineers. It notes that WRDA authorizations do not provide funding and that appropriations are still required for authorized projects and studies to proceed. The document provides a history of WRDAs since 1986 and highlights shifts toward more cost sharing with non-federal sponsors and consideration of environmental requirements. It also discusses the differences between the expansive Senate and more limited House versions of WRDA 2016 that were under consideration at the time. The briefing concludes with discussing potential next steps like collaborating with other water organizations and awaiting "no harm" language from the Senate committee.
This document summarizes discussions from the Imported Water Committee meeting on May 23, 2013. It discusses the Water Authority's support for a "Bay-Delta fix" to improve water supply reliability while restoring ecosystems. While not endorsing a specific conveyance project, the Water Authority is analyzing the BDCP and alternatives like the "Portfolio Approach" to determine costs and benefits. The document outlines the Water Authority's Bay Delta policy principles and notes its ongoing engagement with state agencies and stakeholders on the issue.
Water Management Strategies Using Multi-Criteria Decision Analysis in Santa C...Scientific Review SR
Islands threatened by tourism around the world are under significant stress due to overutilization of (scarce) water resources. The continuous increase of water demand in Puerto Ayora, the main touristic centre of the Galápagos, has become a threat for the water supply system, portraying the current situation unsustainable on the long-term horizon. For this reason, a Multi-Criteria Decision Analysis (MCDA) is tested as a suitable methodology in the presence of scarce data, leading to a set of indicators and intervention strategies, aiming to mitigate the future water demand coverage. The current analysis revealed the most sustainable solution, including environmental, technical, economic and social criteria, by using the DEFINITE software. The results indicate that best option for most of the stakeholders’ groups is the option combining all proposed-sustainable options like greywater recycling, specific demand reduction and rainwater harvesting.
Management of transboundary water resources in South AmericaIsabela Espíndola
Tsukuba global science week 2018
Worshop CiC - Isabela Battistello Espindola presentation
Management of transboundary water resources in South America - CIC La Plata Basin
The document discusses integrated water resources management (IWRM) in Nepal. It begins by defining IWRM and outlining its key principles. It then describes Nepal's water resources and the various ways water is used. The document also discusses the challenges facing water management in Nepal and outlines the tools and approaches used in IWRM, including water assessments, impact assessments, and performance evaluation. It analyzes Nepal's policies and institutions related to IWRM and concludes that while IWRM principles have been adopted, developing effective local institutions remains a challenge.
U.S. Army Corps of Engineers Update, Mark Mazzanti SESTWCA
This 3-paragraph summary provides an overview of the USACE Civil Works Programs and Policy Update presentation:
The presentation discusses the USACE Southwestern Division's civil works mission and area of responsibility, which includes hundreds of water resources development projects across 4 states. It highlights some of the major programs, such as navigation, hydropower, water supply, recreation, and flood risk management. The presentation also provides an overview of the civil works budget outlook and new authorities granted under the Water Infrastructure Improvements for the Nation Act. These include provisions related to cost-sharing, flood risk management projects, mitigation banking, beneficial use of dredged material, and authorization of proposed feasibility studies.
The Dallas-Fort Worth Metroplex region of Texas is one of the fastest growing areas in the country, with a population projected to nearly double to over 13 million by 2060. As a result, water demand is projected to increase by 86% over that period, driven mainly by a 91% increase in municipal use. To meet the additional 1.6 million acre-feet of water needed annually by 2060, water management plans call for increasing water reuse and conservation measures, as well as constructing four new major reservoirs at an estimated cost of $21.5 billion. Conservation strategies include education, pricing structures, wastewater prohibitions, audits, and plumbing code changes.
The document discusses updates to desired future conditions (DFCs) for major aquifers in Texas. DFCs are quantified conditions for groundwater resources like water levels at specified future times, set by groundwater management area representatives. New DFCs were proposed by May 2016 and districts are considering public input before voting to adopt them. The document outlines the DFC process, factors considered, appeals process, and status of DFC proposals. It notes nearly 500 proposed or adopted DFCs so far, with the most in GMA 8 and for the Glen Rose aquifer subdivision.
Coastal Green Infrastructure for Westchester Creek_small IVMarcel Negret
This document provides an overview and analysis of coastal green infrastructure opportunities for Westchester Creek in the Bronx. It begins with background on the degraded environmental conditions and increasing flood risks facing the creek. The author then outlines their project framework, which includes working with local groups to understand concerns and empower community participation in water management plans. Through physical surveys and interviews, the author assesses existing creek conditions and regulatory plans. The document then defines coastal green infrastructure and reviews case studies of its use for flood mitigation and water quality improvement. Finally, the author proposes implementing coastal green infrastructure at Westchester Creek to address flooding and pollution, with the goal of informing and engaging local stakeholders in the decision-making process.
The document discusses the history of biosolids disposal for TRA CRWS from 1996-2016, including two land application contracts and extensions, a petition from Ellis County residents, new TCEQ rules, a landfill contract, and rising disposal costs. A chart shows biosolids disposal expenses increasing from $3.88 million in 2011 to a projected $8.48 million in 2016. The document also describes communication efforts like fact sheets, FAQs, and videos aimed at legislators, officials, landowners, and neighbors to provide information about biosolids production and land application.
This document provides background on the growing problem of managing concentrate streams from membrane-based desalination systems (MBDS). Fresh water scarcity is increasing global population growth and economic development. MBDS using reverse osmosis now dominate over thermal distillation due to lower energy requirements. However, RO produces a concentrate stream with high total dissolved solids that is difficult to dispose of inland. Drivers moving desalination inland include water reuse, contaminated water sources, and the water-energy nexus in oil/gas extraction and power production. Sustainable management of MBDS concentrate is challenging but important as desalination increases to support water and energy demands.
The document summarizes a presentation given to the Imported Water Committee about the Bay-Delta and California WaterFix project. It provides background on efforts to address water supply reliability and ecosystem restoration in the Bay-Delta, including the formation of BDCP and transition to California WaterFix. Key differences between the projects are noted. Questions still remaining about project size, costs, financing, and impacts to local agencies like the Water Authority are identified. Next steps in the environmental review process are outlined.
DRAFT - NRW IN THE GLOBAL SOUTH - RICHARD ATKINSONRichard Atkinson
This document provides a literature review of strategies for managing non-revenue water (NRW) in developing countries. It defines NRW as water lost through leaks in distribution systems and unbilled water. Rapid urbanization in developing regions is increasing water demand and stressing resources. Reducing NRW through leak detection and infrastructure improvements can generate "new water" without developing additional sources. However, NRW reduction has proven difficult in developing countries due to technical, economic, and institutional challenges. The literature identifies key strategies for sustainable NRW reduction, including creating an enabling environment, using incentives, innovative public-private partnerships, and building technical and institutional capacity.
The document provides an initial design report for establishing the Sustainable Water Future Programme (SWFP). It outlines that SWFP will build upon over a decade of research by the Global Water System Project to focus on solution-oriented water research that is co-produced with policy and management communities. The key elements of SWFP will include cutting-edge interdisciplinary research, knowledge synthesis, solutions developed through stakeholder engagement, scientific assessments, and capacity building. SWFP aims to maximize the value of water research and promote sustainable water management through balancing human and environmental needs.
This document summarizes various funding sources that can be used to upgrade aging water infrastructure in New Jersey to help ensure safe drinking water. It discusses federal funding programs like the Drinking Water State Revolving Fund as well as state-level programs in New Jersey like the New Jersey Environmental Infrastructure Trust, which provides low-interest loans to fund water quality projects. It also outlines other state grant and tax incentive programs that could help finance necessary improvements to water delivery systems. The goal is to encourage proactive replacement of outdated pipes and infrastructure to prevent future water contamination crises.
Water–Demand Management in the Kingdom of Saudi Arabia for Enhancement Enviro...IOSR Journals
This document discusses water demand management strategies in Saudi Arabia. Saudi Arabia faces acute water shortages due to its arid climate and lack of permanent water sources. While water is a renewable resource, availability is extremely low relative to demand, which is increasing rapidly due to population growth and rising living standards. The majority of water is currently used for agricultural irrigation. The document suggests implementing conservation measures, improving water use efficiency, and using technologies like GIS to better manage water infrastructure and demand. The objective is to safeguard this critical resource for future generations through environmental enhancement and sustainable management.
This document discusses a government relations program on imported water and the Bay-Delta Conservation Plan (BDCP). It notes the competing interests in the Delta region involving water supply, ecosystem, and transportation. It outlines the Water Authority's analysis of the BDCP plan and environmental reviews over several years. Key questions are identified regarding project size, costs, water supply benefits for San Diego, and financial obligations. The Water Authority will continue engagement to ensure a cost-effective Delta solution that balances environmental and water supply needs and limits financial obligations proportionate to benefits received.
Network for Sustainable Hydropower Development for Mekong Region with the support of MRC-GIZ Cooperation Programme from the Research Center for Environmental and Hazardous Substance Management of Khon Kaen University gave a presentation on Trans-Boundary Issue.
This document summarizes a report on long term water security and international waters. It discusses how water management inherently involves conflict management due to competing interests. It analyzes the concepts of hydropolitical resilience and vulnerability. Basins with strong international agreements and cooperative history demonstrate resilience, while rapid environmental/institutional changes and hostile relations indicate vulnerability. Historically, most international water events involve cooperation rather than violence. However, tensions can arise during the long time lags between unilateral development projects and final agreements between nations sharing waters. Overall, international waters present opportunities for both conflict and cooperation depending on political relationships and institutional capacity.
Water resource systems face challenges in meeting basic needs and supporting ecosystems. This is often due to inappropriate infrastructure, overuse, pollution, and failures in planning and management. Effective water resource planning requires addressing socioeconomic factors and recognizing hydrologic limits, while meeting diverse human and environmental needs. Case studies on the Tigris/Euphrates rivers, Jordan River Basin, and Missouri River illustrate the complex political, social, and institutional issues surrounding water resource management.
Signifying transboundary cooperation from local to global development targets...ICIMOD
The document summarizes international cooperation for water management in the Danube River Basin. It discusses the International Commission for the Protection of the Danube River (ICPDR), which coordinates implementation of EU directives. The ICPDR works to make the river basin cleaner, healthier, and safer from floods by 2021 through its Danube River Basin Management Plan and Flood Risk Management Plan. It also cooperates with other organizations and frameworks to manage water, ecosystems, hydropower, agriculture, and climate adaptation across boundaries in a sustainable way.
The document provides information from a Water Quality Report from the Spider Lake Property Owners Association. It discusses corrections to the annual clean-up dates, a new water quality banner initiative, an upcoming plant mapping workshop with a university expert to create a lake management plan, a proposed 2013 budget of $700 for testing supplies and conference attendance, an invasive phragmites species detected on the lake and an upcoming workshop about it, and closes by asking for any questions.
The document summarizes the process of developing and piloting water safety plans (WSPs) in Bangladesh. Model WSPs were developed for various rural water supply technologies through expert workshops. These plans and accompanying community monitoring tools were then piloted by several organizations, including NGOs and DPHE. The results of the pilots showed improvements in water quality and sanitation. Communities responded positively and saw benefits. Based on the success, WSPs are being scaled up nationally in Bangladesh to improve water safety.
U.S. Army Corps of Engineers Update, Mark Mazzanti SESTWCA
This 3-paragraph summary provides an overview of the USACE Civil Works Programs and Policy Update presentation:
The presentation discusses the USACE Southwestern Division's civil works mission and area of responsibility, which includes hundreds of water resources development projects across 4 states. It highlights some of the major programs, such as navigation, hydropower, water supply, recreation, and flood risk management. The presentation also provides an overview of the civil works budget outlook and new authorities granted under the Water Infrastructure Improvements for the Nation Act. These include provisions related to cost-sharing, flood risk management projects, mitigation banking, beneficial use of dredged material, and authorization of proposed feasibility studies.
The Dallas-Fort Worth Metroplex region of Texas is one of the fastest growing areas in the country, with a population projected to nearly double to over 13 million by 2060. As a result, water demand is projected to increase by 86% over that period, driven mainly by a 91% increase in municipal use. To meet the additional 1.6 million acre-feet of water needed annually by 2060, water management plans call for increasing water reuse and conservation measures, as well as constructing four new major reservoirs at an estimated cost of $21.5 billion. Conservation strategies include education, pricing structures, wastewater prohibitions, audits, and plumbing code changes.
The document discusses updates to desired future conditions (DFCs) for major aquifers in Texas. DFCs are quantified conditions for groundwater resources like water levels at specified future times, set by groundwater management area representatives. New DFCs were proposed by May 2016 and districts are considering public input before voting to adopt them. The document outlines the DFC process, factors considered, appeals process, and status of DFC proposals. It notes nearly 500 proposed or adopted DFCs so far, with the most in GMA 8 and for the Glen Rose aquifer subdivision.
Coastal Green Infrastructure for Westchester Creek_small IVMarcel Negret
This document provides an overview and analysis of coastal green infrastructure opportunities for Westchester Creek in the Bronx. It begins with background on the degraded environmental conditions and increasing flood risks facing the creek. The author then outlines their project framework, which includes working with local groups to understand concerns and empower community participation in water management plans. Through physical surveys and interviews, the author assesses existing creek conditions and regulatory plans. The document then defines coastal green infrastructure and reviews case studies of its use for flood mitigation and water quality improvement. Finally, the author proposes implementing coastal green infrastructure at Westchester Creek to address flooding and pollution, with the goal of informing and engaging local stakeholders in the decision-making process.
The document discusses the history of biosolids disposal for TRA CRWS from 1996-2016, including two land application contracts and extensions, a petition from Ellis County residents, new TCEQ rules, a landfill contract, and rising disposal costs. A chart shows biosolids disposal expenses increasing from $3.88 million in 2011 to a projected $8.48 million in 2016. The document also describes communication efforts like fact sheets, FAQs, and videos aimed at legislators, officials, landowners, and neighbors to provide information about biosolids production and land application.
This document provides background on the growing problem of managing concentrate streams from membrane-based desalination systems (MBDS). Fresh water scarcity is increasing global population growth and economic development. MBDS using reverse osmosis now dominate over thermal distillation due to lower energy requirements. However, RO produces a concentrate stream with high total dissolved solids that is difficult to dispose of inland. Drivers moving desalination inland include water reuse, contaminated water sources, and the water-energy nexus in oil/gas extraction and power production. Sustainable management of MBDS concentrate is challenging but important as desalination increases to support water and energy demands.
The document summarizes a presentation given to the Imported Water Committee about the Bay-Delta and California WaterFix project. It provides background on efforts to address water supply reliability and ecosystem restoration in the Bay-Delta, including the formation of BDCP and transition to California WaterFix. Key differences between the projects are noted. Questions still remaining about project size, costs, financing, and impacts to local agencies like the Water Authority are identified. Next steps in the environmental review process are outlined.
DRAFT - NRW IN THE GLOBAL SOUTH - RICHARD ATKINSONRichard Atkinson
This document provides a literature review of strategies for managing non-revenue water (NRW) in developing countries. It defines NRW as water lost through leaks in distribution systems and unbilled water. Rapid urbanization in developing regions is increasing water demand and stressing resources. Reducing NRW through leak detection and infrastructure improvements can generate "new water" without developing additional sources. However, NRW reduction has proven difficult in developing countries due to technical, economic, and institutional challenges. The literature identifies key strategies for sustainable NRW reduction, including creating an enabling environment, using incentives, innovative public-private partnerships, and building technical and institutional capacity.
The document provides an initial design report for establishing the Sustainable Water Future Programme (SWFP). It outlines that SWFP will build upon over a decade of research by the Global Water System Project to focus on solution-oriented water research that is co-produced with policy and management communities. The key elements of SWFP will include cutting-edge interdisciplinary research, knowledge synthesis, solutions developed through stakeholder engagement, scientific assessments, and capacity building. SWFP aims to maximize the value of water research and promote sustainable water management through balancing human and environmental needs.
This document summarizes various funding sources that can be used to upgrade aging water infrastructure in New Jersey to help ensure safe drinking water. It discusses federal funding programs like the Drinking Water State Revolving Fund as well as state-level programs in New Jersey like the New Jersey Environmental Infrastructure Trust, which provides low-interest loans to fund water quality projects. It also outlines other state grant and tax incentive programs that could help finance necessary improvements to water delivery systems. The goal is to encourage proactive replacement of outdated pipes and infrastructure to prevent future water contamination crises.
Water–Demand Management in the Kingdom of Saudi Arabia for Enhancement Enviro...IOSR Journals
This document discusses water demand management strategies in Saudi Arabia. Saudi Arabia faces acute water shortages due to its arid climate and lack of permanent water sources. While water is a renewable resource, availability is extremely low relative to demand, which is increasing rapidly due to population growth and rising living standards. The majority of water is currently used for agricultural irrigation. The document suggests implementing conservation measures, improving water use efficiency, and using technologies like GIS to better manage water infrastructure and demand. The objective is to safeguard this critical resource for future generations through environmental enhancement and sustainable management.
This document discusses a government relations program on imported water and the Bay-Delta Conservation Plan (BDCP). It notes the competing interests in the Delta region involving water supply, ecosystem, and transportation. It outlines the Water Authority's analysis of the BDCP plan and environmental reviews over several years. Key questions are identified regarding project size, costs, water supply benefits for San Diego, and financial obligations. The Water Authority will continue engagement to ensure a cost-effective Delta solution that balances environmental and water supply needs and limits financial obligations proportionate to benefits received.
Network for Sustainable Hydropower Development for Mekong Region with the support of MRC-GIZ Cooperation Programme from the Research Center for Environmental and Hazardous Substance Management of Khon Kaen University gave a presentation on Trans-Boundary Issue.
This document summarizes a report on long term water security and international waters. It discusses how water management inherently involves conflict management due to competing interests. It analyzes the concepts of hydropolitical resilience and vulnerability. Basins with strong international agreements and cooperative history demonstrate resilience, while rapid environmental/institutional changes and hostile relations indicate vulnerability. Historically, most international water events involve cooperation rather than violence. However, tensions can arise during the long time lags between unilateral development projects and final agreements between nations sharing waters. Overall, international waters present opportunities for both conflict and cooperation depending on political relationships and institutional capacity.
Water resource systems face challenges in meeting basic needs and supporting ecosystems. This is often due to inappropriate infrastructure, overuse, pollution, and failures in planning and management. Effective water resource planning requires addressing socioeconomic factors and recognizing hydrologic limits, while meeting diverse human and environmental needs. Case studies on the Tigris/Euphrates rivers, Jordan River Basin, and Missouri River illustrate the complex political, social, and institutional issues surrounding water resource management.
Signifying transboundary cooperation from local to global development targets...ICIMOD
The document summarizes international cooperation for water management in the Danube River Basin. It discusses the International Commission for the Protection of the Danube River (ICPDR), which coordinates implementation of EU directives. The ICPDR works to make the river basin cleaner, healthier, and safer from floods by 2021 through its Danube River Basin Management Plan and Flood Risk Management Plan. It also cooperates with other organizations and frameworks to manage water, ecosystems, hydropower, agriculture, and climate adaptation across boundaries in a sustainable way.
The document provides information from a Water Quality Report from the Spider Lake Property Owners Association. It discusses corrections to the annual clean-up dates, a new water quality banner initiative, an upcoming plant mapping workshop with a university expert to create a lake management plan, a proposed 2013 budget of $700 for testing supplies and conference attendance, an invasive phragmites species detected on the lake and an upcoming workshop about it, and closes by asking for any questions.
The document summarizes the process of developing and piloting water safety plans (WSPs) in Bangladesh. Model WSPs were developed for various rural water supply technologies through expert workshops. These plans and accompanying community monitoring tools were then piloted by several organizations, including NGOs and DPHE. The results of the pilots showed improvements in water quality and sanitation. Communities responded positively and saw benefits. Based on the success, WSPs are being scaled up nationally in Bangladesh to improve water safety.
Dokumen tersebut memberikan panduan konfigurasi server proxy, DNS, web dan FTP pada jaringan. Langkah-langkahnya meliputi pengaturan alamat IP, konfigurasi DNS untuk dua domain, pembuatan direktori virtual, pengaturan proxy untuk memblokir situs tertentu, serta pengujian FTP server.
The report summarizes a field trip to the Kpakungu area of Minna, Niger State to assess urban planning challenges. Key findings include:
1) Housing is unplanned with inadequate spacing between buildings and lack of infrastructure like roads and drainage.
2) Water sources are contaminated due to proximity to waste and lack of sanitation facilities. Electricity is scarce and firewood is primarily used.
3) Health and education facilities are limited. Tourism potential is also limited due to lack of planning.
Recommendations call for improved planning, infrastructure development, sustainable energy access, and water/sanitation improvements to address health, environmental and quality of life issues in the area. Proper urban
This document is Aquarion Water Company's 2013 Water Quality Report for customers in the Greater Bridgeport System. It provides information on water quality testing results that meet or exceed standards, investments in water system infrastructure, and programs to protect water sources and encourage conservation. Key information included are a water quality table with test results, explanations of water treatment processes, and tips for customers on maintaining water quality.
The water quality report for the City of Dania Beach shows that:
1) Testing found the city's water supply to be safe and meeting all federal and state standards in 2010.
2) The city's water source is the Biscayne aquifer and undergoes lime softening and filtration treatment before being disinfected and distributed.
3) Testing detected very low levels of some contaminants that do not exceed safety limits, including barium and fluoride, but no violations were reported.
NZCA submission on Next steps for fresh water April 2016Mark Christensen
The New Zealand Conservation Authority (NZCA) is submitting comments on the "Next Steps for Fresh Water" consultation document. Some key points made in the NZCA's submission include:
1) The NZCA supports developing new water quality attributes to address all effects on aquatic ecosystems, and applying attributes to estuaries and coastal lakes.
2) Many current water quality standards are inadequate and should be more ambitious to improve degraded water quality over the long term.
3) The NZCA supports using macroinvertebrate community index as a new attribute but standards should align with ANZEEC guidelines to ensure ecosystem health.
4) Exceptions for significant infrastructure like hydroelectricity should not be
Access to clean, sustainable supplies of water is essential for the operation and growth of Canada’s major natural resource sectors — energy, mining, forest, and agriculture. The health of our ecosystems is also dependent upon those same clean, sustainable water supplies, creating the potential for competing uses. Canada’s apparent water abundance masks a looming scarcity challenge for our important natural resource sectors and for certain regions of our country.
Changing Currents is the result of over a year of research and engagement involving some of the country’s leading experts on water management and policy, and collaboration with key industry representatives and associations.
Climate Change Impacts on the Goals of the New York-New Jersey Harbor Estuary...Sabrina Ramkhelawan
This document summarizes a report submitted to the New York-New Jersey Harbor Estuary Program (HEP) that analyzes how climate change may impact the goals of HEP's 2011-2015 Action Plan. The report was produced by students at Barnard College. It first outlines HEP's five main goals: clean up pollution; improve habitat and ecology; increase public access; support an economically viable port; and increase public education. It then identifies four key climate stressors - increasing temperature, precipitation, sea level, and extreme weather. Much of the report analyzes how each goal may be vulnerable to these stressors, such as higher pollution from more extreme rainfall, changes in habitats from rising seas and temperatures, and threats to the
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This document summarizes a report on water use efficiency efforts among water suppliers in Washington state since the adoption of the state's Water Use Efficiency rule in 2007. The report found that most water suppliers have taken significant actions to improve efficiency, such as repairing leaks, implementing conservation rates, installing meters, and setting conservation goals. It also provides data showing progress in specific areas like leakage rates and adoption of efficiency measures. The document aims to establish a baseline for measuring continued progress in water efficiency.
This document summarizes a workshop held by the University of Saskatchewan and UNEP GEMS/Water program on global water quality modelling from October 13-14, 2010. The workshop brought together researchers working on water quality modelling at a global scale. Participants presented their current research and discussed how to better integrate global water quality and quantity data from sources like GEMStat and GRDC to improve global water assessments and modelling. Key outcomes included forming a scientific steering committee and proposing a comparative study of water management and policy in areas with rich water data versus limited data to demonstrate the value of monitoring programs.
Climate change and resource development scenarios for the Nechako watershed -...Carling Matthews
The document summarizes a workshop that envisioned four future scenarios for the Nechako watershed in British Columbia based on varying levels of climate change and natural resource development. Thirty-two stakeholders from diverse backgrounds attended the workshop and helped develop descriptions of the watershed in 2050 under scenarios of low/high climate change and low/high resource development. For each scenario, participants identified potential impacts on natural and human systems as well as adaptation strategies. The workshop aimed to facilitate knowledge-sharing and long-term planning to help the region prepare for climate impacts and manage resource development.
Climate change and resource development scenarios for the Nechako watershed -...Carling Matthews
This document summarizes a workshop report on developing climate change and resource development scenarios for the Nechako watershed in British Columbia. Thirty-two stakeholders from various sectors attended the workshop to create four scenarios for the watershed in 2050 based on combinations of high/low climate change and resource development. The scenarios envisioned impacts on natural, social, and economic systems. The report findings will help facilitate knowledge-sharing, long-term planning, and climate action in the region.
The document discusses issues with the proposed California WaterFix system to build two new tunnels from the Sacramento River to pumping plants in the Delta. It argues that the project would be economically unreasonable and environmentally damaging, as it would negatively impact fisheries, ocean outflows, and potentially increase sea levels from shifting river flows. Instead, it recommends focusing investments on improving current Delta levees and fish screens to preserve marine life while also being safer and more reliable.
Discussion paper content condensed for webHaveYourSay
The document discusses potential water supply portfolios for the Lower Hunter region to meet future water demands and improve drought security. Six portfolios combining different water supply and demand options are presented, including water efficiency programs, drought restrictions, stormwater harvesting, recycled water schemes, and desalination. Community feedback is sought on the portfolios, which consider factors like costs, environmental and social impacts, and risks. The portfolios were developed through technical investigations and community consultation to identify and evaluate options that could contribute to securing the region's water supply.
This document discusses developing a water plan for the lower Hunter region of Australia. It outlines six potential portfolios or combinations of supply and demand measures to meet the plan's objectives of providing water security during droughts, reliable water supplies to meet growing demand, and protecting aquatic ecosystems. The portfolios were developed using models to predict future water supply and demand under different climate scenarios. Community feedback is sought on the portfolios to incorporate social, economic, and environmental considerations into the final water plan.
This document discusses challenges to global water security due to factors like climate change, population growth, and pollution. It introduces concepts like the water-food-energy nexus, virtual water, and water footprints. Potential solutions discussed include desalination, conservation, integrated water management, and appropriate water pricing. The document emphasizes the need for a holistic, systems approach to address growing threats to secure access to fresh water worldwide.
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This document has been prepared by the Agham Advocates of Science& Technology for the People (AGHAM) to aid local communities threatened by dam projects. This reference document contain information and tools that can be used by the community to have a better understanding of dams and make informed decisions how to collectively approach the dam project in their area. This guide is not exhaustive and complete, but centers on basic questions to learn more about the dam project in the area and to guide further research.
The Centre for Ecology & Hydrology, on behalf of the UK Committee for National and International Hydrology, convened a special session on International Catchment Management Science and Application at the World Water Congress XV in May 2015.
This document discusses the effects of global warming on irrigation development and crop production worldwide. It begins by outlining the greenhouse effect and observed changes in global temperature, precipitation patterns, and sea levels over the 20th century due to increasing greenhouse gas concentrations. It then discusses how climate change will impact agriculture by altering evapotranspiration, precipitation, and water availability. Adaptation strategies like changing land and water management practices will be needed. Current irrigation supports 40% of food production but will need to increase to meet growing demand. Models project a 15-22% increase in irrigated area is needed by 2025. Improving water productivity and closing yield gaps in existing farmland will be important to boost production under climate change.
This document summarizes a paper presented at the Water Efficiency Conference 2016 on integrated water planning strategies. It discusses how climate change and population growth are increasing pressures on water resources. Current siloed approaches to water management are proving inadequate. The need for integrated water management that coordinates planning for water resources, quality, and flooding has never been greater. The paper reviews different approaches to integrated planning internationally and in the UK. It also summarizes interviews with water planners on barriers and benefits to integrated planning in the UK.
The document discusses various challenges facing water resource management in the US, including population growth, aging infrastructure, environmental issues, and climate change. It outlines the US Army Corps of Engineers' shift to a more holistic, collaborative approach focused on long-term solutions through integrated water resource management, risk-informed decision making, adaptive management, and leveraging of resources.
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Cape Breton University Report: Fracking Impacts on Water Quality
1. What are the interactions between unconventional
gas resources and water resources? Input quality
and quantity requirements and water treatment
needs and impacts.
Nova Scotia Hydraulic Fracturing Independent Review and Public Engagement Process
Lead Author: Dr. Graham Gagnon
Expert Panellists: Dr. Frank Atherton, Dr. Michael Bradfield, Kevin Christmas, Dr. Shawn Dalton, Dr.
Maurice Dusseault, Dr. Brad Hayes, Constance MacIntosh, Dr. Ian Mauro & Ray Ritcey
Supporting Contributors: Fred Baechler, Margo MacGregor & Dr. David Wheeler
Water quality and quantity are priorities for Nova Scotians. Accordingly, the Nova Scotia
government has developed many policies to ensure water safety and security are protected.
This paper reviews key policy instruments, the state of water resources in Nova Scotia and the
possible impacts hydraulic fracturing may have on those resources. In particular the paper
addresses: the current status of water in Nova Scotia; concerns with water and unconventional
shale gas development; water regulations for hydraulic fracturing in other jurisdictions; current
water regulations in Nova Scotia and; water management with hydraulic fracturing in a Nova
Scotia context.
2. Discussion Paper: What are the interactions between unconventional gas resources
and water resources? Input quality and quantity requirements and water treatment
needs and impacts.
How to Read this Paper
This discussion paper will in due course form the basis of a chapter in the full report produced for the
Hydraulic Fracturing Independent Review and Public Engagement Process in Nova Scotia.1
The paper
should be read in conjunction with the Primer on Hydraulic Fracturing2
which we released on March 10th
2014. This paper has been prepared to describe the interactions between unconventional gas resources
and water resources. This discussion paper reviews the current status of water resources in Nova
Scotia, methods of addressing water issues in other jurisdictions and considers whether or not Nova
Scotia is able to adequately address water issues as they relate to the possibility of hydraulic fracturing
in the Province. Other potential environmental impacts of hydraulic fracturing and issues relating to land
rights or ownership of the resource, among other topics, will be covered in other discussion papers and
the final report. To see a full list of other topics being considered in chapters of the final report, and to
view the tentative release schedule for discussion papers, please visit the project document page on the
hydraulic fracturing review website.
How to Provide Feedback on this Paper
We now invite feedback on this discussion paper – for example if there are any aspects that are not
clear or which require further explanation. Please email your feedback to hfreview@cbu.ca with
‘Water’ in the subject line using the feedback form available on the website3
. We request that you do
not make comments directly in the PDF document and prefer to receive feedback using the form
provided, in an email or word attachment, or alternatively please write to HF Review, Verschuren Centre
for Sustainability in Energy and the Environment, Cape Breton University, P.O. Box 5300, 1250 Grand
Lake Road, Sydney, Nova Scotia, B1P 6L2. Feedback on this chapter can be received at any time until
June 20th
, 2014. All feedback received will be taken into account in the final version of the document.
Thank you
Dr David Wheeler, President of Cape Breton University, on Behalf of the Expert Panel, June 3rd
, 2014
1
See the Verschuren Centre (Cape Breton University) website http://www.cbu.ca/hfstudy for full details of the
study and all project documentation.
2
Available from http://www.cbu.ca/hfstudy
3
The discussion paper feedback form is available here: http://www.cbu.ca/hfstudy/resources/project-documents
3. Contents
List of Figures ............................................................................................................................................ ii
1. Introduction - Current Status of Water in Nova Scotia.....................................................................1
1.1. Regulatory Framework and Water Use.....................................................................................1
1.1. Drinking Water Quality .............................................................................................................4
2. What are the Concerns with Water and Unconventional Shale Oil and Gas Development.............9
2.1. Water Quantity .........................................................................................................................9
2.2. Water Quality............................................................................................................................9
3. How are water issues addressed in other jurisdictions? ................................................................12
4. How are water issues addressed currently in Nova Scotia.............................................................15
5. Can these issues be adequately managed in a Nova Scotia context? ............................................19
6. Summary.........................................................................................................................................21
References ..............................................................................................................................................22
Glossary...................................................................................................................................................26
4. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia ii
List of Figures
Figure 1: Water use in Nova Scotia by sector...............................................................................................2
Figure 2: Surface water withdrawals from watersheds................................................................................3
Figure 3: Groundwater withdrawals by watershed......................................................................................4
Figure 4: Groundwater regions of Nova Scotia.............................................................................................6
Figure 5: Areas where naturally occurring uranium may be found in groundwater....................................7
Figure 6: Areas where naturally occurring arsenic may be found in groundwater......................................8
5. 1. Introduction - Current Status of Water in Nova Scotia
1.1. Regulatory Framework and Water Use
In Nova Scotia (NS), the Environmental Goals and Sustainable Prosperity Act (EGSPA) recognizes
the importance of integrating environmental sustainability and economic prosperity. One of
the principles of the act states that “the health of the economy, the health of the environment
and the health of the people of the Province are interconnected” (EGSPA, 2007). Within this
Act, water quality was highlighted for drinking water safety, safe wastewater disposal and to
create a comprehensive water resources strategy.
In December 2010, NS Environment prepared “Water for Life: Nova Scotia’s Water Resource
Management Strategy”. Development of a water resources strategy was a goal identified
through EGSPA and the Water for Life Strategy outlines the integral role that water has on our
health, our ecosystems and our economy in Nova Scotia. Commonly used definitions for water
(e.g., watershed) were described in the Water for Life Strategy and are presented in the end of
this report in a glossary to help the reader with this report.
Three themes from the strategy identify short-term actions and long-term directions. The three
are:
a) Understand the Quality and Quantity of Our Water;
b) Protect the Quality and Quantity of Our Water; and
c) Engage in Caring for Our Water. (NS Environment, 2010)
As noted in an Environment Canada (2009) report (Figure 1) and the Water for Life Strategy,
approximately two thirds of water consumption is for residential purposes. To provide context,
the Halifax Water Annual Report provides a thorough analysis of drinking water, wastewater
and stormwater flow rates on an annual and daily basis for the Halifax Regional Municipality.
For example, the average daily consumption for drinking water for metro Halifax (Halifax,
Dartmouth, Bedford, Sackville) in the 2012 fiscal year was 135.6 million litres per day (or
135,600 cubic meters per day), on an approximate population size of 355,000. The magnitude
of Metro Halifax daily thirst is a useful metric to understand the rate at which approximately
50% of Nova Scotians use water (Halifax Water, 2013).
6. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 2
Figure 1: Water use in Nova Scotia by sector
(Adapted from Environment Canada, 2009)
The Environment Canada (2009) report highlights leaks or unaccounted for uses as the next
largest consumer of water in Nova Scotia, utilizing approximately one fifth of the water
consumption. Generally speaking, leaks and unaccounted uses fall under residential use, based
on water utility practices for municipal sources.
Water resources in Nova Scotia support many other industries including: agriculture, pulp and
paper, manufacturing, energy production, mining, aquaculture, fish processing, tourism and
recreation (NS Environment and Labour, 2008). Thus any new industrial activity, such as
onshore Petroleum Resource Development of oil and gas, including the use of hydraulic
fracturing to extract unconventional resources, would need to fit within the context of available
water and EGSPA.
The Nova Scotia Watershed Assessment Program was a result of the Water for Life Strategy, as
part of the theme “Understanding Our Water”, led by Dr. Shannon Sterling of Dalhousie
University. Water withdrawals from surface water and groundwater in Nova Scotia were
characterized. Figure 2 indicates that most of the surface water withdrawal occurs in areas
where there is significant residential usage (e.g., metro Halifax, CBRM); agricultural activity
(e.g., Annapolis Valley) or both (e.g., Truro). For other areas of the province, surface water
withdrawals are much lower. Similarly groundwater usage is low, except in areas of significant
agricultural intensity or residential use (Figure 3) (Sterling et al., 2014).
58.20%
15.10%
7.20%
19.50% Residential
Commercia/Institutional
Industrial/ Agricultural
Leaks/ Unaccounted
For Use
7. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 3
Figure 2: Surface water withdrawals from watersheds
(Sterling et al., 2014)
The Nova Scotia Watershed Assessment Program also resulted in a comprehensive inventory
entitled the “Nova Scotia Watershed Assessment Atlas” (NS Environment & Dalhousie
University, 2014), which details the present threats to water quality and aquatic life in the 46
primary watersheds and 295 secondary watersheds in the province. Through this analysis it is
evident that human land use and acid rock drainage is the predominant threat to water quality
for the regions identified in the watershed atlas.
Overall, this analysis demonstrates that
a) The NS Environmental Goals and Sustainable Prosperity Act (EGSPA), along with the
Water for Life program, recognizes the specific value water has on public health, the
environment and the economy; however, these documents have not specifically
accommodated for onshore petroleum activities;
8. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 4
b) Most of the water in the province is used for residential purposes with leaks or
unaccounted for uses being the next highest user of water;
c) The majority of threats arise from land use activities.
Figure 3: Groundwater withdrawals by watershed
(Sterling et al., 2014)
1.1. Drinking Water Quality
There are 82 municipal water supplies in the province (NS Environment, 2014b), supplying
drinking water to approximately 60% of the province’s population. The majority of municipal
supplies obtain water from surface water systems (e.g., lakes, rivers) and their treatment
performance is required to meet standards set out by the province. The NS Auditor General
found that municipal audits were generally conducted within the planned 3-year timeframe
9. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 5
(Office of the Auditor General Nova Scotia, 2014). As well, the NS Auditor General also found
that municipal systems are generally meeting NS treatment standards.
The remaining 40% of the province’s population are either on a private water supply (e.g.,
individual home) or registered water supply. The Auditor General found that the greatest
vulnerabilities were for the 1600 registered water supply systems. A registered water supply is
defined as a system that provides drinking water to at least 15 service connections or serves 25
or more individuals per day for at least 60 days of the year. Some of the registered systems are
for permanent residents (e.g., mobile home communities) and some are more transient (e.g.,
food establishment) populations. The vast majority of registered systems rely on groundwater
for their drinking water source (Office of the Auditor General Nova Scotia, 2014). As compliance
is generally being achieved in the surface water municipal systems, groundwater quality will be
the focus of this report.
Groundwater is typically contained within a layer of bedrock that is permeable, or in loose soil
and rock above a layer of impermeable bedrock (NS Environment, 2014b). A layer that holds
and conveys groundwater is referred to as an aquifer (Oxford Dictionaries, 2014). Precipitation
(falling rain and snow) and groundwater levels typically sustain lakes, rivers, and springs (NS
Environment, 2014d). Approximately 90% of wells in Nova Scotia are drilled into deep-water
aquifers while the remaining wells are dug (J. Drage, personal communication). Dug wells are
shallow, typically 3 to 9 meters deep, and 1 meter in diameter. Deep-water aquifer wells
typically extend far deeper, through rock where the water is confined under pressure (New
Brunswick Department of Environment, n.d.). Groundwater wells supply individual private
homes, public water supplies, and other uses including agriculture, industry, and institutions
such as rural schools, day cares, nursing homes, and businesses such as restaurants and
campgrounds (NS Environment, 2014b).
Forty groundwater monitoring stations have been established around the province to track
groundwater quantity and quality, and are managed by the Nova Scotia Department of Natural
Resources (DNR). Data analysis is conducted to prepare regional maps and publications that
describe the quality, availability and vulnerability of groundwater. In addition, DNR collects data
about aquifer properties, groundwater chemistry, recharge rates, flow patterns, and
groundwater quality. DNR classifies Nova Scotia groundwater into five major bedrock aquifer
groupings and these are displayed in Figure 4 (NS Environment & DNR, 2009).
The naturally occurring chemical composition of the groundwater of any given area depends on
the local geology (NS Environment & DNR, 2009). Within areas of sedimentary or
carbonate/evaporite deposits, wells typically generate groundwater with moderate to high
hardness and dissolved solids. Trace metals (e.g. arsenic, iron, manganese, uranium, fluoride)
may be present in groundwater in all regions, although they are more likely to occur in
metamorphic formations. Methane is a naturally occurring component of groundwater, with
approximately fifteen percent (15%) of wells in sedimentary or carbonate/evaporite deposits
containing methane (J. Drage, personal communication). Results from a methane survey by
10. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 6
Dyck et al. (1976) in the on-shore sedimentary basin areas of Nova Scotia indicate that
dissolved methane was detected in approximately 15% of water wells. The highest methane
concentration reported was 9.2 mg/L (Dyck et al., 1976). The U.S. Department of the Interior,
Office of Surface Mining (Eltschlager, Hawkins, Ehler, & Baldassare, 2001) recommends the
following action levels for dissolved methane:
Less than 10 mg/L—no action required, other than periodic monitoring;
10 mg/L to 28 mg/L—well owners should consider removing potential ignition sources
from the immediate area; and
Greater than 28 mg/L—take immediate action to reduce methane levels.
Figure 4: Groundwater regions of Nova Scotia
(NS Environment & NS Department of Natural Resources, 2009). * Amended: Quaternary (permeable
sand and gravel sediments deposited during & after glaciation) removed
11. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 7
Water quality in the province is also subject to many issues including contamination with
uranium (Figure 5), antimony, arsenic (Figure 6), boron, chloride, copper, fluoride, hydrogen
sulphide, iron, manganese, magnesium, nitrate, nitrite, and other bacterial contaminants (NS
Environment, 2014d). Many of these contaminants are either a result of natural occurring
conditions or are brought on through man-made activities. While it is too difficult to review the
occurrence of all of the possible contaminants in groundwater, arsenic can be used as a case
study contaminant that has occurred due to natural and man-made conditions.
(NS Environment, 2014a)
Arsenic contamination in Nova Scotia was first discovered in 1976, when an ill patient exhibited
symptoms of arsenic poisoning and an analysis of the patient’s private well revealed an arsenic
concentration of 5000 µg As/L (Meranger & Subramanian, 1984). In Atlantic Canada, the
arsenic contamination is mainly attributed to natural contamination due to bedrock formations
and partly attributed to anthropogenic contamination due to poor disposal of mine tailings
(Grantham and Jones, 1977). In a hydrologic study of the region, Bottomley (1984) attributed
arsenic contamination of groundwater in New Brunswick and Nova Scotia to oxidation that
occurs when new groundwater wells are drilled, causing arsenic releases from the bedrock. In
areas with a history of gold mining, arsenopyrite-containing residual tailings and waste rock
were reused on roads, left in piles, and even used to line water wells, causing eventual arsenic
contamination of groundwater (Bottomley, 1984).
Figure 5: Areas where naturally occurring uranium may be found in groundwater
12. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 8
Since these older studies have been completed, drinking water quality criteria for arsenic in
Nova Scotia have been reduced from 50-ug/L to 10-ug/L (Gibbons & Gagnon, 2010). As well, NS
Department of Environment developed fact sheets and treatment guidelines to help home
owners remedy arsenic in their groundwater supplies. Further, most site inspections on new
properties are required to have testing for arsenic in Nova Scotia. While the occurrence of
naturally occurring arsenic is still as likely as it was over 40-years ago, the province and other
stakeholders have developed mitigative strategies to reduce exposure of Nova Scotians to
arsenic (NS Environment and Labour, 2004a).
(NS Environment, 2014a)
Figure 6: Areas where naturally occurring arsenic may be found in groundwater
13. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 9
2. What are the Concerns with Water and Unconventional Shale Oil and Gas
Development
There are numerous environmental considerations regarding hydraulic fracturing, as there are
with most industrial processes. Implications for water quantity and quality are frequently raised
concerns regarding hydraulic fracturing in Nova Scotia.
2.1. Water Quantity
Unconventional oil and gas extraction requires water during the full-cycle of operation. Water
in hydraulic fracturing is typically withdrawn from surface bodies, such as lakes and rivers, or
from aquifers via deep-water wells. Where withdrawals are made from aquifers, it is possible
that the aquifer could be overdrawn and create drawdown in localized areas of the water. If
this were to occur near the coast, salt water from the ocean may intrude into the aquifer.
Intrusion may also occur if non-potable water is drawn in from hydraulically connected aquifers
As reported by the Council of Canadian Academies (2014), the total amount of water needed
for shale gas development is generally small in the Canadian hydrological context (i.e., relative
to annual, total surface water flows). It was recognized in that report that hydraulic fracturing
requires large volumes of water over short periods of time (weeks to months). Within the
context of Atlantic Canada, the Council of Canadian Academies (2014) reported that the
average volume of water used per shale gas well varied from 2,000-20,000 cubic meters in New
Brunswick and 5,900-6,800 cubic meters in Nova Scotia. As noted earlier, Halifax Water
provides over 130,000 cubic meters of drinking water to metro Halifax each day. Al, Leblanc, &
Phillips (2013) place water use into perspective for New Brunswick as follows: to supply water
on a year-round basis for the drilling and hydraulic fracturing of 1,000 wells would require a
water supply capable of providing a continuous flow of about 0.6 to 2 [cubic metres] per
second, which is small compared to the average summer low flow in a large river like the Saint
John River at Fredericton (about 400 [cubic metres] per second).
Given this analysis, and the water use information provided earlier, at a provincial level, there
appears to be sufficient capacity for Nova Scotia to maintain its current water use; however,
there are specific areas of the province that may face demand issues due to extensive
agricultural operations and limited surface water sources. Furthermore, water use for hydraulic
fracturing would likely not lead to issues of water demand for the majority of the province.
Finally, as noted previously, water withdrawals for shale gas, or any other industrial activity,
would require approval from NS Environment and be subject to public scrutiny.
2.2. Water Quality
In Nova Scotia, drinking water aquifers are usually 150 m below the surface (J. Drage, personal
communication). The Horton formation, one bedrock formation within the sedimentary
grouping where the hydraulic fracturing could occur, is between 900 and 1,500 m below the
surface (Ryder Scott, 2008).
14. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 10
Due to the compressing pressure of the weight of the soil and rock (or lithostatic pressure) that
exists at the depth of these geological formations (such as the Horton formation), the fractures
generated by hydraulic fracturing typically extend approximately 100 m vertically and
approximately 200 – 300 m laterally (King, La Vergne Bryan, & Clark, 2012). Therefore, the
fractures could be hundreds of metres away from the underside of the aquifer. Due to the
distance between the targeted formation and the aquifer, it is anticipated that fractures would
not extend from the shale to the aquifer, and thus direct contamination from hydraulic
fracturing fluids would appear unlikely. Insufficient evidence exists that links hydraulic
fracturing at depths greater than 300 m to aquifer contamination; however, shallow hydraulic
fracturing operations do present a significant risk to drinking water aquifers (Osborn, Vengosh,
Warner, & Jackson, 2011). Furthermore, the greatest risk of gas or fluid migrating out of the
production zone along existing faults and fractures occurs either during hydraulic fracturing
when new flow paths are being opened and the formation is at the highest pressure it will
experience, or if a well is shut-in (indefinitely closed) immediately after fracturing, allowing
pressures to increase. Once gas production begins, pressure drops, and gas and fracturing fluids
tend to migrate towards the wellbore rather than to the surface by some undefined pathway
(Council of Canadian Academies, 2014).
Based on this information, it is recognized that the risk to water quality from shale gas
operations is more related to operational practices (e.g., chemical handling; waste
management) rather than the fracturing and extraction process. The Council of Canadian
Academies (2014) reported that the risks that shale gas infrastructure and related operations
pose to surface water and groundwater stem from:
• accidental spills of chemicals, oils, drilling muds, and fracture fluids during
transportation, storage, or use;
• spills of condensates (where these are present) or flowback water from the
producing well; and
• inadequate storage, treatment, or disposal of flowback water, which includes both
fracturing fluids and saline formation water, and leaks from surface storage ponds or
other storage facilities,
In addition, improper well construction which allows hydraulic connection of the drilling aquifer
and the shallower drinking water aquifer that drilling operations pass through is important
consideration. For greater information on well construction the reader is encouraged to review
the chapter entitled “Can well bore integrity be assured and, if so, how?” of this report.
Accordingly, many regulators have required hydraulic fracturing companies to register
chemicals and provide transparency to chemicals that may be used during operations. For
example, FracFocus.org provides public access to lists of chemicals used during hydraulic
fracturing. Ten U.S. states (i.e., Colorado, Oklahoma, Louisiana, Texas, North Dakota, Montana,
15. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 11
Mississippi, Utah, Ohio and Pennsylvania) use Fracfocus as a means of official chemical
disclosure for hydraulic fracturing. The web page FracFoucs.ca is a project of the BC Oil & Gas
Commission and is intended to provide similar information for the BC industry.
If handled incorrectly, many of the chemicals utilized in the shale gas industry could
contaminate water supplies. However this statement is consistent with many industrial
processes that occur in Atlantic Canada. For example, sodium hydroxide (or caustic soda) is a
chemical used in the shale gas industry (www.fracfocus.org) as an agent to adjust the pH of a
fluid. Caustic soda is also used to process drinking water in some facilities in Nova Scotia as it is
highly effective at adjusting pH and poses minimal health risks. In the case of the drinking water
facilities, regulations and inspections are required by government to ensure that this chemical
is safely applied and handled. Therefore, under the assumption of a strong regulatory
framework, it would be anticipated that chemical agents could be safely managed and applied
for hydraulic fracturing.
The Council of Canadian Academies, 2014 noted:
Of the wide range of views on the actual and potential impacts of shale gas
development on groundwater quality, a common statement in the non-peer reviewed
literature is that no impacts have been proven or verified. For example, the American
Water Works Association’s White Paper on Water and Hydraulic Fracturing states: “At
this time, AWWA is aware of no proven cases of groundwater contamination directly
attributable to hydraulic fracturing” (AWWA, 2013)
(p. 66)
The above statement should not be misinterpreted as declaring hydraulic fracturing a risk-free
process. Indeed there are risks to water quality from this industrial activity (as noted
previously). Risk management plans need to consider the safety of the industrial process itself
and the development of water safety plans for the protection of neighbouring groundwater and
surface water systems. The latter water safety plans would ensure that chemicals used by the
industry are publicly declared and appropriate monitoring programs and risk mitigation
programs are designed and available for public scrutiny. This approach would provide
transparency and consistency as exists in other industries and processes such as drinking water
treatment practices.
16. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 12
3. How are water issues addressed in other jurisdictions?
A Jurisdictional Review of Hydraulic Fracturing Regulation did not make recommendations, but
instead provided the context of how hydraulic fracturing is being regulated in other regions
(Precht & Dempster, 2012). The jurisdictions reviewed include Alberta, British Columbia, New
Brunswick, Saskatchewan, New York, Ohio, Pennsylvania, Texas, and Wyoming. The topics
covered by this report include: well casing & cementing; protecting water; water allocation;
disclosure of flowback contents; flowback fluid handling & management; older wells &
communication; and public concerns.
Well infrastructure integrity was considered important across all jurisdictions, and as such
surface casings and requirements for subsurface casings were compulsory in all locations. There
were many similarities across the jurisdictions; however, discrepancies include:
Land use setbacks. The setback differences from a drill operation conducting
hydraulic fracturing to numerous objects, such as occupied dwellings, water
bodies, drinking wells, and property lines are highly variable. In some jurisdictions,
such as Pennsylvania and New York, only a 30 metre setback is required to an
occupied dwelling without the owner’s consent.
Assessment of well integrity. Techniques used to ensure wall casing and cement
integrity included: cement quality/strength standards; daily drilling logs;
inspections; engineering certifications; and emissions testing.
Permission to have on-site holding ponds. Some jurisdictions permit only holding
fresh water, prior to use in the fracturing fluids mixing and injection. In other
locations where ponds are permitted for flowback fluid temporary storage, there
is variation in the design requirements for the construction of the pond. For
example, legislation or best management practices could mandate the use of clay
or other low-permeability construction materials; the use of a geo-membrane or
other lining; and the requirement of a cover.
Water withdrawal permits. Several jurisdictions require a permit for any
withdrawal from a surface or ground water source, while others trigger the need
for a permit based on various total quantities to be removed or the rate at which
the water would be withdrawn. There is a great deal of variation with regards to
required baseline testing of both water withdrawal sources and surface and
groundwater bodies proximal to the proposed drill site. In many locations this is
deemed voluntary, or would be decided on a case-by-case basis. Additionally,
17. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 13
only one jurisdiction requires post-completion monitoring at 3-month, 6-month,
and 12-month intervals.
Financial bonding and insurance. Most of the interviewed jurisdictions require
companies to put up a financial bond in the case of accidents, prior to drilling.
Where required, the typical amount was $25,000 per well, which may be capped
at $75,000 if the company operates multiple wells within the same formation or
within a proximal distance. Dutzik, Davis, Van Heeke, & Rumpler (2013) document
costs of $700,000 or more to plug abandoned wells. The requirement of liability
insurance is not consistent, nor is the required value of that insurance.
Disclosure of fracturing fluid composition. Most jurisdictions require full disclosure
to regulators of the chemicals and their concentrations within fracturing fluid
formulas, as well as the sample testing results of their flowback fluids. In most
jurisdictions, this information would be held in confidence for a period of 6
months, which could be extended to a period of two years. If the formulas were
deemed a trade secret, it may never be released to the public. New Brunswick,
where policy was to ship the contents of fracturing fluid to Nova Scotia or Quebec
for treatment, did not require full disclosure of the contents of fracturing fluids. In
many jurisdictions, the flowback fluids are not treated; they are re-used in
multiple operations, and when drilling is completed they are injected into
designated deep injection wells. In the few jurisdictions where deep-well injection
is not the common practice for disposing of flowback fluids, most simply state that
the flowback fluids have to be treated to meet the “quality of the natural
environment”.
This jurisdictional review identifies topics that policy makers must address, should hydraulic
fracturing become a permitted activity in Nova Scotia.
A more in-depth review of regulation in Alberta and British Columbia reveals interesting
directives regarding hydraulic fracturing pertaining to water.
The Alberta Energy Regulator (AER, 2014) lists Directives that include:
Specific well casing requirements (Directives 008 & 009) that prescribe a surface
casing depth calculation form, specific reporting requirements, and minimum
casing cementing requirements (Conductor pipes, and surface, production,
intermediate and liner casings);
18. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 14
Surveillance, sampling and analysis of water (Directive 044) that includes the
method of collection and the specific items for which each sample must be
analyzed; and
Drilling waste management (Directive 050) that sets the sampling requirements,
assessment, and toxicity requirements of waste samples, handling of cement
returns, subsurface disposal, and requirements to send water to an approved
waste management facility.
AER is currently developing their Unconventional Regulatory Framework, which
mandates that operators must develop play-based (regional) approaches to water
usage in unconventional plays. All potential sources of water – surface, shallow
non-saline, and deep saline – must be considered in developing a water usage plan
to support unconventional development activities.
Regulators in both British Columbia and Alberta are participating in regional
studies, along with industry groups, to characterize potential water sources and
deep disposal zones in major unconventional play basins. Such studies provide
background knowledge to support the play-based approach described above.
Alberta’s Water Act (2000) requires that Alberta Environment issue a licence for all water
diversions, including withdrawals and storage.
The British Columbia Oil and Gas Commission (2012) lists:
Specific applications for water licensing, and the authority to suspend short-term water
use by the oil and gas industry during drought conditions;
Setbacks to maintain distance between water wells and drilling operations;
Requirements for casings and cementing of casings, as well as casing integrity testing;
and
Requirements that produced water be disposed of in deep injection wells or temporarily
stored (both subject to strict regulations).
In conclusion, this regulatory overview, while not exhaustive, demonstrates the types of
regulatory tools and instruments that have been adopted in other jurisdictions to protect water
quality. Clearly, the need for a strong, transparent and balanced governance system is required
for energy development and for the protection of both water quality and quantity.
19. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 15
4. How are water issues addressed currently in Nova Scotia
NS Environment (NSE) is the lead agency for water resource management, including: drinking
water, groundwater, surface water, and wastewater. Permission to utilize and dispose of water
in Nova Scotia is governed through the NS Environment Act. In particular, Section 107 in the NS
Environment Act states the following:
Notwithstanding any enactment, or any grant, deed or transfer made on or before May
16, 1919, whether by Her Majesty or otherwise, or any possession, occupation, use or
obstruction of any watercourse, or any use of any water by any person for any time
whatever, but subject to subsection 3(2) of the Water Act, every watercourse and the
sole and exclusive right to use, divert and appropriate any and all water at any time in any
watercourse is vested forever in Her Majesty in right of the Province and is deemed
conclusively to have been so vested since May 16, 1919…
This statement recognizes the significance of water in the province and that water resources on
non-First Nations lands are a vested responsibility of the province.
Under the Activities Designation Regulations, Section 66 of the Environment Act, any water
withdrawals greater than 23,000 L per day must be approved by NSE. It is the goal of NSE to
“ensure that water resources are developed in a sustainable manner…that can be maintained
indefinitely without causing unacceptable environmental, economic, or social consequences”
(NS Environment Act, 1994-1995). Both surface and groundwater withdrawal applications must
identify potential environmental, economic, and social impacts. All withdrawal approvals are
guided by the following principles:
1. Withdrawals must be sustainable without causing environmental, economic, or
social harm
2. New withdrawals must not cause significant adverse effects on the environment or
existing water users
3. Allocations are based on a “first-come, first-served basis” with priority for drinking
water applications
4. Allocations are based on the applicant’s current withdrawal needs, and the applicant
cannot typically save or store water for use after the approval has expired (approvals
last a maximum of 10 years)
Surface water approval applications require an in-depth description of the surface water supply
source that includes a water quantity assessment, sustainable yield (including timing of
withdrawal), potential effects, and must meet all requirements of the Fisheries Act to protect
fish habitat and fish passage. For groundwater withdrawal approvals, the proponent must
complete a hydrogeological study to determine all potential effects on the environment and
20. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 16
other well users, including: sustainable yield of the aquifer, well interference effects, water
quality effects, the potential for sea water intrusion, and groundwater-surface water
interaction. Both applications must also contain a long-term monitoring plan and contingency
plan to detect and mitigate unexpected adverse effects. NS Environment additionally
recommends that if water withdrawal may be the focus of public concern, that public
consultation be conducted prior to the water withdrawal approval, otherwise the Minister or
Administrator may require a consultative process before approval is given (NS Environment and
Labour, 2004). Consistent with the Activities Designation Regulations, the water requirements
for hydraulic fracturing would require proponents to provide a comprehensive groundwater
and/or surface water technical analysis and would also be required to provide public
consultation prior to water withdrawal.
Water contamination from pollution is a concern. For municipal water, all municipal drinking
supplies must have a source water protection area that is approved by NS Environment. In
many cases the protection of groundwater aquifers is achieved through the establishment of
wellhead protection areas (WHPAs). WHPAs outline the areas that contribute to the well or well
field and are used to identify and manage potential sources of contamination. The WHPA is
broken up into smaller zones that are based on the amount of time it takes groundwater to
migrate to the well; thus zones closer to the well have less travel time and require more
protection. Residents who receive their water from a private well are encouraged to have their
water regularly tested and use the best practices for well construction outlined on the NSE
website (NS Environment, 2014c).
Disposal of wastewater from hydraulically fractured wells is still an uncertainty in Nova Scotia.
For many reasons, industry prefers to dispose of wastewater using deep well injection (King,
2012); however, no approvals have been given for this practice because it is against the
environmental best management practices for formation water from coal bed methane
exploration and production activities established by NSE, in addition to concerns regarding
unsuitable geology in the region (NS Environment, 2008).
There are very few regulations that pertain directly to wastewater produced by onshore oil and
gas operations. Environmental protection is offered under the Environment Act section 67: “No
person shall knowingly release or permit the release into the environment of a substance in an
amount concentration or level or at a rate of release that causes or may cause an adverse
effect, unless authorized by an approval or the regulations” and “No person shall release or
merit the release into the environment of a substance in an amount concentration or level or at
a rate of release that causes or may cause an adverse effect unless authorized by an approval or
the regulations.” In addition, Section 69 requires that anyone who releases the substance, owns
or controls the substance, must report it to the Department of Environment as well as anyone
who might be effected by the release as soon as possible. Protection is also offered by the
Fisheries Act, which protects waters where commercial, recreational, or Aboriginal fisheries
exist by making it an offence under Section 36(3) to “deposit or permit the deposit of a
21. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 17
deleterious substance of any type in water frequented by fish or in any place under any
conditions where the deleterious substance or any other deleterious substance that results
from the deposit of the deleterious substance may enter any such water.”
Treating flowback water for release into surface water can be more challenging than
wastewater treatment for other industrial practices due to many factors, including: the salinity,
chemical composition, radioactivity, and ecosystem sensitivity (Council of Canadian Academies,
2014). The salinity of the flowback means that it cannot be treated in municipal wastewater
treatment plants because of the deleterious effects on microbes used during the process.
NORMs may also be sorbed by the sludge or flow through the plant and discharged into surface
water (Council of Canadian Academies, 2014). Atlantic Industrial Services (AIS), a waste
management company in the province, reports that it is able to treat the wastewater from the
fracturing process up to the standards of NSE, Health Canada, and the Canadian Council of
Ministers of the Environment standards for release into a water body. NSE states that this claim
was confirmed through testing conducted by independent and accredited labs in Canada and
the United States (NS Environment, 2014e); however, Colchester County has denied the
application of AIS to discharge the treated wastewater into the municipal system over concerns
of inadequate treatment and potential for unknown long-term effects (CBC News, 2013). The
province is currently involved in a pilot project where a cement-making company, Lafarge, will
use the wastewater as a coolant in their kiln and evaporate it at 700°C. The equipment used will
then be tested for residual inorganic material to determine if this practice is suitable for
flowback disposal (Government of Nova Scotia, 2014). Research in the United States has
recently been exploring technologies using reverse osmosis, thermal distillation and
crystallization (Gregory et al., 2011). Overall, very little research has been conducted regarding
wastewater treatment for discharge into surface water; however, the US EPA is in the process
of creating discharge standards expected to be released later this year (National Energy Board
and Canada-Nova Scotia Offshore Petroleum Board, 2010).
In addition to technological options, the EGSPA in Nova Scotia states one of its principles as
“environmentally sustainable economic development that recognizes the economic value of the
Province's environmental assets is essential to the long-term prosperity of the Province”
(EGSPA, 2007).
Consistent with this EGSPA principle, Nova Scotia established the Clean Technology Fund, which
was developed to support “the development, demonstration, commercialization, and
implementation of innovative clean technologies”. The province has defined Clean Technology
as “a diverse range of products, services and processes, all intended to provide superior
performance at lower costs, while greatly reducing or eliminating negative ecological impact, at
the same time as improving the productive and responsible use of natural resources”
(Innovacorp 2014).
Thus, the province of Nova Scotia has several regulatory instruments in relation to water
resources that could support an onshore petroleum resource sector. In its broadest sense the
22. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 18
Environment Act is an Act that could be complemented with specific regulations for
enforcement and compliance of onshore petroleum resource sector. Further, as per the
Activities Designation Regulations, the water requirements for hydraulic fracturing would
require proponents to provide a comprehensive groundwater and/or surface water technical
analysis and would also be required to provide public consultation prior to water withdrawal.
Finally the Clean Technology Fund through EGSPA is designed to support Nova Scotia
companies to develop innovative ideas to protect the environment and develop broader
economic activity. However it is recognized that these legislative documents offer starting
points for regulatory development.
23. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 19
5. Can these issues be adequately managed in a Nova Scotia context?
Many of the issues raised by concerned citizens can be managed in the province. Some of these
issues may be covered under current regulations and operations of the government; however,
some may need the implementation of new rules, regulations, and standards. Other issues still
require further research and modelling to determine the best course of action.
Provided that intensive modelling and cumulative effects assessments are completed as
designated in the withdrawal application process, current regulations regarding water
withdrawal are adequate. Independent monitoring throughout the withdrawal process should
also be established to ensure compliance with the conditions set out in the withdrawal
approval. NS Environment should pay particular attention to the source of the withdrawal and
timing, as withdrawals from small sources and during low flows could be problematic. Further
research is needed to determine how (or if) wastewater produced by hydraulic fracturing can
be safely returned (without long-term effects) to the watershed from which it was removed to
help maintain a balanced water budget. Hydrologic analyses and modelling should also consider
that not all of the water used for the fracturing returns to the surface, effectively removing it
from the water cycle.
Disposal of wastewater from unconventional gas operations is currently being investigated at
institutions across North America. In British Columbia’s Horn River Basin, Encana and Apache
have developed a proprietary system that uses non-potable water from a saline underground
aquifer to complete the hydraulic fracturing, treats the water to its original condition, and
injects the water back into the same aquifer. It is unclear if the geology of Nova Scotia could
support such a system, but this should be investigated and considered as a potential option for
water withdrawal and disposal.
Some insight to the management of wastewater can be gained by looking at the offshore oil
and gas industry. According to the Offshore Petroleum Board and National Energy Board (2010)
best practices report, wastewater produced from offshore oil and gas operations should be
described chemically and in some cases include regular toxicity testing or modeling studies that
are reported to the Canada-Nova Scotia Offshore Petroleum Board annually. Wastewater (or
produced water) from offshore petroleum platforms may be treated on site and discharged to
sea, while fluids that contain highly aromatic oils must be recycled or transferred to shore for
treatment. Operators are encouraged to compete with local performance standards of
wastewater discharge, for those set as international benchmarks. These activities could be
made mandatory for onshore oil and gas operations with parameters set to include known
24. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 20
contaminants, however these concepts would require further exploration by NS Environment
to determine their suitability for hydraulic fracturing developments.
If hydraulic fracturing proceeds in the province, thorough baseline conditions of current water
levels, flow, and quality must be established, before any withdrawals are approved.
Additionally, hydrogeologic modelling of the watershed needs to be conducted to determine
the response to the withdrawals. Baseline assessment would include taking samples at different
times of the year and under variable weather conditions, as the concentrations of contaminants
(including naturally occurring methane) vary throughout the year. Thorough monitoring using
the performance, sentry, and receptor approach outlined in the Council of Canadian Academies
report, should be adhered to and carried out by third parties (2014). Residents must also play a
monitoring role by having their water regularly tested, beginning before any production
activity, which should already be a best practice. It would be important for government to
provide tools to ensure that this process is managed correctly. This will ensure that residents
are aware of what is already present in their drinking water supply and also provide evidence of
any contamination from industrial practices. In addition, industries and government should
work with private well owners to establish water safety plans for wellhead protection areas and
proactively protect groundwater wells. Water safety plans are broadly accepted procedures
that have been originally developed by the World Health Organization and have been applied
as regulatory documents in some jurisdictions (e.g., the province of Alberta). It is conceivable
that a water safety plan approach could be used as a groundwater protection step.
25. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 21
6. Summary
Both quality and quantity of water are of great public concern and the government has an
obligation to ensure water safety is upheld, regardless of the decision made regarding hydraulic
fracturing.
In the case that development of hydraulic fracturing is pursued, the following items will need to
be addressed through a robust, responsive and transparent regulatory environment, and must
be consistent with the Nova Scotia Environment Act:
Transparency and understanding of operations and processing chemicals used, and
identification of any potential adverse impacts on water quality (both ground and
surface water) due to operations;
Detailed analysis of water demands prior to and during operations on a case-by-case
basis; and
Transparency and upfront detailing of procedures and requirements for wastewater
disposal and/or treatment.
26. Hydraulic Fracturing Independent Review and Public Consultation in Nova Scotia 22
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Glossary
For consistency purposes, the following terms were taken from the Water for Life: Nova
Scotia’s Water Resource Management Strategy (2010)
Water resources, according to Nova Scotia’s Environment Act, includes all fresh and marine
waters that comprise all surface water, groundwater, and coastal water.
Water cycle is the circulation of water from the atmosphere to the earth, and back into the
atmosphere. Water falls as precipitation, seeps into aquifers as groundwater, or runs into
rivers, lakes, and eventually the ocean as surface water. Along the way, the water evaporates
back into the atmosphere and the cycle continues.
Groundwater is water found below the ground surface. It is stored underground in
the pore spaces and fractures of soil and rock. Groundwater is the source of water for wells and
springs and helps to sustain water flow in surface water bodies. It is a valuable resource
because it supplies many Nova Scotian residents and businesses with their water supply and
contributes to the health of our aquatic ecosystems.
Aquifer is an underground geologic formation made of soil or rock that can yield significant
quantities of water to wells. Aquifers should not be thought of as underground rivers or lakes. A
more realistic image is a firm sponge made of soil or rock in which groundwater moves very
slowly through a connected network of pores or fractures.
Watershed is the area of land from which surface water drains into a common lake or river
system or directly into the ocean. The flow is generally inwards and downwards, according to
the topography of the surrounding landscape. The boundaries of a watershed area are known
as a drainage divide. Precipitation falling on opposite sides of a divide falls into different
watersheds.