Domestic well database development and integration into a GIS: an approach for managing ground water resources

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Courtesy of IWA Publishing

Connecticut is dominated by rural communities which rely upon individual domestic wells in fractured crystalline bedrock for water supply. The individualized nature of ground water usage has made ground water resource planning on a regional or townwide basis non-existent. In recent years there has been increased development and concerns expressed regarding the sustainability of the fractured crystalline rock water supply and its quality, and the need for ground water resource planning. In this study, using a rural quadrangle in eastern Connecticut, we have developed a database system that is tied to a geographic information system that can be used to help manage and assess ground water conditions. The data in the database were derived using available water completion reports and water quality reports. Data query schemes were developed to screen for data entry and reporting errors. The information maintained in the database has been analyzed to derive products on well yield, well depth, and water elevation. These products are beneficial to town planners, local sanitarians, developers, homeowners, and drillers. They can improve and facilitate decision-making concerning future rural development to ensure ground water sustainability.

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