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 17 of 17 for “"Water Quality Testing"”.
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Health and water quality monitoring of Pure Home Water's ceramic filter dissemination in the northern region of Ghana
Pure Home Water (PHW) is a social enterprise that promotes and disseminates household drinking water technologies in the Northern Region of Ghana. Currently their main product is a pot-shaped Potters for Peace-type ceramic water filter, locally known as the Kosim filter. This study used household …
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Use and performance of BioSand filters in Posoltega, Nicaragua
… of BioSand Filters, a method of Household Water Treatment, was conducted in Posoltega, Nicaragua, with objectives of determining the long-term filtration efficiency and the rate of sustained use. Field methods included microbial and turbidity water quality testing and interviews with filter …
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Recommendations for at-risk water supplies in Capiz Province, Philippines : using water source and community assessments
… for expert advice to support its drinking water quality testing program. Civil and Environmental Engineering Department Senior Lecturer, Susan Murcott, recommended specific state-of-the-art test methods for quantification of E.coli in drinking water as well as the involvement of a …
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Globalization On the Ground: Health, Development, and Volunteerism in Meatu, Tanzania
… services. AHEAD has recently developed a water quality testing initiative in order to combat unsafe water supplies using solar pasteurization. Dr. Robert Metcalf, an AHEAD volunteer offers "expertise" to Meatu through transfer of solar cooking technology. Each summer, AHEAD takes …
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Design and Development of Scalable Solar Powered Water Purification Systems for Developing Nations
… the design and development of solar powered water purification systems. The systems were designed to meet specific customer requirements that were established from the experiences gained after the installation of five water purification systems in various Haitian communities. The systems are …
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Predicting and Equipping Private Well Owners at Risk of Microbial Contamination After Flooding Events in the Alabama Black Belt
… bear the sole responsibility for ensuring the quality of their water supply. The Environmental Protection Agency (EPA) does not have regulations in place for private wells. While state government programs provide guidance on well treatment and testing, the obligation lies on well-owners to …
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Environmental Justice in Virginia’ s Rural Drinking Water: Analysis of Nitrate Concentrations and Bacteria Prevalence in the Household Wells of Augusta and Louisa County Residents
… have equal access to uncontaminated drinking water by socio-economic status. Statistical associations were developed with the total value of each residence based on county tax assessment data as the independent variable to explain levels of nitrate, the presence of bacteria (total coliform and …
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Using Coagulation to Enhance the Performance of Filtration at the South Truckee Meadows Water Reclamation Facility
… of the proposed treatment to improve the overall quality of the reuse water at the South Truckee Meadows Water Reclamation Facility (STMWRF) in Reno, Nevada. Extensive jar testing was conducted on the water returning from Huffaker Reservoir and the effluent from the secondary clarifiers to …
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POTENTIAL FOR USE OF EFFLUENT WASTEWATER TREATED BY SOIL AQUIFER TREATMENT IN BANNING, CALIFORNIA
<p>With the ever increasing demand for potable water due to the continued increase in population coupled with the threat of California’s current drought, water will remain a limited resource that must be managed responsibly. In order to strategically plan and manage water use in the most beneficial …
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Household water treatment and safe storage options for Northern Region Ghana : consumer preference and relative cost
A range of household water treatment and safe storage (HWTS) products are available in Northern Region Ghana which have the potential to significantly improve local drinking water quality. However, to date, the region has failed to see significant HWTS product adoption and sustained use. Therefore, …
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Urban hydrological modeling of the Malden River using the Storm Water Management Model (SWMM)
… and urbanization, which has degraded the water quality and ecosystem of the River. Following years of water quality testing, community groups are concerned about the River's current state of ecological health and its safety for recreational use. A first step to understanding the River's …
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Monitoring effective use of household water treatment and safe storage technologies in Ethiopia and Ghana
Household water treatment and storage (HWTS) technologies dissemination is beginning to scale-up to reach the almost 900 million people without access to an improved water supply (WHO/UNICEF/JMP, 2008). Without well-informed and effective use as intended, these promising technologies will not be …
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Access to Water: Advancement of Multidimensional, Multiscalar, and Participatory Methods of Measurement in the Global South
This project deploys a modified Water Poverty Index (WPI) in villages reconstructed after the 2004 tsunami in southeastern India. While previous measurements of access to water have advanced understandings of waterscape complexities, this modified WPI improves past efforts and deconstructs some of …
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Spatial Analysis of La Nana Bayou Watershed to Assess Stream Health
… of using land cover mapping to identify water quality indicators within a river basin, assessing whether this method provides greater efficiency compared to traditional field-based water quality testing. Land cover mapping has efficiently monitored environmental changes by detecting …
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Study of four new, field-based, microbiological tests : verification of the hydrogen sulfide (H₂S), Easygel®, Colilert and Petrifilm(tm) tests
Currently, the U.N. defines water sources as "improved" (e.g. public taps, protected dug wells and springs, rainwater collection) and "unimproved" (e.g. surface waters, unprotected dug well and spring, and vended water). Although these water quality indicators are easy to measure, they do not …
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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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Groundwater Resource Supply Augmentation: A Case Study of Dzamba and Mabulo Villages in Vhembe District Municipality, Limpopo Province, South Africa
… Limpopo Province of South Africa is relatively water-scarce due to climate change, population growth, and economic development. It is well known that every geographical area has some inborn causes of water scarcity related to its origin, structure, geographical location, and setup. The study …