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C150032 El Paso Water Report
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C150032 El Paso Water Report
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Last modified
11/19/2009 11:43:31 AM
Creation date
2/21/2008 1:42:19 PM
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Template:
Loan Projects
Contract/PO #
C150032
Contractor Name
El Paso County Water Authority
Contract Type
Grant
Water District
0
County
El Paso
Loan Projects - Doc Type
Report
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<br />. <br /> <br />. <br /> <br />. <br /> <br />!' <br /> <br />, <br /> <br />2.0 Inventory of County Aquifer Resources i <br />I <br />Ground water provides much of the municipal water supplies in EI Paso County. Ground water is <br />available from many different sources; sedimentary bedrock formations, pre-C~brian granites, <br />and shallow alluvial aquifers associated with stream systems. The availability abd reliability of <br />ground water from these divergent sources is discussed in this section. I <br />' I <br />In the northern portion of EI Paso County the principal> aquifer resources are tpe sedimentary <br />, <br />bedrock aquifers of the Denver Basin. There are four principal aquifers within tpe stratigraphic <br />unit that is collectively referred to as the Denver Basin, the Dawson, the Denvet, the Arapahoe <br />I <br />and the Laramie-Fox Hills aquifers (Figure 2-1). In the southern portion of EI Paso County, <br />I <br />south of where the Denver Basin aquifers either subcrop or outcrop, the principal bedrock <br />ground water resources are found in the Dakota/Cheyenne aquifers. Along the testern edge of <br />EI Paso County, in the foothills of the Rocky Mountains, the principal bedrocl<: ground water <br />resources are found in the pre-Cambrian granitic rocks (Figure 2-1). I <br /> <br />Throughout the county there are several major stream systems which flow Jer the Denver <br />Basin, Dakota/Cheyenne and pre-Cambrian aquifers. Associated with these stre~ systems are <br />I <br />alluvial deposits which carry significant volumes of water that are currently being used by EI <br />Paso County water providers. Some of the principal alluvial aquifer systems are lassociated with <br />Fountain Creek, Monument Creek, Sand Creek, Black Squirrel Creek" and JimmylCamp Creek. <br /> <br />In this section we will provide an inventory of the county aquifer resourcJ and an initial <br />I <br />assessment of the water supply reliability of the various sources into the future. Section 4.0, <br />Identification of Water Supply Shortfalls and/or Limitations, will evaluate in kore depth the <br />reliability of currently-adjudicated water supplies of the County water providers las identified in <br />Table 1.1. , <br />I <br />, <br />I <br />I <br />2.1 Ground Water Inventory : <br />I <br />The inventory of ground water resources in the County is based on available dab in the public <br />domain, principally the records at the State Engineer's Office (SEa) :md the Denter Basin Rules <br />. I <br />Maps. The values generated in this inventory are based on the physical availability of water in <br />I <br />each of the aquifer systems evaluated. i <br />I <br /> <br />7 <br /> <br />WaterReport.doc <br /> <br />September 5, 2002 <br />
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