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WSPC01187
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Last modified
7/29/2009 7:54:41 AM
Creation date
10/9/2006 2:36:26 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8283.200
Description
Colorado River Basin-Colorado River Computer Models-Colorado River Decision Support System-Ray
State
CO
Water Division
5
Date
12/1/1996
Title
South Platte Water Rights Management System-Evaluation of SAMSON for Use in a South Platte Decision Support System
Water Supply Pro - Doc Type
Report/Study
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<br />Section 1: Introduction <br /> <br />The South Plane River basin. v.ith a drainage area of about 62,400 km2 (24,300 mil) is one oftbe <br />main tributaries of the Missouri River. Figure II, The South Platte basin is divided into tv.'o <br />regions: the Rocky Mountains and the Great Plains. The western portion of the basin comprises <br />the eastern slope of the Rockies. The eastern portion, on the plains, consists of railing hills and <br />valleys. Three States share the Basin: Colorado (79 percent), Nebraska (15 percent). and <br />Wyoming (6 percent). <br /> <br />. <br />'.",~ <br />~io" <br /> <br /> <br />_.-.....~-~ - 1C1" <br />~I-..'...: <br />"'-8. _ <br />, """'"'--:.--.~1JCtL.Il ~ <br />7.....1 .V""..-' <br />...... <br /> <br />'. <br /> <br />WYONINCl <br /> <br />""'" <br /> <br />1'EBRA9KA ,. <br /> <br /> <br />COUlRADO <br /> <br />F9n 1. l...ocation of the mJCt.f um am &liII8Ct9d cirie8 .-.:j snams in the SoUIh P!att& River Sam. <br /> <br />Most oftbe South Platte River Basin is in the State of Colorado. Since the 1990 census. <br />Colorado bas grov.n at an average of almost 2.5 percent annually. The 1992-1993 grov.th rate of <br />2.9 percent was the third highest in the nation (Colorado, 1996). Agriculture accoWlts for about <br />37 percent of the land use in the South Platte River Basin. v.ith about 1.4 million acres ofland <br />irrigated by the South Platte in Colorado. <br /> <br />According to the USGS, the estimated total off-stream water divened from the South Platte River <br />Basin in 1990 was 3.900 Mgal/d (12,000 acre-feet per day or 4.4 million acre-feet per year). Of <br />this amount. 71 percent is surface water and 29 percent is ground\\1Uer. The principal uses were <br />irrigation (70.8 percent), power generation (14.6 percent), and domestic use (8.4 percent). Large <br /> <br />I source URL = hnpJ/srv2dcolkacr.usgs.govinawqa'splt/facts.ben:s.'FSLtTKE.hun <br />
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