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WSP03558
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Last modified
1/26/2010 12:51:02 PM
Creation date
10/11/2006 11:49:45 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8149.700
Description
Miscellaneous Small Projects and Project Studies Homestake Project
State
CO
Basin
Arkansas
Water Division
2
Date
2/1/1955
Author
John P Elliott
Title
Homestake Creek Transmountain Diversion Project of John P Elliott Consulting Engineer
Water Supply Pro - Doc Type
Report/Study
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<br />OJ19Ql <br /> <br />copy <br /> <br />4 <br /> <br />Runoff from 7.2 square miles of the 34 is included in the flow of <br />Homestake Creek at the Redcliff gaging station. <br />The total drainage area between the Gold Park and Redcliff <br />gages is 25.7 square miles. The average runoff originating between <br />the gages is 11,400 acre-feet for the years 1945-1953. It is <br />estimated on the basis of the topography that the average runoff <br />per square mile for the 7.2 square mile portion of Area 2 will <br />be at twice the rate as for the remaining 18.5 square miles <br />between the two gaging stations, or about 700 acre-feet per square <br />mile for the 1945-1953 period. <br />With respect to the additional 26.8 square miles of Area 2, <br />there are no gaging stations on the Eagle River so situated as to <br />permit the segregation of streamflow contribution by Cross Creek. <br />Since the average elevation of the area is slightly higher than <br />that of the adjacent Area 1, it is assumed that the average May- <br />July runoff above the collection system would be at the rate of <br />1350 acre-feet per square mile for a period such as 1945-1953. <br />Application of the respective runoff rates to the two portions of <br />Area 2 results in an average of about 41,000 acre-feet of water <br />production for this 9 year period. This amount would also be <br />representative of a long time period such as 1911-1953. The <br />same percentages as above mentioned for Area 1 m~y be used to <br />calculate runoff for periods such as the last 20 years and a low <br />streamflow decade such as 1931-1940. <br />This average May-July runoff above the collection system <br />for Area 2 is thus estimated to be the same as for Area 1, <br />although the former is the larger in extent by about 2 square <br />
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