Protocol for a State-Wide Ground Water Quality Monitoring Program and Establishment of a Ground Water Quality Data Clearing House.

Abstract

(Water Management, Pollution – General)

In 1997, the Colorado Water Quality Control Commission concluded that a comprehensive state groundwater protection plan was needed for adequate groundwater quality protection. The study was conducted to identify aquifers that complied with the Domestic Use-Quality criteria, gather data on wellhead protection plans, and determine projected areas of state growth. Study results were obtained using existing government databases, reports, and records, and other data sources. Total dissolved solids (TDS) levels were the primary data filter used in the study. The TDS filtering limit for high quality drinking water was set at 0 to 500 ppm, with 0 to 100 ppm being pristine quality. The South Platte River alluvial aquifer, including Boulder Creek; Fountain Creek alluvial aquifer, including upper Black Squirrel Creek Basin; and Arkansas River Valley alluvial aquifer yielded high quality water. The Denver Basin; San Luis Basin, including Conejos River Subbasin; lower Gunnison River Basin; and West Slope fractured rock and alluvium also contained high quality water. The wells cited yielded TDS values mostly in the range of 200 ppm to 400ppm. Seventeen of the total 271 wells cited yielded pristine water quality and were located in the Winter Park area. Boulder Basin. San Luis Valley unconfined aquifer, and lower Gunnison River Basin. In 1998, the Colorado Wellhead Protection Program monitored 167 public water supply systems processing wellhead protection plans (WHPP), with four plans completed and approved. The approved WHP plans were located at Eads in Kiowa County. Karvel in Lincoln County, Vilas in Baca County, and Swink in Otero County. Overall, the Arkansas-Rio Grande and South Platte watershed regions were the most active in developing WHP plans, with 11 and 10 plans submitted, respectively.

Link: http://md1.csa.com/partners/viewrecord.php?requester=gs&collection=ENV&recid=6433904&q=upper+south+platte+watershed&uid=790277401&setcookie=yes

O’Keeffe, N. & Cardon, G. (2004).

Colorado Water Resources Research Institute Completion Report, no. 199.

 

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