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WWRC 96-13
Global Positioning System-Based Mapping of Public Water System Facilities in Wyoming


In recognition of the U.S. Environmental Protection Agency's (USEPA) recently adopted ground-water protection strategy (USEPA 1991), the Water Quality Division (WQD) of the Wyoming Department of Environmental Quality (DEQ) has placed a priority on the development of a spatially-referenced database for the coordinate locations of all groundwater-based sources (i.e., wellhead and springs) for community and noncommunity public water system (PWS) facilities in Wyoming. Additionally, in order to plan and implement groundwater quality protection programs, such as the Wyoming State Wellhead Protection Program, there is a need to assemble readily available digital data related to PWS facilities and sources. A substantial amount of work has already been directed toward this goal by the USEPA through the development of the Safe Drinking Water Program Database. This relational database has an assortment of tables associated with PWS systems, including (representing): identification information, locational information, construction information, permit tracking, inspection/operation information, and enforcement/compliance tracking. To spatially reference this data, it becomes necessary that the locations for each PWS source are accurately located and incorporated within USEPA's database.

In September of 1995, the Wyoming Department of Environmental Quality, Water Quality Division (WDEQ/WQD) contracted with the Wyoming Water Resources Center (WWRC) at the University of Wyoming to establish locations for a portion of the remaining groundwater sources within the USEPA PWS database. Dates of the contract were Oct. 1, 1995 to Dec. 31, 1996 with the majority of field work being accomplished from May, 1996 to September, 1996. Within this final report the tasks and methodologies employed throughout the contract period are described.

96-13 Table of Contents
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