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Last modified
1/26/2010 3:15:28 PM
Creation date
10/12/2006 4:38:21 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8449.900
Description
Bear Creek
State
CO
Basin
South Platte
Date
10/10/1986
Author
Evergreen Metro Dist
Title
Preliminary Plan of Operation for Evergreen Metropolitan District - Bear Creek Reservoir
Water Supply Pro - Doc Type
Publication
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />. <br /> <br />. <br /> <br />Kassler stations. Average annual evaporation was computed <br /> <br /> <br />as the sum of monthly Cherry Creek Reservoir pan evaporation <br /> <br /> <br />times a pan coefficient, 0.7, less the monthly average of <br /> <br /> <br />precipitation recorded at Kassler and Lakewood. This <br /> <br /> <br />results in an estimated average annual net evaporation at Bear <br /> <br /> <br />Creek Reservoir of 1.90 feet. <br /> <br />It is assumed that the four entities listed herein- <br />before will make up 50 percent of the Bear Creek Reservoir <br />evaporation and that the State of Colorado will provide for <br />the remaining 50 percent of the evaporation losses. <br /> <br />As discussed in the meeting on June 19, 1979 between <br /> <br /> <br />representatives of the four entities and the Colorado <br /> <br /> <br />Department of Natural Resources, the evaporation losses will <br /> <br /> <br />be estimated corresponding to the top of silt pool elevation <br /> <br /> <br />5558 feet. Corresponding pool surface area at the silt pool <br /> <br /> <br />elevation is 105 acres. <br /> <br />The estimated average annual evaporation for the stated <br />conditions is 199.7 acre-feet. The evaporation to be made <br />up by the four entities is, therefore, 0.5 x 199.7, or <br />99.9 acre-feet. Prorating the evaporation in proportion to <br />storage requested results in the following losses to be made <br />up by the indicated entity: <br /> <br />-2- <br />
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