Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 82 for “"Drinking Water Quality"”.
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Drinking Water Quality Monitoring
… detection of microbial contamination in drinking water using intrinsic fluorescence of the microorganisms. The prototype, “Blinky”, uses LEDs that emit light at 365nm, 590nm, and 635nm for ultraviolet, amber, and red light, respectively. At 365 nm, the cellular components excited include …
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Nepal drinking water quality assessment : nitrates and ammonia
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.
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Total quality management and drinking water quality: The Waikato experience
Drinking water quality is a matter of concern in New Zealand. The quality of many New Zealand water supplies has been unsatisfactory as shown by the grading conducted since 1960 by the former Board of Health. In 1991, a quarter of the supplies surveyed failed to meet the Department of Health's …
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Essays on the Economics of Drinking Water Quality and Infrastructure
… that examine consumer behavior with respect to drinking water quality issues. The first essay uses contingent valuation method to explore consumers' willingness to pay (WTP) for a hypothetical material in home drinking water infrastructure that will remain leak free. Willingness to pay is …
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Understanding the effect of intermittent water supply on drinking water quality
… are nearly 1 billion people who obtain their drinking water through piped distribution networks that operate intermittently. Intermittent Water Supply (IWS) operations allow for periods of stagnation and depressurization that create conditions favorable for biofilm growth on pipe surface. …
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Impact of Polymeric Plumbing Materials on Drinking Water Quality and Aesthetics
… common in home plumbing and other parts of the drinking water distribution system. Many taste and odor complaints in drinking water are known to originate from contact of water with materials. The ability of polymer pipes used in home plumbing to affect drinking water quality and aesthetics was …
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Data management and reporting for drinking water quality monitoring in community-managed supplies
Water Service Authorities, which may be district municipalities with hundreds of community-managed supplies under their jurisdiction, are legally responsible for ensuring the quality of water supplied to all consumers. Without the assistance of communities, this requirement, which would involve …
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The effects of the High Park fire on Cache la Poudre drinking water quality
… burned 87,284 acres in the Cache la Poudre River watershed from June 9th to June 30th, 2012. The effects of the fire not only impacted the vegetation and soil within the watershed, but also induced changes in the water quality of the Poudre River, a local drinking water source. The utilities and …
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Investigating Private Drinking Water Quality and Biomarkers of Associated Health Outcomes in Southwest Virginia
… do not have access to safely managed household drinking water. Recent research has demonstrated high rates of the US Environmental Protection Agency's (EPA) Safe Drinking Water Act (SDWA) violations in rural areas and heavy dependence on private systems that are not subject to SDWA monitoring …
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Cryptosporidium sp. and Giardia sp. in the St. Lawrence River: Impact on drinking water quality.
… sp. and Giardia sp. in raw and treated water supplies on the St. Lawrence River; (b) to find a suitable microbial indicator for the presence of Cryptosporidium sp. and Giardia sp. in raw water; (c) to measure the survival capability of Cryptosporidium parvum in both the raw water and the …
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Effects of installing point-of-use filters intended for lead removal on drinking water quality
Defects in the aging drinking water distribution system can lead to elevated concentrations of toxic metals and harmful microorganisms that pose a risk to human health. Premise plumbing systems can be sites of elevated lead concentrations from lead service lines and are favorable environments for …
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A field-based study of alternative microbial indicator tests for drinking water quality in Northern Ghana
Safe drinking water is essential for human survival, yet it is unavailable to over 1 billion of the world's people living in poverty (World Bank, 2009). The current methods used to identify drinking water sources are inadequate, with almost 40 percent of "safe" sources containing unsafe levels of …
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The Effectiveness of Point-of-Use Treatment in Improving Home Drinking Water Quality in Rural Households
Despite claims of nearly 100% access to potable drinking water in the US, issues of drinking water quality, accessibility, and equity persist in many regions of the country. Drinking water is a common health concern in rural communities, where social, geographic, and economic challenges can inhibit …
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Advancing Rural Public Health: From Drinking Water Quality and Health Outcome Meta-analyses to Wastewater-based Pathogen Monitoring
… on private, non-federally regulated, primary drinking water sources. Chronic conditions prevalent in rural communities such as diabetes and hypertension are frequently linked with longer duration and higher severity of symptoms than in urban areas; this association suggests that the risk of …
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An Investigation of Heavy Metal Pollution Impact on Drinking Water Quality in the Birim River Sub-Basin of Ghana
… by Artisanal and Small-scale Mining (ASM) to the quality of drinking water in Ghana has become a major public concern due to the many harmful chemicals used in the process. This study aimed to investigate heavy metal pollution in the Birim River Sub-Basin and develop a community participation …
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Comparison of EC-Kit with Quanti-Tray[tm] : testing, verification, and drinking water quality mapping in Capiz Province, Philippines
… First, it verifies the EC-Kit under different water source conditions by comparing it to a laboratory standard method, the IDEXX Quanti-Tray[tm]. The EC-Kit is a simple, inexpensive field test kit that contains complementary tests for Escherichia coli and total coliform: the Colilert[tm] …
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An Assessment of the Effectiveness of Water Quality Monitoring and Drinking Water Quality Compliance by Environmental Health Practitioners at Selected Metropolitan and District Municipalities in South Africa during 2013-2014
Access to safe drinking water is a basic right accorded to all people, and their well-being is critically dependent on both the quality of water and its availability, and how well these are managed. Water quality monitoring is an important activity for ensuring water supplied to the community is …
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