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WSP01596
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Last modified
1/26/2010 12:31:47 PM
Creation date
10/11/2006 10:32:56 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8449
Description
Platte River Studies
State
CO
Basin
South Platte
Date
1/1/1957
Author
RM Gilderstern/CWCB
Title
South Platte River Basin Water Supply
Water Supply Pro - Doc Type
Report/Study
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<br />. <br /> <br />. <br /> <br />- 5 - <br /> <br />Taking the mountain inflow to the basin from Tables lIa and lIb for. the period <br />1930-1955, the total is found to be 1,168,800 acre feet. Diversions plus the outflow <br /> <br />at Ju1esburg add up to 2,209,400 acre feet. The aggregate diversions for the entire <br />length of the river are about 1.66 tilnes the inflow as shown. Excluding undivertable <br /> <br />mountain inflow in years of elCceptional]y high runoff and considering the period aver- <br /> <br />ages of transmountain diversions, the ratio of total diversion to dependable mountain <br /> <br />inflow would be closer to 2 to 1. <br /> <br />Starting at the uppermost section of the main river ani continuing, section by <br /> <br />section, to Julesburg, the return flows or accretions in each water district are as <br /> <br />follows: <br /> <br />TABLE V <br /> <br />1. From South Platte, Colorado to Denver, Colorado <br />(Water District 8) <br /> <br />River Inflow - So. Platte' at So. Platte <br />Bear Creek at Mouth <br /> <br />247,400 <br />24.900 <br /> <br />Diversions <br /> <br />272,300 a. f. <br />116,400 a. f. <br /> <br />226,500 a. f. <br /> <br />River Outflow - So. Platte at Denver <br /> <br />Accretions = 70,600 a. f. or about 60% of diversions. <br /> <br />TABLE VI <br /> <br />2. From Denver, Colorado to Kersey, Colorado <br />(Water District 2) <br /> <br />River Inflow - So. Platte at Denver <br />Clear Creek at Mouth <br />St. Vrain at !1outh <br />Big Thompson at Mouth <br /> <br />Diversions <br /> <br />226,500 <br />59,500 <br />125,400 <br />36,200 <br />447,600 a. f. <br />350,700 a. f. <br /> <br />River Outflow - So. Platte at Kersey minus <br />Poudre at Mouth <br /> <br />377,400 a. f. <br /> <br />Accretions: = 280,500 a. f. <br />Minus 57,500 Sewer return at Denver <br /> <br />223,000 a. f. or 63% of diversions. <br />
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