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Showing 1 to 20 of 49 for “"well water"”.
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Assessing the Contamination Risk of Private Well Water Supplies in Virginia
When well water becomes contaminated to the extent that is does not meet EPA drinking water quality standards, it is considered unsafe for consumption. Nitrate and total coliform bacteria are both health contaminants and are both regulated in public water systems. A nitrate concentration of 10 mg/L …
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Information as an Environmental Policy Instrument: Examining Household Response to Arsenic in Tube-Well Water in Araihazar, Bangladesh
… reduces human exposure to arsenic in drinking-water in Bangladesh. In chapter 2, the longer-term effects of the countrywide arsenic-testing and information-program are examined by tracking tube-well switching behavior of households over a five-year period. Chapter 3 focuses on the effects of …
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Opportunistic Pathogens and the Brain-eating Amoeba, Naegleria fowleri in Reclaimed Water, Municipal Drinking Water, and Private Well Water
… and are known to grow in both drinking water and reclaimed water (i.e., non-potable recycled water) distribution systems, with aerosol inhalation and other non-ingestion exposures that are not addressed by existing regulatory frameworks. Factors enabling the growth of OPs in water …
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Emerging Contaminants: Occurrence of ECs in Two Virginia Counties Private Well Water Supplies and Their Removal from Secondary Wastewater Effluent
… environmental matrices, including drinking water supplies at trace concentrations (ng/L-ug/L or ng/kg-ug/kg). Current wastewater treatment plant technology is largely ineffective at removing ECs. The objectives of this investigation were to: 1) determine the occurrence of ECs in private well …
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Changes in Soil Salinity Levels with the Use of Recycled Water on Cool Season Vegetables
… dollar industry. Near the coast, seawater intrusion has threatened to degrade the groundwater quality due to over-pumping of the aquifer. The Monterey Regional Water Pollution Control Agency (MRWPCA), in partnership with the Monterey County Water Resources Agency, has provided …
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Hydrogen sulphide in the well waters of Chicago and vicinity
Made available in DSpace on 2017-11-30T22:11:15Z (GMT). No. of bitstreams: 2 5990991.pdf: 4362844 bytes, checksum: 07d6623c0ec052c96aa444385f6a4785 (MD5) license.txt: 4813 bytes, checksum: 715c4321821a960fa1a1e91d2ac7ebce (MD5) Previous issue date: 1915
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A metals study to assess human health risks in drinking water from Eastport, Perry, and Pleasant Point, Maine
This study analyzed drinking water for a subset of health concerns expressed by residents in the towns of Eastport, Perry, and Pleasant Point. The town of Pleasant Point is located in the Passamaquoddy tribe's reservation, and all three towns are located in the Boyden Lake watershed in Maine. Water …
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Source of saline groundwater in basal Pennsylvanian sandstones, southwestern Illinois: Implications for fluid mixing and water-rock interactions
Saline groundwater is common in basal Pennsylvanian sandstones in southwestern Illinois. It is an environmental concern because well water is an important source of drinking water for local residents and farms. The origin of this saline groundwater is poorly understood. In this study, I combine …
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Beyond Water Regulation: Contamination of Private Wells, Citizen Science, and Corrosion of Household Plumbing
The US Safe Drinking Water Act (SDWA), established in 1974, has improved water quality nationwide through the introduction of maximum contaminant levels, source water protection, and treatment guidelines and requirements. Despite the obvious success many important water quality issues are not …
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Economic Analysis of Conjunctive Use of Water: The Case of Mahi-Kadana Irrigation Project in Gujarat, India
… systems in India are typically operated so all water demands of farmers are not met. This has lead to private investments in groundwater. Since private well capacity often exceeds the water needs of farm-well owners a significant portion of the ground irrigation water is sold to neighboring …
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An investigation on the removal of escherichia coli by ion exchange resins
… exchange resins to remove Escherichia coli from water. The objective was to obtain a method of purifying slightly polluted, private well water supplies. The investigation consisted of passing water samples, inoculated with known concentrations of Escherichia coli, through resin columns of known …
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Sources of arsenic and lead in drinking water of Eastport, Perry, and Pleasant Point, Maine
Lead and arsenic in drinking water are a health risk to communities throughout the world; lead can be a problem in houses with old piping systems with either lead piping or 50/50 lead solder, and groundwater in Maine contains high arsenic concentrations. This study sought to determine the …
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The effect of spray adjuvants on the phytotoxicity of herbicides
… the plants were irrigated or were kept under water stress. Under field conditions there were no decreases in seed yield of barley, wheat, rapeseed and flax, when additional surfactants were included in a tank-mix with several different herbicides applied postemergence. There were no …
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Human health risk assessment of exposure to cadmium, lead and chromium through consumption of well and bottled water in Lusaka district, Zambia.
Water is an essential product for human survival, which all age groups consume and access to safe drinking water is essential to health. Safe drinking water implies that the water does not represent any significant risk to health over a lifetime of consumption, including different sensitivities …
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Human health risk assessment of exposure to cadmium, lead and chromium through consumption of well and bottled water in Lusaka district, Zambia.
Water is an essential product for human survival, which all age groups consume and access to safe drinking water is essential to health. Safe drinking water implies that the water does not represent any significant risk to health over a lifetime of consumption, including different sensitivities …
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Assessing the behavioral response of Westslope Cutthroat Trout to olfactory cues in a two-choice Y-maze
… produced by WCT from the second population, and water obtained from each population’s natal stream. The water Kings Lake WCT were reared in for one year at the Spokane Hatchery was also used. A meta-regression was used to determine if WCT preferred an arm in the Y-maze when no odor was present, …
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Texas Ranch
… walls begin at a wind pump tower which provides well water for horses to drink and bathe in. A clear structural hierarchy exists in the buildings. I was interested in the relationship between the stacking of the walls and making a framework out of wood and steel. Details were resolved with …
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Characterization of opportunistic Pathogens in Drinking Water Supplied by Private Wells
Private wells are understudied potential sources of opportunistic pathogen (OP) infections. OPs, including Legionella and Mycobacterium, are of particular concern for immunocompromised individuals and are known to proliferate in drinking water systems. Much of our knowledge surrounding OP …
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Removal of Arsenic Using Iron Coated Limestone
<p>Arsenic contamination in drinking water is a severe problem worldwide. The best way to prevent hazardous diseases from chronic arsenic exposure is to remove the exposure. Efforts to remediate arsenic in drinking water have taken two tracks. One is to provide surface or shallow well water sources …
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The investigation and development of ground waters
Made available in DSpace on 2014-09-18T16:10:19Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) investigationdev00enge.pdf: 7068359 bytes, checksum: 68b03de2bd5b32a2b483da6957ded9da (MD5) Previous issue date: 1916
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