WRD - The Importance of Groundwater in Southern Los Angeles County
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Groundwater provides 40% of the total water demand for over 4 million people in an area of 420 square miles in Southern Los Angeles County. The Water Replenishment District of Southern California manages two major groundwater basins and works to replenish groundwater supplies through spreading grounds, monitor water quality and levels, and implement conservation programs to protect this critical local water source. Historical overdraft in the 1900s-1950s caused water levels to plunge and wells to go dry, demonstrating the importance of the District's active basin management.
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This document discusses salinity prevention and sea water intrusion. It begins by introducing the topic and defining salinity and sea water intrusion. The main causes of sea water intrusion are then explained as heavy groundwater extraction, canals and drainage networks, and the higher density of seawater compared to freshwater. Effects of salinity include negative impacts on agriculture, water quality, ecology, and human health. Preventive measures discussed include barriers, recharge techniques like check dams and recharge wells, and government projects in Gujarat including construction of check dams and reservoirs.
Peak Water, Climate Change, and California Planning in an Uncertain World
This document discusses the challenges of planning for water resources in California given the threats of climate change and "peak water" limits. It summarizes that while water is overall renewable, demand is approaching or exceeding natural limits in some areas due to overpumped aquifers and collapsing ecosystems. Climate change is exacerbated these problems by causing rising temperatures, changing water availability patterns, and more extreme events. The document argues that traditional water management solutions are no longer sufficient and that new approaches are needed, including improved efficiency, conjunctive use of different water sources, and innovative institutions. Planners must prepare for more uncertain future conditions and rethink assumptions that past trends will continue.
Grand County Town Hall Meeting
This document summarizes a town hall meeting for the Colorado Basin Implementation Plan in Grand County. It includes an agenda with overviews of the Colorado Water Plan, challenges in the Colorado River Basin and Grand County, and breakout session topics. The document outlines concerns about declining reservoir levels, drought, and a doubling of population by 2030 without new water supplies. It also summarizes Grand County efforts like the Upper Colorado River Basin Study and Stream Management Plan to understand local water needs and protect flows. Challenges in Grand County include diverse water sources, lack of reservoirs, reliance on instream flows, water quality issues, and balancing future growth with seasonal demands.
Lecture - Chapter 14 - Water as a Limited Resource.ppt
This chapter discusses water as a limited resource and various issues related to water quantity and quality. It covers the importance of water, properties of water, the hydrologic cycle, distribution and types of freshwater, and water use problems including too much water (flooding), too little water (drought), and poor water quality. Methods of water management are also summarized, including dams and reservoirs, water diversion projects, desalination, and conservation efforts. Global water issues like population growth, climate change, and sharing water resources between countries are also addressed.
(supplemental slides) to BIP Overview and Next Steps
The document summarizes key issues facing water management in Colorado's Colorado River basin, including:
1) Growing gaps between water supply and demand from agriculture, municipalities, and industry due to factors like drought and transbasin diversions, threatening over 100,000 acre-feet of agricultural land.
2) Environmental stresses like low flows, impaired streams, water quality problems, and uncertain climate impacts.
3) Challenges around compact administration, endangered species protection, separating land and water planning, energy development, and agricultural conversions.
4) The need to balance uses like urban growth, recreation, conservation, and agriculture against a backdrop of population increases and declining irrigation.
Sakshi_Suruchi
The document summarizes a proposed rainwater harvesting system in Delhi, India to address water scarcity issues. It describes traditional Indian water management techniques, analyzes the current water situation in Delhi, and presents a conceptual design for an integrated system of cisterns and landscape areas to collect, filter, and recharge groundwater and the Yamuna River. The proposed system aims to improve water quality and availability while reducing flooding and environmental impacts.
akshi jain_suruchi shah
The document summarizes a proposed rainwater harvesting system in Delhi, India to address water scarcity issues. It describes traditional Indian water management techniques, analyzes the current water situation in Delhi, and presents a conceptual design for an integrated system of cisterns and landscape areas to collect, filter, and recharge groundwater and the Yamuna River. The proposed system aims to improve water quality and availability while reducing flooding and environmental impacts.
Scott Houston
This document discusses water supply challenges in Southern California and the programs and projects of the West Basin Municipal Water District to ensure reliable water supplies. It notes that the region relies heavily on imported water from Northern California and the Colorado River but is pursuing more local and drought-proof supplies like recycled water, ocean desalination, and groundwater replenishment. It provides information on the district's water recycling facility, conservation programs, and efforts to expand the use of recycled water for irrigation and industrial customers.
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This document summarizes water resources in India. It discusses that while the total water available globally is around 1600 million cubic km, only around 0.26% of that is readily usable by humans. It then discusses India's water resources in more detail, noting that the average annual rainfall is 1170 mm but varies widely in different parts of the country. Surface water and groundwater are the main sources of irrigation water. The document estimates India's total water demand in 2050 to be between 970-1200 billion cubic meters but total availability to be between 1100-1400 billion cubic meters, requiring conservation efforts. It concludes with suggestions for water conservation like improving irrigation efficiency and reducing losses.
Regional Water Issues and Solutions 110729
The document discusses regional water issues and potential solutions in Colorado. It covers the region's geology, climate, history of water usage and legal framework. It also examines current challenges like declining groundwater levels and the need to balance various stakeholders. The document proposes expanding surface water supplies, increasing water conservation and reuse, and developing regional solutions through cooperation between local authorities.
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This document discusses a strategic water project in Palestine involving the Al-Fashkha Springs located near the Dead Sea. It faces several challenges including water needs exceeding supply, drought, pollution, and occupation. The project's first phase from 2012-2015 involved feasibility studies, drilling wells, and constructing reservoirs and pipelines. The second phase from 2015-2017 would construct a desalination plant and power plant to provide 33 million cubic meters of fresh water annually to Palestinians by 2017. The project aims to develop a sustainable water source for the region but faces high costs due to transporting water to higher elevations.
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el objetivo de esta investigación es conocer sobre la hidrología de los ríos y además los pulsos de inundación del rio napo
Groundwater
Groundwater and surface water are interconnected through the hydrologic cycle and comprise our water resources. However, extraction and pollution are threatening these resources. Over-pumping of aquifers like the High Plains Aquifer has caused water tables to drop significantly. The Middle East is also over-pumping groundwater, causing saltwater intrusion. Once polluted, groundwater remains contaminated for a long time since it flows more slowly than surface water. Increased water demand and improper management are reducing available fresh water supplies globally. Sustainable practices are needed to protect this vital resource for the future.
OCWD july 2015
The Orange County Water District was formed in 1933 to manage Orange County's groundwater supplies in response to declining flows of the Santa Ana River and threats of overdraft and seawater intrusion. The district encompasses 370 square miles and provides water for over 2.4 million people. It has developed a diverse water portfolio that includes imported water, stormwater, recycled water from its Groundwater Replenishment System, and other local sources to meet demands and manage the basin sustainably through wet and dry periods. Recycled water from the GWRS is now critical for recharge and has helped mitigate the impacts of the current drought.
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Orange County's Groundwater Replenishment System Expansion, by Denis Bilodeau...
Orange County's Groundwater Replenishment System Expansion, by Denis Bilodeau...
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Opportunities & Limitations of ASR as a Water Management Strategy in Texas - ...
Opportunities & Limitations of ASR as a Water Management Strategy in Texas - ...
Peak Water, Climate Change, and California Planning in an Uncertain World
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Lecture - Chapter 14 - Water as a Limited Resource.ppt
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(supplemental slides) to BIP Overview and Next Steps
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The document summarizes a presentation about the Pure Water program in San Diego. It discusses how the program will provide over 1/3 of the city's water supply through an advanced water purification process. It will treat wastewater from three plants and deliver it to local reservoirs by 2035. This creates a sustainable local water source and reduces reliance on imported water, whose costs have risen significantly. The program is supported by officials, environmental groups, and businesses as a cost-effective water solution for San Diego.
Wilson The Water Energy Nexus
This document summarizes the energy utility perspective on water and energy in California. It discusses how water represents nearly 20% of the state's electricity consumption and how energy costs are a major portion of water agency budgets. It also outlines California policies aimed at reducing greenhouse gas emissions through water and energy savings. The document describes Southern California Edison's initiatives to identify cost-effective water and energy efficiency opportunities through programs like leak detection, pump testing, and demand response. It emphasizes the importance of continued collaboration between energy and water entities to achieve shared objectives around safety, reliability, affordability, and addressing infrastructure and environmental challenges.
Kavounas New Ground Water Legislation
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Chapman New Ground Water
The document discusses California's ongoing drought and issues around groundwater usage. It notes that groundwater accounts for 39% of the state's water supply. Several sections discuss the need for groundwater replenishment and increased water conservation efforts. The drought has increased public awareness of water issues, with 26% of respondents to a recent poll citing water and drought as the most important state issue.
Croyle New Ground Water Legislation
This document summarizes California's ongoing drought conditions and response efforts. It notes that 2014 was one of the driest years on record with low water storage levels statewide. Groundwater supplies are being severely depleted. In response, the state has declared a drought emergency, facilitated water transfers, and implemented conservation measures. Looking forward, state actions focus on sustainable groundwater management, increasing water storage and supply reliability through the water bond, and preparing for potential mandatory conservation if dry conditions continue in 2015.
Ikhrata Climate Change
This document summarizes a presentation given by Hasan Ikhrata, the Executive Director of the Southern California Association of Governments (SCAG), at the Southern California Water Summit on planning for more sustainable communities. SCAG is the Metropolitan Planning Organization for the region and is responsible for developing the Regional Transportation Plan/Sustainable Communities Strategy (RTP/SCS) to meet greenhouse gas reduction targets. The 2012 RTP/SCS exceeded requirements by focusing growth within existing communities and allocating funding to alternative transportation. The 2016 RTP/SCS aims to further compact development and conservation, green infrastructure, open space planning, and support local innovations to implement the SCS.
Scheuer Climate Change
The document discusses California's Cap and Trade program and funding allocations from auction proceeds. It provides an overview of programs from various state agencies that are receiving funds, including high-speed rail, transit, affordable housing and sustainable communities, energy efficiency, natural resources restoration, and more. The presentation outlines the funding amounts, eligible project types, and timelines for upcoming grant solicitations. It advises local governments to review program guidelines, identify eligible existing projects, partner with others, and understand community needs to prepare for upcoming funding opportunities.
Meeker The New Frontier
The document advocates for increasing water reuse to help address California's imbalanced water supply and demand. It discusses various types of water reuse like indirect and direct potable reuse. The organization, WateReuse, conducts research to overcome barriers to greater reuse adoption, educates the public on reuse safety, and works with regulators. If water reuse is expanded, it can provide a local and reliable water source while benefiting the environment, agriculture, industry, and public.
James Solution to Pollution
This document summarizes concerns with draft Watershed Management Programs (WMPs) from a non-governmental organization perspective. Key concerns include WMPs relying on non-site specific data, insufficient prioritization of pollutants, unreasonable timelines that extend past permit deadlines, and monitoring plans not able to identify responsible parties for water quality issues. The document calls for WMPs to more specifically classify pollutants, justify strategies to reduce pollution, and not overrely on future changes or adaptive management to meet permit requirements.
Watson
The document summarizes the key requirements and components of watershed management programs as outlined in MS4 permits in Los Angeles and San Diego, using the Los Cerritos Channel Watershed Management Program as an example. The Los Cerritos WMP prioritizes source control and TSS reduction strategies. It identifies 13 potential regional water capture project sites that could cost $332 million total to help meet TMDL requirements. A reasonable assurance analysis determined that zinc is the limiting pollutant requiring treatment of 193 million gallons of runoff annually.
Hildebrand Solution to Pollution
The document discusses how stormwater is being treated as a resource in Southern California through programs like the Enhanced Watershed Management Program. This program takes an integrated planning approach to manage stormwater runoff, focusing on capture and reuse of stormwater as well as groundwater recharge. Examples are given of projects like the Rory M. Shaw Wetlands Park that have been implemented to manage stormwater runoff through infiltration and create recreational and habitat benefits.
Mehranian Solution to Pollution
This document summarizes the timeline and changes to the Los Angeles County Municipal Separate Storm Sewer System permit. It discusses the need for a new permit to better address stormwater management and engage municipalities. Key aspects of the new permit include watershed management programs, regional collaboration, and a focus on using best management practices to demonstrate pollution reductions. While stakeholder concerns were raised, the new permit framework aims to create more sustainable stormwater infrastructure and water quality improvements.
Farfsing Solution to Pollution
This document outlines an agenda for a session on watershed management programs and planning. The session will discuss what watershed management planning is and why it is important, concerns from regulatory agencies and environmental groups, risks of non-compliance, costs of watershed planning and how cities and counties will pay for it, and lessons from recently submitted watershed management plans. Speakers include experts from the Los Angeles Regional Water Quality Control Board, non-governmental organizations, and a stormwater quality management consultant.
Yao Water-Energy Nexus
Hugh Yao of SoCalGas presented at the Water Summit in San Diego on 11/8/2014. SoCalGas has reduced its own water usage by 25% since 2007 by installing low-flow fixtures, using recycled water, and planting drought-tolerant vegetation. SoCalGas estimates its programs and rebates will help customers save 414 million gallons of water alone in a single year. The company offers rebates to both residential and business customers for water and energy saving appliances and equipment. SoCalGas also provides water conservation education and has worked with water agencies for over a decade to help customers save water and energy.
Adams Water-Energy Nexus
This document summarizes LADWP's water and energy systems. It outlines LADWP's various water sources including the Los Angeles Aqueduct, Colorado River Aqueduct, State Water Project, and local groundwater. It discusses strategies to increase sustainability, such as water conservation programs, stormwater capture, and increasing the use of recycled water. It also discusses sustainable strategies for LADWP's power system, including achieving renewable energy and energy efficiency targets. Finally, it analyzes the energy use and carbon emissions associated with different water sources and conveyance systems, finding that local sources have lower energy impacts.
Sheilds Water-Energy Nexus
The document discusses the water-energy nexus and Irvine Ranch Water District's (IRWD) efforts to promote greater efficiency. IRWD serves over 500,000 customers across six cities in Orange County, California. Energy costs comprise 12% of IRWD's operating budget, so the agency focuses on water use efficiency, supply diversification, resource recovery, and demand response to reduce energy usage. IRWD also generates some of its own power and partners with other utilities to implement cost-effective projects. The document calls for engaging with state regulators on policies that encourage water and energy agencies to adopt renewable energy and pursue infrastructure funding to further improve efficiencies.
Watson
The document summarizes watershed management programs and requirements under MS4 permits in Los Angeles and San Diego. It provides an example of the Los Cerritos Channel Watershed Management Program, which was developed collaboratively by cities in the watershed to implement customized strategies to improve water quality, including prioritizing source control, reducing total suspended solids, capturing and infiltrating runoff, and constructing regional capture projects to treat 193 million gallons of runoff annually. The program utilizes an adaptive management process to modify control measures based on monitoring data.
June 19, 2014 City Managers Meeting- Storm Water
The document provides recommendations for sustainable stormwater quality funding in Los Angeles County. It recommends viewing stormwater systems as utilities requiring dedicated funding, and engaging cities, the county, and stakeholders to determine if a regional fee is viable. It also recommends continuing work on public education, pursuing legislation, and forming committees for elected officials and joint stakeholders to improve coordination and consensus building on funding solutions. The peer reviewers were asked for their perspectives on the recommendations and how best to proceed.
The Future of Energy Costs - Peter Weigand
This document summarizes a presentation for the California Cities Managers Association about changes to California's energy laws and the smart grid. It discusses how the traditional electric grid is being replaced by a smart grid that uses renewable energy and two-way communication. It outlines several new California laws and mandates affecting cities around renewable energy, energy storage, electric vehicles, and low-income assistance programs. It then presents various options available to cities around purchasing renewable energy, financing energy efficiency projects, forming community choice aggregation programs, and accessing incentive programs. It discusses the concept of "smart cities" and questions the feasibility and costs of achieving full energy efficiency and renewable energy. Finally, it provides resources cities can utilize for assistance.
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一比一原版美国宾夕法尼亚州立大学毕业证如何办理
原版一模一样【微信：741003700 】【美国宾夕法尼亚州立大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
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3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
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校名:学校英文全称
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WRD - The Importance of Groundwater in Southern Los Angeles County
- 1. Welcomes
- 2. The Importance of Groundwater in Southern Los Angeles County
- 3. What is Groundwater? Water Table (groundwater) Underground (soil)
- 5. 4 Million People Area = 420 mi 2 > 400 Water Wells Pumping 250,000 acre feet (77 BILLION Gallons) per Year Local Groundwater Supply Central Groundwater Basin and the West Coast Groundwater Basin 43 Cities Over 10% of California’s population San Gabriel Valley Coyote Hills Palos Verdes Hills Puente Hills Merced Hills Santa Monica Mtns Long Beach San Gabriel River Los Angeles River Los Angeles San Gabriel Mtns Pacific Ocean Newport-Inglewood Uplift Newport-Inglewood Uplift West Coast Basin Central Basin
- 6. Groundwater provides of total water demand In our region… 40%
- 8. How WRD Manages the Groundwater Basins Replenishment of groundwater Groundwater Clean Up Basin monitoring Basin modeling
- 9. Pacific Ocean Orange County Surface Recharge Coastal Injection West Coast Basin Central Basin Whittier Los Angeles Long Beach Torrance Inglewood 5 miles 5 km
- 10. San Gabriel spreading grounds Rio Hondo spreading grounds
- 11. Forebay (unconfined aquifers) Surface Recharge Spreading Basin Bedrock (Pico Formation) Ocean Surface Recharge of Groundwater Pressure Area (confined aquifers) Clay (aquitard) Clay (aquitard) Clay (aquitard) Aquifer Aquifer Aquifer
- 12. Results of WRD basin management Rising water levels & drought protection
- 13. Groundwater Monitoring Nearly 300 monitoring wells at 41 locations (more wells planned)
- 14. Nested Monitoring Wells Sampling Drilling
- 15. ANNUAL GROUNDWATER QUALITY TESTING Over 100 Chemicals Monitored
- 16. Two Annual Reports to Describe Basins
- 18. Historical Cost of Groundwater compared to Imported Water (cost per Acre Foot) Slide
- 19. Breakdown of Replenishment Assessment Projects, Programs, Monitoring, Planning, Administration, etc. Cost of Water
- 20. Spreading Water Costs in Central Basin
- 23. WRD’s WIN Program will reduce or eliminate need for imported water to replenish groundwater
- 24. For more information visit www.wrd.org
Editor's Notes
- WRD Groundwater Tours September 21, 2002