WWRC 93-22
Development of an Underground Injection Well Geographic Information System for Wyoming
Purpose
In 1988, the Underground Injection Control (UIC) Branch of the U.S.
Environmental Protection Agency's (USEPA) Office of Drinking Water initiated a
five-year effort to develop a, " ...national, decentralized UIC information system,"
(USEPA 1990; USEPA 1991 a). Recent "minimum data set" guidance documents
associated with the now established UIC Data Management System stipulated that all
UIC regulatory agencies work toward establishing and maintaining a spatially-referenced digital
database containing geographic coordinate location information for
all UIC facilities. Prior to establishment of this mandate, location information for UIC
facilities in Wyoming was only available in hardcopy format, and, to a limited extent,
digital tabular files. In July 1992, the Wyoming Department of Environmental Quality
(DEQ) contracted with the Wyoming Water Resources Center (WWRC) at the
University of Wyoming to create an underground injection well geographic
information system (GIS) database for the Wyoming DEQ's Underground Injection
Control (UIC) Program. Dates of the contract were August 1, 1992 to June 30, 1993,
with project work carried out by the WWRC GIS Lab over a 12-month period,
September 1992 through August 1993. This document is the project's final report,
detailing the methods employed and results obtained from the development of the GIS.
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