This document summarizes a literature review on the environmental effects of surface water pollution. It finds that surface waters across the globe are increasingly polluted by human activities like agriculture, domestic waste, and industry. All studies reviewed found pollutant levels exceeding safety limits, with adverse health and environmental impacts. Effects include waterborne diseases in humans and negative impacts on plants, aquatic life, and the surrounding environment. Proper treatment of surface water is needed before human and industrial use to prevent health crises. Ongoing monitoring and enforcement of water quality standards are needed to address the growing pollution problem.
On Earth water has too many forms and variety which
are necessary specifically for particular geographical as well as
environmental surroundings. Below 1% of the world's fresh
water (0.007% of all water on earth) is reachable for direct
human uses. Water pollutions now become a part of concern and
disquiet in country like India. Large parts of water which are life
supportive get contaminated because of illegal activities of human
beings. Water effluence is a major problem globally. It is the
leading worldwide cause of deaths and diseases, and that it
accounts for the deaths of more than 14,000 people daily. In
addition to the acute problems of different problems in
developing countries, industrialized countries continue to
struggle with water pollution problems as well. There are many
inorganic metals which are contaminating water bodies which
serve life to large part of India, Arsenic (As) is one of the biggest
threats for water bodies. High toxicity of Arsenic poses a serious
risk not only to ecological systems but also for human health.
There is availability of sophisticated techniques for arsenic
removal from contaminated water, development of new
laboratory based techniques along with cost reduction and
enhancement of conventional techniques are essential for the
benefit of common people. This paper is based on the future
aspects, for removal of Arsenic from drinking water or the water
of different rivers like Ganga, Gomti and Yamuna etc which
humans are consuming for domestic purpose. Demograph
estimate that around 52 millions peoples are drinking ground
water with arsenic concentrations above the guidelines of World
Health Organization. WHO proposed a parameter or MIC for
Arsenic i.e. of 10 parts per billion (ppb) or 0.010 Mg/L, it is found
that level of Arsenic has been increased vigorously in many
rivers. Objective is to apply Bioremediation technique with the
help of batch culture that needs Bioremediators to detoxify
contaminated water and helps in maintaining the original quality
of water.
Effects of pH, Dosage, Temperature and Mixing Speed on The Efficiency of Wate...IJAEMSJORNAL
Studies were carried out to determine the effects of operating parameters such as temperature, pH, dosage and mixing speed on the efficiency of watermelon seed in removing the turbidity and colour of Atabong River, which serves the people of Eket and their environs in Akwa-Ibom State. Results obtained showed that at an ideal pH of 7.5, temperature of 25oC, dosage of 0.6g/l and mixing speed of 120rpm the water melon coagulum removed turbidity and colour of the raw river water by 87.9% and 84.3% respectively. At this optimum conditions, water melon coagulum decreased the raw water turbidity from 67.7 to 8.18 NTU and colour, 318 to 50 TCU. The findings have demonstrated the effectiveness of water melon seeds as a possible replacement for chemicals like alum and ferric salts normally used in coagulation-flocculation water treatment.
The physicochemical properties of some selected water sources within a quarry site at locations (L1, L2, L3, and L4) in Afao-Ekiti
were investigated using standard analytical methods. At the quarry site the following parameters were undertaking (pH, total dissolved solids, the total hardness, phosphate, electrical conductivity, chloride, and fluoride and nitrate) and were all within the World Health Organization (WHO) permissible limits for drinking water. However, the metal samples investigated also fell within WHO permissible limits for drinking water except for iron (L3) and manganese (L4). These results showed that water sources in this environment were not contaminated and fit for human consumption. This study also investigates the suitability of water for drinking purposes based on Water Quality Index (WQI) estimated. The Communities within the studied area require alternative sources of potable water for drinking and
domestic purposes other than the previous model.
International Journal of Engineering and Science Invention (IJESI) is an international journal intended for professionals and researchers in all fields of computer science and electronics. IJESI publishes research articles and reviews within the whole field Engineering Science and Technology, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online.
On Earth water has too many forms and variety which
are necessary specifically for particular geographical as well as
environmental surroundings. Below 1% of the world's fresh
water (0.007% of all water on earth) is reachable for direct
human uses. Water pollutions now become a part of concern and
disquiet in country like India. Large parts of water which are life
supportive get contaminated because of illegal activities of human
beings. Water effluence is a major problem globally. It is the
leading worldwide cause of deaths and diseases, and that it
accounts for the deaths of more than 14,000 people daily. In
addition to the acute problems of different problems in
developing countries, industrialized countries continue to
struggle with water pollution problems as well. There are many
inorganic metals which are contaminating water bodies which
serve life to large part of India, Arsenic (As) is one of the biggest
threats for water bodies. High toxicity of Arsenic poses a serious
risk not only to ecological systems but also for human health.
There is availability of sophisticated techniques for arsenic
removal from contaminated water, development of new
laboratory based techniques along with cost reduction and
enhancement of conventional techniques are essential for the
benefit of common people. This paper is based on the future
aspects, for removal of Arsenic from drinking water or the water
of different rivers like Ganga, Gomti and Yamuna etc which
humans are consuming for domestic purpose. Demograph
estimate that around 52 millions peoples are drinking ground
water with arsenic concentrations above the guidelines of World
Health Organization. WHO proposed a parameter or MIC for
Arsenic i.e. of 10 parts per billion (ppb) or 0.010 Mg/L, it is found
that level of Arsenic has been increased vigorously in many
rivers. Objective is to apply Bioremediation technique with the
help of batch culture that needs Bioremediators to detoxify
contaminated water and helps in maintaining the original quality
of water.
Effects of pH, Dosage, Temperature and Mixing Speed on The Efficiency of Wate...IJAEMSJORNAL
Studies were carried out to determine the effects of operating parameters such as temperature, pH, dosage and mixing speed on the efficiency of watermelon seed in removing the turbidity and colour of Atabong River, which serves the people of Eket and their environs in Akwa-Ibom State. Results obtained showed that at an ideal pH of 7.5, temperature of 25oC, dosage of 0.6g/l and mixing speed of 120rpm the water melon coagulum removed turbidity and colour of the raw river water by 87.9% and 84.3% respectively. At this optimum conditions, water melon coagulum decreased the raw water turbidity from 67.7 to 8.18 NTU and colour, 318 to 50 TCU. The findings have demonstrated the effectiveness of water melon seeds as a possible replacement for chemicals like alum and ferric salts normally used in coagulation-flocculation water treatment.
The physicochemical properties of some selected water sources within a quarry site at locations (L1, L2, L3, and L4) in Afao-Ekiti
were investigated using standard analytical methods. At the quarry site the following parameters were undertaking (pH, total dissolved solids, the total hardness, phosphate, electrical conductivity, chloride, and fluoride and nitrate) and were all within the World Health Organization (WHO) permissible limits for drinking water. However, the metal samples investigated also fell within WHO permissible limits for drinking water except for iron (L3) and manganese (L4). These results showed that water sources in this environment were not contaminated and fit for human consumption. This study also investigates the suitability of water for drinking purposes based on Water Quality Index (WQI) estimated. The Communities within the studied area require alternative sources of potable water for drinking and
domestic purposes other than the previous model.
International Journal of Engineering and Science Invention (IJESI) is an international journal intended for professionals and researchers in all fields of computer science and electronics. IJESI publishes research articles and reviews within the whole field Engineering Science and Technology, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online.
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
The papers for publication in The International Journal of Engineering& Science are selected through rigorous peer reviews to ensure originality, timeliness, relevance, and readability.
UK water quality 10UK water qualityCourse.docxmarilucorr
UK water quality 10
UK water quality
Course:
Professor:
City:
Date:
Why water quality has deteriorated
Introduction
According to Boyd, (2015) water quality is the physical, biological, radiological and chemical components of water. Water quality can also be defined as a measure of the condition of water of one or more biotic species for use by human beings, animals, aquatic organisms or any other purposes. Lastly, water quality can also be defined as how suitable water can be used for different purposes.
Determination of water quality
The quality of water that is on earth is a function of (affected by) either natural influences or human activities. Water quality is determined by determining the weathering of bedrock minerals in the scenario where there is no human interference, (Chapman 2016). It is an atmospheric process of deposition of dust and, salt by the wind, and evapotranspiration, leaching of natural organic materials and the nutrients runoff in soil. Runoff which is caused by hydrological factors and a biological process in the aquatic environment can lead to changes in the physical and chemical constituents of water, (Ahuja 2013).
Water quality is determined by comparing the chemical and physical characteristics of a water sample according to the existing standards (guidelines). Regarding determining the quality of water for drinking, the standards are set so as to ensure that the drinking water is safe and clean for human consumption, (De Zuane, 1997). Attainment of these standards is through checking of the toxic levels so as to learn whether the water is fit for drinking by humans or even animals (which includes aquatic animals.)
Water quality indicators.
According to regional aquatics monitoring program, water quality is defined as the concentration physical and chemical components. Water quality indicators include: metals, conductivity, nutrients, dissolved oxygen, industrial chemicals (dioxins and PCBs), temperature, hydrocarbons and lastly, the conventional variables- (dissolved wastes, suspended sentiments, pH levels)
Has water quality deteriorated or improved?
In the recent years, water levels across the world have been declining, Ahuja (2013). Reasons attributed to the deterioration of water quality levels are: a fast growing human population, increased agricultural activities, expanding industrialization, irrigation, and the ever changing weather and climatic conditions, (Terrell & Perfetti, 1992). These reasons are such a threat to the hydrological cycle leading to increased pollution which in return adds up to the low-quality levels of water.
According to Boyd, (2000), at the moment, the largest water quality problem is eutrophication, which is caused by high levels of nitrogen and phosphorous which damage the water uses. Many nutrient sources consist of indoor pollution, agricultural runoff, industrial waste release, and atmospheric components of fossil fuels and other fires. According to World Health ...
AbstractGround water is the biggest source of drinking water ava.docxransayo
Abstract
Ground water is the biggest source of drinking water available to human population around the world and is rapidly being polluted because of industrialization and increasing demands of agriculture around the world. A set of simple experiments were done to find out what kind of changes do some of these contaminants cause in ground water. Samples of tap water and bottled water were also analyzed for safety. Chemicals like oil, vinegar and soap cause turbidity, odor and color change in water samples. Tap water is just as safe to drink as bottled water because the contamination levels are fairly equal. INTRODUCTION Ground water is present below the surface in porous rocks and is susceptible to contamination by natural and especially human related activities. Large amounts of chemicals like soap and detergents, fertilizers and pesticides, pharmaceutical by-products are discharged in to fresh water aquifers every day. These contaminants leach in to the soil and dissolve in ground water. Different contaminants have different rates of solubility and degradation once they reach the underground water table either by simple flow or by the downward movement of rain water. The ground water may become contaminated with both organic and inorganic substances especially heavy metals like Cadmium, Chromium and Nickel, etc. (Christensen et al, 2001). Pharmaceutical wastes can cause cancer in human cells. (Krifa et al. 2013). Many pharmaceutically active chemicals reach groundwater sources almost untreated and cause contamination. (Herber, 2002). Increase in the emissions of carbon dioxide by burning fossil fuels is the single largest cause of environmental degradation resulting not only in global warming but also causing acid rain which alters the pH of ground water. Water is a universal solvent; however, its dissolving properties are very sensitive to changes in temperature and pH. Global economic growth has, unfortunately, resulted in high levels of carbon dioxide emissions.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000
SCI 207 Week 3 Assignment Outline if the Final Lab Report - NEW
ABSTRACT
Ground water is the biggest source of drinking water available to human population around the world and is rapidly being polluted because of industrialization and increasing demands of agriculture around the world. A set of simple experiments were done to find out what kind of changes do some of these contaminants cause in ground water. Samples of tap water and bottled water were also analyzed for safety. Chemicals like oil, vinegar and soap cause turbidity, odor and color change in water samples. Tap water is much safer to drink than bottled water because it contains less contamination than bottles water.
INTRODUCTION
Ground water is present below the surface in porous rocks and is susceptible to contamination by natural and especially human related activities. Large amounts of chemicals like soap and detergents, ferti.
Characterization of Physicochemical Water Quality Parameters of River Gudar (...IOSRJAC
Due to various natural and anthropogenic activities, quality of water was deteriorated in most towns of the country. These changes make or forced the community to depend on unsafe and poor water consumption. River Gudar is one of the rivers found in towns of the country, and exposed to many anthropogenic activities done around the town. Importance of river Gudar is strongly linked to Domestic consumption, Irrigation, Industrial (HAEF) and other public health. Under the investigation physicochemical parameters and selected heavy metals for the quality of river Gudar for drinking purpose were characterized. The laboratory results for both physicochemical parameters and selected heavy metals were: Alkalinity (154 ± 15.556 mg/L), pH (8.44), Electrical Conductivity (316.47 ± 72.802 Scm-1 ), TDS (149.37 ± 20.64 mg/L), Ammonia (41.00 ± 1.19 mg/L), Phosphate (3.50 ± 0.32mg/L), Total Hardness (156.87 ± 8.46 mg/L CaCO3), Sodium (17.44 ± 2.87mg/L), Potassium (8.51 ± 0.33 mg/L) and some selected heavy metals such as Cu (0.29 ± 0.04 mg/L ), Pb (2.5 ± 0.25 mg/L), Zn (0.63 ± 0.24 mg/L), Cd (0.79 ± 0.19 mg/L) and Ag (0.35 ± 0.17 mg/L) for water sample.
12 ground water pollution in india a review 12 ijtas-92-2018-richa guptaBIOLOGICAL FORUM
ABSTRACT: Groundwater is the foremost source of water for domestic, agricultural and industrial purposes in several countries. Due to human and industrial activities the ground water is contaminated. This is the serious problem now a day. Due to industrial, municipal and agricultural waste containing pesticides, insecticides, fertilizer residues and heavy metals with water groundwater has been polluted by leaching process. The effects of groundwater pollution are wide. In this paper the overview of ground water pollution due to industrial as well as anthropogenic activities. Water quality is affected by both point and non-point sources of pollution. These include sewage discharge, discharge from industries, run-off from agricultural fields and urban run-off. Analysis of the water quality is very important to preserve and prefect the natural eco system. The assessment of the ground water various technologies has been developed and management practices should be carried out periodically to protect the water resources.
Keywords: Ground water, Water pollution, Heavy Metals, Water Quality Index.
Determination of Heavy Metals in Boreholes, Hand Dug Wells and Surface Water ...Premier Publishers
Drinking water Quality is one of the most important concerns. The heavy metals level up to ppb levels in drinking water quality may cause severe health problems. In this study attempt was made to determine the concentrations of eight heavy metals in water samples taken in August 2016 from boreholes, hand dug wells and streams in some selected areas of Mubi North local government Adamawa state. These samples were subjected to analysis for eight elements (Zn, Fe, Ca, Na, Mg, Mn, Pb and Cd using Atomic Absorption Spectrophotometer (AAS). The concentrations of these metals in the study areas were compared with drinking water quality limits given by the World Health Organization (WHO). Na, Mg, Fe, Mn, Zn and Ca concentrations were found to range from 4.80-5.0, 0.06-2.6, 0.03-3.05, 0.04-0.80, 0.02-0.17, 20.49-35.6Mg/L respectively. The concentrations of Na, Mg, Ca, and Zn found in this study were lower than the permissible limit of WHO. While that of Fe in water sample from stream were found to be higher as compared with the WHO standard. Similarly the concentration of Mn in stream and borehole water samples were also higher.Cd and Pb were not detected in all the samples.
IRJET-Towards Conservation of World Famous Dal Lake – A Need of HourIRJET Journal
Mudasir Ahmad Wani, Ashit Dutta, M. Ashraf Wani, Umer Jan Wani, "Towards Conservation of World Famous Dal Lake – A Need of Hour", International Research Journal of Engineering and Technology (IRJET), Vol2,issue-01 March 2015. e-ISSN:2395-0056,p-ISSN:2395-0072. www.irjet.net,published by Fast Track Publications
Abstract
Lakes play an important role in the economy of a region. Dal Lake has historically been the centre of Kashmiri civilization and has played a major role in the economy of Kashmir through its attraction of tourists as well as its utilization as a source of food and water. Preservation of world famous Dal Lake hence, is need of hour. The aim of this study is identification and monitoring of effluent discharge and to suggest strategies for prevention of water pollution of Dal Lake. A descriptive methodology utilizing observational site survey, study of relevant records and interview technique for identification and monitoring of effluent discharge taking place into Dal Lake was carried out. Accordingly, Strategies for treatment of effluents discharged are suggested for prevention of water pollution of Dal Lake. The study revealed that effluent discharge taking place into the Dal Lake pollutes its water on daily basis. Pollutants that enter in Dal Lake are sewage and sullage, agriculture runoff, detergents and soaps, soil erosion from catchment areas, animal waste, solid wastes and wastes from houseboats, hotels and business establishments. The study is unique in that it reports on important issue of environmental degradation of world famous Dal Lake. Various measures proposed for conservation of lake including afforestation and control of grazing animals in the catchment area, removal of house boats and hotels and rehabilitation of their owners and inhabitants living in and around Dal at a suitable place, removal of excess weeds on continuous basis, construction of sanitation latrines for villagers, reducing use of chemical pesticides, avoiding use of commercial fertilizers, installation of STPs, restoring “Nallah Mar” and continuous monitoring of lake environment are expected to reduce the pollution and hence, preservation of the lake.
Wetlands are one of the most multifunctional ecosystems of the world that provide a range of economical, biological, ecological, social, and cultural functions and services to human beings. In Ethiopia all types of wetlands except coastal and marine-related wetlands and extensive swamp-forest complexes are found and they are estimated to cover more than 2% of its total surface area coverage. Wetlands deliver a wide range of ecosystem services that contribute to human well-being such as food
and feed, construction materials,
Specific physicochemical parameters influence on the plankton structure in ag...Innspub Net
The continuous discharge of effluents into Warri River, impacts on its water quality parameters as well as plankton species which requires commensurate surveillance. This study focuses on its physicochemical characteristics and their influence on plankton composition and abundance. The surface water samples and plankton collected monthly from June to November 2014 were analyzed using standard methods. The physicochemical parameters showed variations among the stations. The ANOVA results revealed that water temperature, transparency, turbidity, TDS, conductivity, pH, acidity, Dissolved Oxygen and phosphate were significantly different (P <0.05) among the studied sites. A total of 849 plankton species identified; 814 species were phytoplankton consisting of four groups (Bacillariophyta> Chlorophyta> Euglenophyta> Cyanophyta, arranged in order of dominance. While zooplankton had 35 species grouped into 5 groups; Rotifera> Copepoda> Protozoa> Cladocera> Arachnida, in order of dominance. Pearson correlation revealed a significant correlation between different Plankton species population and some parameters (p<0.05). The principal component analysis labelled acidity, organic load, mineralization, nutrient, and organic pollution as influential factors governing plankton abundance in the studied area. These factors identify with materials from industries and human activities along the river, which results in the alteration of plankton composition, particularly Melosira granulata (Ehrenberg) Ralfs,1861. Inferred biological indicator of the water body. Diversity indices ranged from 0.28 to 1.39; Station 2 had the highest (1.39) and Station 1 the lowest species richness, a highly polluted river.
Potential Impact Assessment of Agricultural Practices on Water Quality in Nya...Agriculture Journal IJOEAR
Abstract— A challenge of linking agricultural sector with water quality in order to combat water pollution remains worrying for the Government of Rwanda. The general objective of the study was to assess the potential impacts of agricultural practices on water quality in NYANZA District. Specifically, the study assessed agricultural practices in Bishya wetland, analyzed the level of water pollution in Bishya wetland, and demonstrated the correlation between agricultural practices and water quality from Bishya wetland. Data were obtained through questionnaires, observation, and laboratory analysis of water samples taken twice per month in six sampling points of bishya dam situated in bishya wetland starting from 4th March 2019 up to 20th August 2019. The Linear Regression Model using SPSS statistics with 95% confidence interval was used to demonstrate the correlation between agricultural inputs and water quality data for all selected physico-chemical parameters. Findings revealed that agricultural practices in Bishya wetland and surrounding areas are characterized by the presence of different crops, ineffective anti-erosions, absence of wetland margins, ineffective drainage of wetland, use of organic manures and chemical fertilizers, as well as the presence of different types of rocks and soils. Findings revealed also that all parameters have not manifested pollution, but some of them did according to Rwanda Standard Board guidelines. In sampling point1, the parameters that presented pollution were nitrites (r=0.047), phosphates(r=0.384), iron (r=0.11), and manganese(r=0.018); in sampling point2, were nitrites(r =0.010), iron (r=0.059), and chemical oxygen demand(r=0.012); in sampling point 3, were pH (r=0.048), nitrites(r =0.086), and phosphates (r=0.329); in sampling point 4, were nitrites (r =0.123), iron(r=0.182), and manganese (r=0.051); in sampling point 5,were turbidity (r=0.080), nitrites (r=0.095), phosphates(r=0.188),iron(r=0.093), manganese(r=0.051), and chemical oxygen demand(r=0.017), and in sampling point 6, the parameters that presented pollution were nitrites(r=0.046), phosphates(r=0.277), iron(r=0.106), and manganese(r=0.190). Finally, findings revealed that agricultural practices in Bishya wetland and surrounding areas, have contributed to the pollution of water quality of Bishya dam through substances of organic manures, chemical fertilizers and pesticides, crop residues, and soil sediments that are transported into the dam by erosion. The study concluded that an effort to create anti-erosions in all areas surrounding wetland, respectful of buffer zones, improving vegetation covers, creating water management bodies at cells level, increasing awareness of population about ecosystem functions, and capturing rain water from houses may effectively contribute to water quality in Bishya wetland.
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
The papers for publication in The International Journal of Engineering& Science are selected through rigorous peer reviews to ensure originality, timeliness, relevance, and readability.
UK water quality 10UK water qualityCourse.docxmarilucorr
UK water quality 10
UK water quality
Course:
Professor:
City:
Date:
Why water quality has deteriorated
Introduction
According to Boyd, (2015) water quality is the physical, biological, radiological and chemical components of water. Water quality can also be defined as a measure of the condition of water of one or more biotic species for use by human beings, animals, aquatic organisms or any other purposes. Lastly, water quality can also be defined as how suitable water can be used for different purposes.
Determination of water quality
The quality of water that is on earth is a function of (affected by) either natural influences or human activities. Water quality is determined by determining the weathering of bedrock minerals in the scenario where there is no human interference, (Chapman 2016). It is an atmospheric process of deposition of dust and, salt by the wind, and evapotranspiration, leaching of natural organic materials and the nutrients runoff in soil. Runoff which is caused by hydrological factors and a biological process in the aquatic environment can lead to changes in the physical and chemical constituents of water, (Ahuja 2013).
Water quality is determined by comparing the chemical and physical characteristics of a water sample according to the existing standards (guidelines). Regarding determining the quality of water for drinking, the standards are set so as to ensure that the drinking water is safe and clean for human consumption, (De Zuane, 1997). Attainment of these standards is through checking of the toxic levels so as to learn whether the water is fit for drinking by humans or even animals (which includes aquatic animals.)
Water quality indicators.
According to regional aquatics monitoring program, water quality is defined as the concentration physical and chemical components. Water quality indicators include: metals, conductivity, nutrients, dissolved oxygen, industrial chemicals (dioxins and PCBs), temperature, hydrocarbons and lastly, the conventional variables- (dissolved wastes, suspended sentiments, pH levels)
Has water quality deteriorated or improved?
In the recent years, water levels across the world have been declining, Ahuja (2013). Reasons attributed to the deterioration of water quality levels are: a fast growing human population, increased agricultural activities, expanding industrialization, irrigation, and the ever changing weather and climatic conditions, (Terrell & Perfetti, 1992). These reasons are such a threat to the hydrological cycle leading to increased pollution which in return adds up to the low-quality levels of water.
According to Boyd, (2000), at the moment, the largest water quality problem is eutrophication, which is caused by high levels of nitrogen and phosphorous which damage the water uses. Many nutrient sources consist of indoor pollution, agricultural runoff, industrial waste release, and atmospheric components of fossil fuels and other fires. According to World Health ...
AbstractGround water is the biggest source of drinking water ava.docxransayo
Abstract
Ground water is the biggest source of drinking water available to human population around the world and is rapidly being polluted because of industrialization and increasing demands of agriculture around the world. A set of simple experiments were done to find out what kind of changes do some of these contaminants cause in ground water. Samples of tap water and bottled water were also analyzed for safety. Chemicals like oil, vinegar and soap cause turbidity, odor and color change in water samples. Tap water is just as safe to drink as bottled water because the contamination levels are fairly equal. INTRODUCTION Ground water is present below the surface in porous rocks and is susceptible to contamination by natural and especially human related activities. Large amounts of chemicals like soap and detergents, fertilizers and pesticides, pharmaceutical by-products are discharged in to fresh water aquifers every day. These contaminants leach in to the soil and dissolve in ground water. Different contaminants have different rates of solubility and degradation once they reach the underground water table either by simple flow or by the downward movement of rain water. The ground water may become contaminated with both organic and inorganic substances especially heavy metals like Cadmium, Chromium and Nickel, etc. (Christensen et al, 2001). Pharmaceutical wastes can cause cancer in human cells. (Krifa et al. 2013). Many pharmaceutically active chemicals reach groundwater sources almost untreated and cause contamination. (Herber, 2002). Increase in the emissions of carbon dioxide by burning fossil fuels is the single largest cause of environmental degradation resulting not only in global warming but also causing acid rain which alters the pH of ground water. Water is a universal solvent; however, its dissolving properties are very sensitive to changes in temperature and pH. Global economic growth has, unfortunately, resulted in high levels of carbon dioxide emissions.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000
SCI 207 Week 3 Assignment Outline if the Final Lab Report - NEW
ABSTRACT
Ground water is the biggest source of drinking water available to human population around the world and is rapidly being polluted because of industrialization and increasing demands of agriculture around the world. A set of simple experiments were done to find out what kind of changes do some of these contaminants cause in ground water. Samples of tap water and bottled water were also analyzed for safety. Chemicals like oil, vinegar and soap cause turbidity, odor and color change in water samples. Tap water is much safer to drink than bottled water because it contains less contamination than bottles water.
INTRODUCTION
Ground water is present below the surface in porous rocks and is susceptible to contamination by natural and especially human related activities. Large amounts of chemicals like soap and detergents, ferti.
Characterization of Physicochemical Water Quality Parameters of River Gudar (...IOSRJAC
Due to various natural and anthropogenic activities, quality of water was deteriorated in most towns of the country. These changes make or forced the community to depend on unsafe and poor water consumption. River Gudar is one of the rivers found in towns of the country, and exposed to many anthropogenic activities done around the town. Importance of river Gudar is strongly linked to Domestic consumption, Irrigation, Industrial (HAEF) and other public health. Under the investigation physicochemical parameters and selected heavy metals for the quality of river Gudar for drinking purpose were characterized. The laboratory results for both physicochemical parameters and selected heavy metals were: Alkalinity (154 ± 15.556 mg/L), pH (8.44), Electrical Conductivity (316.47 ± 72.802 Scm-1 ), TDS (149.37 ± 20.64 mg/L), Ammonia (41.00 ± 1.19 mg/L), Phosphate (3.50 ± 0.32mg/L), Total Hardness (156.87 ± 8.46 mg/L CaCO3), Sodium (17.44 ± 2.87mg/L), Potassium (8.51 ± 0.33 mg/L) and some selected heavy metals such as Cu (0.29 ± 0.04 mg/L ), Pb (2.5 ± 0.25 mg/L), Zn (0.63 ± 0.24 mg/L), Cd (0.79 ± 0.19 mg/L) and Ag (0.35 ± 0.17 mg/L) for water sample.
12 ground water pollution in india a review 12 ijtas-92-2018-richa guptaBIOLOGICAL FORUM
ABSTRACT: Groundwater is the foremost source of water for domestic, agricultural and industrial purposes in several countries. Due to human and industrial activities the ground water is contaminated. This is the serious problem now a day. Due to industrial, municipal and agricultural waste containing pesticides, insecticides, fertilizer residues and heavy metals with water groundwater has been polluted by leaching process. The effects of groundwater pollution are wide. In this paper the overview of ground water pollution due to industrial as well as anthropogenic activities. Water quality is affected by both point and non-point sources of pollution. These include sewage discharge, discharge from industries, run-off from agricultural fields and urban run-off. Analysis of the water quality is very important to preserve and prefect the natural eco system. The assessment of the ground water various technologies has been developed and management practices should be carried out periodically to protect the water resources.
Keywords: Ground water, Water pollution, Heavy Metals, Water Quality Index.
Determination of Heavy Metals in Boreholes, Hand Dug Wells and Surface Water ...Premier Publishers
Drinking water Quality is one of the most important concerns. The heavy metals level up to ppb levels in drinking water quality may cause severe health problems. In this study attempt was made to determine the concentrations of eight heavy metals in water samples taken in August 2016 from boreholes, hand dug wells and streams in some selected areas of Mubi North local government Adamawa state. These samples were subjected to analysis for eight elements (Zn, Fe, Ca, Na, Mg, Mn, Pb and Cd using Atomic Absorption Spectrophotometer (AAS). The concentrations of these metals in the study areas were compared with drinking water quality limits given by the World Health Organization (WHO). Na, Mg, Fe, Mn, Zn and Ca concentrations were found to range from 4.80-5.0, 0.06-2.6, 0.03-3.05, 0.04-0.80, 0.02-0.17, 20.49-35.6Mg/L respectively. The concentrations of Na, Mg, Ca, and Zn found in this study were lower than the permissible limit of WHO. While that of Fe in water sample from stream were found to be higher as compared with the WHO standard. Similarly the concentration of Mn in stream and borehole water samples were also higher.Cd and Pb were not detected in all the samples.
IRJET-Towards Conservation of World Famous Dal Lake – A Need of HourIRJET Journal
Mudasir Ahmad Wani, Ashit Dutta, M. Ashraf Wani, Umer Jan Wani, "Towards Conservation of World Famous Dal Lake – A Need of Hour", International Research Journal of Engineering and Technology (IRJET), Vol2,issue-01 March 2015. e-ISSN:2395-0056,p-ISSN:2395-0072. www.irjet.net,published by Fast Track Publications
Abstract
Lakes play an important role in the economy of a region. Dal Lake has historically been the centre of Kashmiri civilization and has played a major role in the economy of Kashmir through its attraction of tourists as well as its utilization as a source of food and water. Preservation of world famous Dal Lake hence, is need of hour. The aim of this study is identification and monitoring of effluent discharge and to suggest strategies for prevention of water pollution of Dal Lake. A descriptive methodology utilizing observational site survey, study of relevant records and interview technique for identification and monitoring of effluent discharge taking place into Dal Lake was carried out. Accordingly, Strategies for treatment of effluents discharged are suggested for prevention of water pollution of Dal Lake. The study revealed that effluent discharge taking place into the Dal Lake pollutes its water on daily basis. Pollutants that enter in Dal Lake are sewage and sullage, agriculture runoff, detergents and soaps, soil erosion from catchment areas, animal waste, solid wastes and wastes from houseboats, hotels and business establishments. The study is unique in that it reports on important issue of environmental degradation of world famous Dal Lake. Various measures proposed for conservation of lake including afforestation and control of grazing animals in the catchment area, removal of house boats and hotels and rehabilitation of their owners and inhabitants living in and around Dal at a suitable place, removal of excess weeds on continuous basis, construction of sanitation latrines for villagers, reducing use of chemical pesticides, avoiding use of commercial fertilizers, installation of STPs, restoring “Nallah Mar” and continuous monitoring of lake environment are expected to reduce the pollution and hence, preservation of the lake.
Wetlands are one of the most multifunctional ecosystems of the world that provide a range of economical, biological, ecological, social, and cultural functions and services to human beings. In Ethiopia all types of wetlands except coastal and marine-related wetlands and extensive swamp-forest complexes are found and they are estimated to cover more than 2% of its total surface area coverage. Wetlands deliver a wide range of ecosystem services that contribute to human well-being such as food
and feed, construction materials,
Specific physicochemical parameters influence on the plankton structure in ag...Innspub Net
The continuous discharge of effluents into Warri River, impacts on its water quality parameters as well as plankton species which requires commensurate surveillance. This study focuses on its physicochemical characteristics and their influence on plankton composition and abundance. The surface water samples and plankton collected monthly from June to November 2014 were analyzed using standard methods. The physicochemical parameters showed variations among the stations. The ANOVA results revealed that water temperature, transparency, turbidity, TDS, conductivity, pH, acidity, Dissolved Oxygen and phosphate were significantly different (P <0.05) among the studied sites. A total of 849 plankton species identified; 814 species were phytoplankton consisting of four groups (Bacillariophyta> Chlorophyta> Euglenophyta> Cyanophyta, arranged in order of dominance. While zooplankton had 35 species grouped into 5 groups; Rotifera> Copepoda> Protozoa> Cladocera> Arachnida, in order of dominance. Pearson correlation revealed a significant correlation between different Plankton species population and some parameters (p<0.05). The principal component analysis labelled acidity, organic load, mineralization, nutrient, and organic pollution as influential factors governing plankton abundance in the studied area. These factors identify with materials from industries and human activities along the river, which results in the alteration of plankton composition, particularly Melosira granulata (Ehrenberg) Ralfs,1861. Inferred biological indicator of the water body. Diversity indices ranged from 0.28 to 1.39; Station 2 had the highest (1.39) and Station 1 the lowest species richness, a highly polluted river.
Potential Impact Assessment of Agricultural Practices on Water Quality in Nya...Agriculture Journal IJOEAR
Abstract— A challenge of linking agricultural sector with water quality in order to combat water pollution remains worrying for the Government of Rwanda. The general objective of the study was to assess the potential impacts of agricultural practices on water quality in NYANZA District. Specifically, the study assessed agricultural practices in Bishya wetland, analyzed the level of water pollution in Bishya wetland, and demonstrated the correlation between agricultural practices and water quality from Bishya wetland. Data were obtained through questionnaires, observation, and laboratory analysis of water samples taken twice per month in six sampling points of bishya dam situated in bishya wetland starting from 4th March 2019 up to 20th August 2019. The Linear Regression Model using SPSS statistics with 95% confidence interval was used to demonstrate the correlation between agricultural inputs and water quality data for all selected physico-chemical parameters. Findings revealed that agricultural practices in Bishya wetland and surrounding areas are characterized by the presence of different crops, ineffective anti-erosions, absence of wetland margins, ineffective drainage of wetland, use of organic manures and chemical fertilizers, as well as the presence of different types of rocks and soils. Findings revealed also that all parameters have not manifested pollution, but some of them did according to Rwanda Standard Board guidelines. In sampling point1, the parameters that presented pollution were nitrites (r=0.047), phosphates(r=0.384), iron (r=0.11), and manganese(r=0.018); in sampling point2, were nitrites(r =0.010), iron (r=0.059), and chemical oxygen demand(r=0.012); in sampling point 3, were pH (r=0.048), nitrites(r =0.086), and phosphates (r=0.329); in sampling point 4, were nitrites (r =0.123), iron(r=0.182), and manganese (r=0.051); in sampling point 5,were turbidity (r=0.080), nitrites (r=0.095), phosphates(r=0.188),iron(r=0.093), manganese(r=0.051), and chemical oxygen demand(r=0.017), and in sampling point 6, the parameters that presented pollution were nitrites(r=0.046), phosphates(r=0.277), iron(r=0.106), and manganese(r=0.190). Finally, findings revealed that agricultural practices in Bishya wetland and surrounding areas, have contributed to the pollution of water quality of Bishya dam through substances of organic manures, chemical fertilizers and pesticides, crop residues, and soil sediments that are transported into the dam by erosion. The study concluded that an effort to create anti-erosions in all areas surrounding wetland, respectful of buffer zones, improving vegetation covers, creating water management bodies at cells level, increasing awareness of population about ecosystem functions, and capturing rain water from houses may effectively contribute to water quality in Bishya wetland.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
Francesca Gottschalk - How can education support child empowerment.pptxEduSkills OECD
Francesca Gottschalk from the OECD’s Centre for Educational Research and Innovation presents at the Ask an Expert Webinar: How can education support child empowerment?
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
Honest Reviews of Tim Han LMA Course Program.pptxtimhan337
Personal development courses are widely available today, with each one promising life-changing outcomes. Tim Han’s Life Mastery Achievers (LMA) Course has drawn a lot of interest. In addition to offering my frank assessment of Success Insider’s LMA Course, this piece examines the course’s effects via a variety of Tim Han LMA course reviews and Success Insider comments.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
A Review Of Environmental Effects Of Surface Water Pollution
1. International Journal of Advanced Engineering Research and Science (IJAERS) [Vol-4, Issue-12, Dec- 2017]
https://dx.doi.org/10.22161/ijaers.4.12.21 ISSN: 2349-6495(P) | 2456-1908(O)
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A Review of Environmental Effects of Surface
Water Pollution
Igwe, P.U.*; Chukwudi, C.C.; Ifenatuorah, F.C.; Fagbeja, I.F.; Okeke, C.A.
Department of Environmental Management, Chukwuemeka Odumegwu Ojukwu University, P.M.B. 02, Uli, Anambra State,
Nigeria
Abstract—Water is life without pollution, but death when it
is polluted. The objective of this study is to conduct a
literature review of environmental effects of surface water
pollution. The method used for this study is a review of
academic journal articles, internet materials, textbooks,
bulletins, conference papers, project reports and publicly
available materials on the environmental effects of surface
water pollution. All previous authors whose works were
reviewed agreed that anthropogenic activities greatly
contributed to surface water pollution and spatial variation
of physicochemical parameters over time and location more
than other sources in terms of both chemical and physical
water pollutants that indicated elevated values of major
chemical parameters (lead, cadmium, chromium, copper
and some anions) beyond the permissible/threshold limits
set by regulatory bodies. They also had a unity of opinion
that the parameters have adverse effects on human plants,
aquatic and physical environment. From the review and
based on the results of the previous studies, this study
concludes that most surface waters across the globe are
polluted and as such must be treated before use both for
domestic and industrial purposes to avoid the spread of
epidemics that can lead to deaths of humans who are the
most precious of all creatures. Recommendations of the
study include: (1) regular review of environmental effects of
surface water pollution by researchers to indicate the trend
in pollutional loads of rivers and streams across the globe;
(2) strict enforcement of regulations water quality
standards and (3) regular monitoring of the environments
of water bodies by regulators and the locals.
Keywords— Surface Water, Pollution, Water Quality,
Physicochemical Parameter, Review, Sustainable Water
Management.
I. INTRODUCTION
Water occupies about 71% of the earth’s surface and yet it
is one of the scarcest commodities especially in the
developing countries of the world (Karikari and Ansa,
2006). They also stated that water is one of the most
demanded of all urban and rural amenities and it is
indispensable for man’s activities. Oketola, Adekolurejo
and Osibanjo (2010) noted that water is abundant on the
planet Earth as a whole, but fresh potable water is not
always available at the right time or the right place for
human or ecosystem use and water is undoubtedly the most
precious natural resource vital to life. Furthermore, they
opined that water is distributed in nature as surface and
ground water in different forms and sources which are
oceans, seas, rivers, streams, lakes, ponds, wells, boreholes
and springs. Rivers are among the oldest water bodies in the
world (Higler, 2012). He also noted that in most urban-rural
communities in the developing countries especially the Sub-
Saharan Africa, surface waters (rivers, streams, and lakes)
have been the most available sources of water used for
domestic purposes. The water from these sources is
contaminated with domestic, agricultural, and industrial
wastes and is likely to cause water related diseases
(Ojekunle, 2012; Ayeni, 2014).
Water is a resource that has many uses, including
recreation, transportation, hydroelectric power and
domestic, industrial and commercial uses (Kumar, 2007).
He also asserted that water also supports all forms of life
and affects our health, lifestyle, and economic well- being.
Although more than three quarters of the Earth's surface is
made up of water, only 2.8 percent of the Earth's water is
available for human consumption (Iskandar, 2010). At
present, approximately one-third of the world's people live
in countries with moderate to high water stress and the
worldwide freshwater consumption increases six fold
between the years 1900 and 1995 more than twice the rate
of population growth, thus, many parts of the world are
facing water scarcity problem due to limitation of water
resources coinciding with growing population (United
Nations Environmental Programme, UNEP, 2002).
Filkersilasie (2011) opined that the role of the river is not
primarily to carry industrial wastes but their ability to do so
is hugely exploited. He also reported that there has been
significant impairment of rivers with pollutants, rendering
the water unsuitable for beneficial purposes.
2. International Journal of Advanced Engineering Research and Science (IJAERS) [Vol-4, Issue-12, Dec- 2017]
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Rivers provide a variety of services for human populations,
including water for drinking and irrigation, recreational
opportunities, and habitat for economically important
fisheries (Leroy, 2002). The growing problem of pollution
of river ecosystem has necessitated the monitoring of water
quality (Ravindra, 2003). Fresh water is a finite resource,
essential for agriculture, industry and even human
existence, without fresh water of adequate quantity and
quality, sustainable development will not be possible
(Kumar, 2007). Rivers play a major role in assimilation or
carrying off of municipal and industrial wastewater and
runoff from agricultural land, the former constitutes of
constant polluting non- point sources whereas the later is a
seasonal phenomenon (Muduli and Panda, 2010). With the
rapid development in agriculture, mining, urbanization, and
industrialization activities, the river water contamination
with hazardous wastes and wastewater is becoming a
common phenomenon (Ali, 2012).
Rapu (2003) reported that in South Africa, over 15% of
rural dwellers depend on polluted river waters for their
domestic needs. Khalil (2005) claimed that over 70% of
people in Sudan get their water supply from surface waters,
which in most cases are polluted by agricultural chemicals
and industrial effluents. Shuaib (2007) was of the opinion
that over 40% of Nigerians depend on either polluted
surface waters or wells for their domestic activities. He also
argued that the constant use of heavily polluted water for a
long time usually results in health problems. Researchers in
different parts of the world have reported health problems
associated with prolong time use of polluted river water,
which range from dysentery, diarrhea, abortion, premature
birth, viral hepatitis and gastric and duodenal ulcers
amongst others (Oguzie and Okhagbuzo, 2010; Purnamitta,
2011).This study is therefore focused on a review of
environmental effects of surface water pollution.
1.1 Statement of the Problem
The need for good water quality has been of growing
concern in Nigeria and worldwide as anthropogenic
activities are fast degrading most water bodies, these
activities which are agricultural practices, human domestic
activities and dredging, all result in pollution of the natural
habitats of aquatic organisms (Adeloye, 2004). Rivers serve
as sinks to most wastes that result from these anthropogenic
activities (Onyegeme and Ogunka, 2015). They further
opined that as human population increases, more pressure is
put on available water resources in meeting human water
needs and for waste disposal.
Adeyemi, Adikwu, Akombu and Iyua (2009) stated that
people residing close to rivers are predominantly farmers
and occasional dredgers (sand miners). They use poultry
droppings as well as chemical fertilizers to enrich their
farmlands; these constitute pollutants which drain into the
river through run-offs. Furthermore, they were of the
opinion that most Rivers in Nigeria had in recent times
come under stress as a result of rapid urbanization. All the
domestic and industrial wastes as well as sewage from all
parts of Port Harcourt are washed into the river during run-
off (Olorode, Bamigbola, and Ogba, 2015). They further
statedthat the topography of the town slopes into the river
and drainage channels are constructed emptying into the
river. This situation may eventually lead to pollution of the
river which might have dire consequences on the
ecosystem. The physicochemical and biological parameters
of rivers vary temporally and spatially depending on the
nature and quantity of effluents they receive seasonally and
at points along their courses (Howard, 2011). Rivers may
show the same trend making the water hazardous for use at
some points or times (Olorodeet al, 2015).
1.2 Objective of the Study
The objective of this research is to conduct a review of
environmental effects of surface water pollution.
II. CONCEPTUAL FRAMEWORK: SUSTAINABLE
WATER MANAGEMENT (SWM)
This research is based on the concept of sustainable water
management (SWM). SWM is a critical component of
sustainable development, and accounts for similar issues as
sustainability. Mays (2006) defined SWM as meeting
current water demand for all water users without impairing
future supply. More specifically, SWM should contribute to
the objectives of society and maintain ecological,
environmental, and hydrologic integrity (Loucks and
Gladwell, 2002). A more holistic objective of water
management is provided in Agenda 21 (United Nations
Conference on Environment and Development, Rio de
Janero, Brazil, 3–14 June, 1992) which ensures that
adequate supplies of water of good quality are maintained
for the entire population of the planet, while preserving the
hydrological, biological and chemical functions of
ecosystems, adapting human activities within the capacity
limits of nature and to combat vectors of water-related
diseases.
III. METHOD
This research made use of a review of academic / journal
articles, conference papers, internet, and textbooks. The
researcher assembled twenty-five (25) materials for this
research but was able to use fifteen (15) which addressed
3. International Journal of Advanced Engineering Research and Science (IJAERS) [Vol-4, Issue-12, Dec- 2017]
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environmental effects of surface water pollution. This
enabled the researcher to make a synthesis of various
researchers’ views on environmental effects of surface
water pollution.
IV. LITERATURE REVIEW
Enetimi, Angaye and Okogbue (2016) conducted field
research on physio-chemical quality assessment of river
Orashi in Eastern Niger Delta of Nigeria and asserted that
river quality assessment is essential to the sustenance of
aquatic biodiversity, the environment and public health.
They also indicated that mild anthropogenic activities have
caused changes in parameters assessed such as iron, PH,
magnesium, calcium with increase in total dissolved solids.
Furthermore, they were of the opinion that if mitigation
measures are not put in place, anthropogenic effects could
rise beyond tolerant or permissive limits, which could affect
the sustenance of the river.Bellingham (2012), in his study
on physicochemical parameters of natural waters opined
that the concentration levels of Pb, Cd, Fe and Mn were in
surplus because fertilizers and pesticides used for
agricultural activities, manufacturing land-use along the
watershed area and other anthropogenic activities were the
major causes for the elevated concentrations of the metals in
rivers.
Tajuddin, Masaom, Yustiawati, Suhaemi, Syawal, Takeshi,
Shunitz and Masaaki (2012) conducted field research on
comparative assessment of water quality in the major rivers
of Dhaka and West Java, asserted that Bangladesh have
been considerably contaminated by heavy metals, physio-
chemical and biological pollutants. In addition, they opined
that biological pollution indicates anthropogenic sources
caused by poor sewerage system whereas the heavy metals
and physiochemical pollution indicate industrial
sources.Ugwu and Wakawa (2012) conducted field analysis
on seasonal physio-chemical parameters in River Usman
and reported that there is adverse effect of the monsoon as
well as diverse anthropogenic activities on the bacterial
population of water bodies which has led to decrease in
bacterial calculations in the heavy rain period owing to
flushing effect. Kumar (2006) conducted field research on
view of freshwater environment and revealed that high
saturation levels of dissolved oxygen and low
concentrations of phosphates nitrate, sodium and potassium
in surface waters varies as a result of season of the year.
Onyegeme Okerenta and Ogunka Nnoka (2017)conducted
field research on seasonal variations in physicochemical and
bacteriological parameters of Ulasi River, Okija, Anambra
State and stated that high value of biological oxygen
demand (BOD) and Coliform count in dry season indicated
deterioration of water quality which was due to the effluents
which showed thatfor drinking purposes, the water is not of
an ample quality in the absence of any purification; but for
other leisure activities like swimming and industrial use, the
river water was still of an adequate quality. Agbabiaka and
Oyeyiola (2012) carried out field analysis on microbial
assessments of soil sediments of Foma River, Ita-Nmo,
Ilorin, Nigeria and reported that turbidity and BOD of
surface water bodies were as a result of mining of dolomite
and soil wearing away. Onyegeme and Ogunka
(2017)conducted field study on physicochemical properties
of water quality of Imeh, Edegelem and Chokocho
communities located along Otamiri-Oche River in Etche
ethnic nationality of Rivers State, Nigeria and claimed that
parameters such as the pH, total dissolved solids (TDS),
dissolved oxygen (DO), BOD and chemical oxygen demand
(COD), alkalinity, hardness, chloride, nitrate-nitrite were
found to be abnormal due to large amount of oxygen
demanding wastes entering into the river from domestic
sources.
Iyama. and Edori (2014) undertook analysis of the water
quality of Imonite Creek in Ndoni, Rivers State, Nigeria and
claimed that the quality of a given water body is governed
by the physical, chemical and biological factors all of which
interact with one another and greatly influence its
productivity, bio monitoring in conjunction with physical
and chemical observation of water quality is potentially
useful in assessing water bodies. Rajiv, Hasna, Abdulsalam,
Kamaraand Sankar, (2012) conducted field analysis of
physicochemical and microbial different river waters in
Western Tamil Nadu, India and claimed that in order to
mitigate the impact human societies have on natural waters,
it is becoming increasingly important to implement
comprehensive monitoring regimes. He further highlighted
that monitoring water resources will quantify water quality,
identify impairments and help policy makers make land use
decisions that will not only preserve natural areas, but
improve the quality of life.
Meligaand Salifu (2014) carried out field research on
assessment of physicochemical and biological parameters of
Imaboro River, Oyo State, Ibadan, Nigeria and opined that
the pH, DO, BOD, chlorides, phosphates and nitrates has
changeable levels of pollution from unpolluted to
exceptionally-polluted levels depending on the pragmatic
seasons of the year which have a posturing danger to the
fish health and biodiversity. Dimowo, Benjamin and
Onozey (2013) conducted field research on assessment of
some physicochemical parameters of River Ogun
(Abeokuta, Ogun State, Southwestern Nigeria) in
Comparison With National and International Standards and
asserted that water surface such as faecal coliform bacteria,
4. International Journal of Advanced Engineering Research and Science (IJAERS) [Vol-4, Issue-12, Dec- 2017]
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in the satisfactory limit set by the World Health
Organization (WHO) for drinking water, metals such as
lead and iron and physical characteristics such as turbidity
and oil and grease, had been surpassed at all the sites they
studied leading to extremely contaminated/poor condition
for drinking or domestic use.
Cosmas, Ahamefula, Ahiarakwem, Samuel and Onyekuru
(2015) conducted research on comparative assessment of
the physicochemical and microbial trends in Njaba River,
Niger Delta Basin, Southeastern Nigeria and reported that
industrial activity and its effluent have contaminated surface
water with large amount of heavy metals (Mn,Cr, Cd, Ni,
Zn and Fe) ,Ca, chlorides and total hardness were in high
levels. Raja and Venkatesan (2010) carried out field
research on assessment of surface water pollution and its
impact in and around Punnam area of Karur district,
Tamilnadu, India and reported that there was variation in
the parameters like total hardness, total alkalinity, dissolved
oxygen, conductivity, and pH of surface water bodies. They
founded that dissolved oxygen was maximum during wintry
weather which was deducted as a factor of cool atmospheric
temperature. According to them, however, during the
summer season, conductivity, total hardness and total
alkalinity were found to be at upper limits. Additionally,
they reported that most of the parameters were high in
summer which might be as a result of hot temperature, high
loss and small water level and lowest in wintry weather due
to improved water level.
Table.1: Summary of Characteristics of some of the Studies on Pollution of Surface Water
S/
N
Auth
or(s)
Topic of the
research
Method(s
)
Results Recommendation(s) Conclusion
1.
Rajiv,
Hasn
a,
Abdu
lsala
m,
Kama
ra
and
Physicochem
ical and
Microbial
Analysis of
Different
River Waters
in Western
Tamil Nadu,
India.
Laborator
y analysis
and
questionn
aire
Turbidity and BOD
showed elevated values
compared to limits.
Maximum values of
magnesium and calcium
may be credited to the
mining of dolomite and
soil wearing away.
This study would help
to create and develop
awareness among the
people to maintain the
quality of the river
waters. Water quality
monitoring and
management should
be in place in order to
Results obtained showed
slight variations between
water qualities of the rivers.
The comparative analysis
suggests the distinct nature of
different river water and it
depends on geographical
location, time zone and
geological foundation.
2.
Dimo
wo,
(2013
).
Assessment
of Some
Physicochem
ical
Parameters
of River
Ogun
Laborator
y analysis
and
questionn
aire
The result showed that
dissolved oxygen,
hydrogen ion
concentration, total
hardness and nitrate
were above the
maximum permissible
To prevent mass
extinction of aquatic
organisms due to
anoxic conditions,
proper regulations
should be
implemented to reduce
Since most of the parameters
measured were above the
maximum permissible limits
of the national and
international standards, it can
be concluded that the water is
unfit for domestic uses,
3.
Melig
a,
Salifu
(2014
)
Assessment
of
Physicochem
ical and
Biological
Parameters
of Imaboro
Laborator
y analysis
and
questionn
aire
The mean observations
for the various water
quality parameters in the
sampled months of June
People should be
sensitized on the
danger of dumping
refuse inside the river,
molecular techniques
be adopted for
accurate identification
Most physicochemical
parameters of Imaboro river
fall within permissible limits.
However, the water showed
evidence of pollution.
4.
Iyam
a. and
Edori
(2014
)
Analysis of
the Water
Quality of
Imonite
Creek in
Ndoni,
Rivers State,
Nigeria
Physical
observati
on,
laborator
y analysis
The mean observations
for the various water
quality parameters in the
sampled months of June,
September, November
and January respectively
are BOD, mg/l (0.27,
0.28, 0.33, 0.33), DO
mg/l (3.8, 3.78, 2.72,
2.73), pH (7.43, 7.53,
The local authorities
should make
provisions for task
forces to ensure strict
compliance by the
natives on water
quality standard.
The relatively lower
concentrations of heavy
metals and TDS indicated
that the Imonite Creek was
not polluted by the organic
and inorganic contaminants
entering the water body
around Ndoni in the Niger
Delta of Nigeria.
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5. Cosm
as,
Aham
efula,
Ahiar
akwe
m,
Samu
el and
Onye
kuru
A
Comparative
Assessment
of the
Physicochem
ical and
Microbial
Trends in
Njaba River,
Niger Delta
Basin,
Laborator
y analysis
and
questionn
aire
Results of the analyses
indicated that average
pH, electrical
conductivity and the
Total Dissolved Solids
(TDS) of the Njaba
River in 2003 were 6.3,
22 µS/cm and 13.5 mg/l,
respectively. Mean
values in 2008 for the
same parameters were
The pH can be
corrected (raised)
using sodium
bicarbonate (soda ash)
while the microbial
assay can be improved
upon by boiling and
subjection to treatment
using chlorine
The physical and bio-
chemical properties of the
Njaba River water samples
within the period (2003 to
2008) under investigation
indicated an increase (at a
slow rate) of contaminant
loads. The trend indicated
some environmental
problems (low pH, poor
microbial assay and
6.
Onye
geme
Okere
nta
and
Ogun
ka
Nnok
a
(2017
)
Seasonal
Variations in
Physicochem
ical and
Bacteriologi
cal
Parameters
of Ulasi
River, Okija,
Anambra
State.
Water
sampling
and
laborator
y
analysis.
Results obtained for
turbidity are 205 ± 0.70
(downstream), 25.70 ±
0.00 (upstream) for wet
season and 138 ±0.60
(downstream).
A management plan to
restrict the dumping of
wastes into Ulasi
River is needed.
Educating the people
was also
recommended and
strict enforcement of
laws.
This study demonstrates the
influence of rural land use
and seasonal effect on water
quality in Ulasi River. The
data clearly shows that the
downstream is more polluted
than upstream.
7.
Agba
biaka
and
Oyeyi
ola
(2012
)
Microbial
Assessments
of Soil
Sediments of
Foma River,
Ita-Nmo,
Ilorin,
Nigeria.
Water
sampling
and
laborator
y
analysis.
pH values were
generally in the optimal
range of 6.14 - 7.97;
Dissolved solids values
expressed in mg/l were
generally high
throughout the months
with a range of120 –
7800 mg/l and
Temperature values
expressed in 0C ranged
–
The local authorities
should make
provisions for task
forces to ensure strict
compliance by the
natives on water
quality standard.
Pollution of surface water
occurs when too much of an
undesirable or harmful
substance flows into a body
of water, exceeding the
natural ability of that water
body to remove the
undesirable material, dilute it
to a harmless concentration,
or convert it to a harmless
form. This can be from point
8.
Eneti
mi,
Anga
ye
and
Okog
bue
(2016
)
Physicochem
ical quality
assessment
of river
Orashi in
Eastern
Niger Delta
of Nigeria
Laborator
y analysis
and field
observati
on
Results of sampling
showed that temperature
of the river ranged from
26.77 - 28.07 and 26.37 -
27.13oC in dry and wet
seasons respectively.
The pH of the sampling
stations in this study,
was lower in dry season
(6.21 - 6.52) and higher
in wet season (6.98 -
Sensitization of people
residing around the
river and government
Intervention aimed at
cushioning
anthropogenic
activities around the
river.
River quality assessment is
essential to the sustenance of
biodiversity, the environment
and public health. Our results
showed that the river quality
assessment of Orashi river
indicated mild anthropogenic
activities in terms of
parameters assessed.
However, if mitigation
measures are not put in place,
9.
Rajaa
ndVe
nkate
san
(2010
).
Assessment
of surface
water
Pollution
and
itsImpact in
and around
Punnam
Area
ofKarur
District,
Laborator
y analysis
and
review of
related
literature
The pH values of all the
sample shows in the
range of pH 7.3 to 8.7,
which indicates they
were within the desirable
limit except sample 6.
The mild alkalinity may
be due to the bi-
carbonates. The
alkalinity of the samples
1, 2, 4 and 7are found to
It is suggested to
exercise all the
necessary precaution
before the water is
used for drinking and
irrigation. Otherwise,
it may lead to much
adverse health effect.
The water quality parameter
of the various areas around
Punnam clearly indicates that
the water samples are highly
polluted. It is observed that
the water taken from
PasupathipalayamKulathur,
Chathiram are alarmingly get
polluted followed by
Kuttakadai. These are as
situated nearer to the textile
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1
0.
Tajud
din,
Masa
om,
Yusti
awati,
Suhae
mi,
Syaw
al,
Takes
Comparative
Assessment
of Water
Quality in
the Major
Rivers of
Dhaka and
West Java
Water
sampling
and
laborator
y analysis
The pH value was
ranging from 7.1–8.4 for
the sampling points in
both countries. It can be
seen that the ionic
environment in rivers are
identical and lies within
the standard range
recommended by the
WHO. Conductivity is a
measurement of the
The result of the study
suggests there is
urgent need for
systematic monitoring
along with
remediation to reduce
pollutant inputs and by
developing functional
sewage treatment
plant.
It is concluded from the
present study that the rivers in
West Java, Indonesia and
Dhaka, Bangladesh have been
considerably contaminated by
heavy metals, physiochemical
and biological pollutants. The
biological pollution indicates
anthropogenic sources caused
by poor sewerage system
whereas the heavy metals and
Source: Researchers’ design, 2017
V. RESULTS AND DISCUSSION
Water is a key component of the environment which its
quality must be maintained and free from pollution. From
Table 1, all the topics reviewed are relevant to
environmental effects of surface water pollution. The
researchers (eg. Dimowo, 2013; Enetimi, Angaye and
Okogbue, 2016; and Iyama. and Edori, 2014) made use of
standard method including questionnaire, review of related
literature, sampling and laboratory analysis for obtaining
data and information from the field. Previous studies by
authors showed that surface water pollution arises from
anthropogenic activities by transporting sediments from
different land uses into nearby surface water bodies.
Various authors were of convergent view that surface water
parameters such as PH, BOD, COD, TDS and turbidity
varies with season of the year (i.e.) dry and rainy season.
Iyama. and Edori (2014) and Dimowo (2013) had similar
view that BOD and COD of surface water has reduce
because of the quantum on organic and inorganic wastes
deposited inside rivers. Authors such as Meliga and Salifu
(2014) and Enetimi, Angaye and Okogbue, (2016) have
unity of opinion that sensitizing people on the dangers of
dumping refuse inside the river should be adopted for to
reduce the level of pollution and contamination in surface
water bodies while others (Agbabiaka and Oyeyiola, 2012;
and Onyegeme Okerenta and Ogunka Nnoka, 2017) were of
the view that task forces should be employed to ensure strict
compliance by the natives to maintain water quality
standard.
Generally, it is of common knowledge that regions with
high human population and high rate of urbanization tends
to suffer more of surface water pollution because
individuals and industries has a mindset that surface water
bodies are dumpsite for disposing off their waste. This is
because, in global context, many people see water body as
industrial dustbin since they channel out their industrial
effluents in them for easier waste discharge which is of
great environmental cost.
VI. RECOMMENDATIONS
From the reviewed literatures and based on the results the
following recommendations are made not only to enhance
the water quality and the environment, but also to protect
the health of the people who depend on these surface water
bodies for their living:
1. Management plan to restrict the dumping of wastes into
surface water bodies is needed in order to reduce the
impact on water quality and pollution related health
problems. This can be achieved through effective waste
management strategy and provision of reliable public
water supply.
2. Regular monitoring exercises should be carried out by
enforcement agencies and the locals on the activities
along the river bank in order to ensure those effluents
standards and other sanitary conditions are complied
with.
3. Regulators of environmental and public health standards
should put in place functional measures to enforce the
already established standards not just only by punishing
offenders, but also by rewarding/acknowledging
compliance.
4. Regular review of environmental effects of surface water
pollution should be conducted by researchers to indicate
the trend in pollutional loads of rivers, stream and lakes
across the globe.
VII. CONCLUSION
This paper discussed the environmental effects and
physicochemical characteristics of surface water pollution
through a review of works of previous authors. Previous
authors viewed water pollution as a threat to the survival of
the environment and mankind. They argued that
anthropogenic activities are the major factor of water
11
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pollution. River quality assessment is essential to the
sustenance of biodiversity, the environment and public
health. Results of the quality assessment of rivers indicated
mild anthropogenic activities in terms of parameters
assessed. However, if mitigation measures are not put in
place, anthropogenic effects could rise beyond tolerant or
permissive limits, which could affect the biodiversity
VIII. ACKNOWLEDGEMENT
We appreciate the grace and empowerment of God
Almighty who has been our source of strength from
beginning to completion of this work. We also commend
the effort of the relations, friends and well- wishers of the
authors who contributed both financially and otherwise for
making this review a success. Our gratitude extends to the
Vice chancellor and the entire stakeholders of
Chukwuemeka Odumegwu Ojukwu University, Uli,
Anambra State, Nigeria for providing a platform for the
study of Environmental Management. To all the lecturers,
head of department and dean of the Environmental
Sciences, we appreciate their collective efforts in making
sure that the goal of environmental management is achieved
in the institution. We are highly indebted to the chief
author, Mr. Igwe, P.U. for his tireless effort towards an
extensive research on the materials used for the review. We
cannot fail to commend and appreciate the works of various
authors used for the review. Finally, we thank the entire
students of Environmental Management especially her final
year students for their support throughout the review.
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