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WSP06371
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Last modified
1/26/2010 2:22:27 PM
Creation date
10/12/2006 1:35:33 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8276.750
Description
Colorado River-Salinity Projects and Issues Located in Colorado-Mancos Valley
State
CO
Basin
San Juan/Dolores
Water Division
7
Date
5/25/1938
Author
BOR FCMerriell
Title
The Mancos Project-Western Slope Surveys-Colorado-A Supplemental Report to the Mancos Project Report of May 1 1937
Water Supply Pro - Doc Type
Report/Study
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<br />. <br /> <br />., <br /> <br />The resulting storable flow at Weber Roservoir by months <br /> <br />for the periods of record at Mancos, and by years for the period <br /> <br />when Mancos record is lacking, appears in Table 6. <br /> <br />Storable Flow at Jacks'ln Glllch Reserv0ir <br /> <br />By reference to the tamllation on page 15 showing the <br /> <br />distribution of flow betV'een the several forks of l&'1ncos River, <br /> <br />it appears that the flow of West Mancos River is 65.511. of the <br />flow at Mancos gaging station. The puint of diversion to Jackson <br /> <br />Gulch Reserv')ir is ab',ut six miles upstre8_'ll and the intervening <br /> <br />ar8a is one of lcw runGff comparGble to the area between ~~cos <br /> <br />and Towaoc, so that 64.7~ of the flow nt Mancos ga~e is avail- <br /> <br />able at the pGint of div"rsion. <br /> <br />Storable flGW at this diversion pccint during the years <br /> <br />of record at Mancos W3S C(!n:puted '"IS fc.llows: "fter ~Aay 1, gaging <br /> <br />st'"lti'm flow in excess of 120 seccmd-feet ""'"s c0nsidered storable <br /> <br />until flow at the gGge re"-ches 270 secund-feet. The capacity <br /> <br />of the feeder canal being 150 second-feet, n flow of 270 second- <br /> <br />feet or more provides 150 second-feet of storable ",at.or. No greater <br /> <br />cnpacity is needed to fill J'-,ckson Gulch Reservoir in yenrs when it <br /> <br />will fill, and in years of low runoff flow 3t the gage exceeds 270 <br /> <br />sec<,nd-feet fDr only 8 few dBYs, if Bt Dll, SD th'lt very little <br /> <br />wnter is really lost in such yeqrs. No water is storable after <br /> <br />June, eXcDpt runoff frccm short storms which could net, as a rule, <br /> <br />be captured until October 1. <br /> <br />. <br /> <br />19 <br /> <br />2?/t~ <br />
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