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CONNECTICUT GROUND WATER QUALITY CLASSIFICATIONS - WELLS
Description:
This is a 1:24,000-scale datalayer of Ground Water Quality Classifications for public supply wells in Connecticut. It is a polygon Shapefile that includes GAA areas for public water supply wells. Each polygon is assigned a GAA ground water quality class, which is stored in the data field named Wqclassp. All other ground water quality classes are stored separately in the Ground Water Quality Classifications datalayer. In Connecticut, Surface and ground water quality classifications are maintained and adopted by the Bureau of Water Management of the Department of Enviromental Protection. The adoption dates by major basin are: Housatonic and Southwest Coast - 4/97, Connecticut and South Central Coast - 2/93, Thames, Southeast Coast and Pawcatuck - 12/86. Refer to Summary of Water Quality or the Water Quality Standards and Classification (PDF,450k) for additional information. Always use Ground Water Quality Classifications - Wells with these other themes in the following order: Ground Water Quality Classifications - Wells Surface Water Quality Classification Lines Hydrography Lines Surface Water Quality Classification Polygons Hydrography Polygons Ground Water Quality Classifications EPA obtained this data from the State of Connecticut.