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<br />00 <br />r- <br />~ Table 29.- Water supply, Uncompahgre Subbasin, 1943-60 average <br />""'I <br /> <br />Uncompahgre at Colona <br />Ouray Count1 consumptive use <br />Minor tributaries and ungaged areas <br />Roubideau above Buttermilk <br />Total direct flow <br /> <br />178,200 acre-feet <br />24,500 acre-feet <br />29,800 acre-feet <br />26,900 acre-feet <br />259,400 acre-feet <br /> <br />Imports: <br />Cimarron Ditch <br />Gunnison Tunnel <br />City of Delta <br /> <br />24,400 acre-feet <br />335,100 acre-feet <br />2,000 acre-feet <br /> <br />, <br />Total subbasin suVPly 1/ <br /> <br />2/ 6L8,900 acre-feet <br /> <br />1/ Return flow not included. <br />I/ City of Delta import included in North Fork supply total and not included <br />here. <br /> <br />Present Water Use <br /> <br />Lands served by the Uncompahgre project have had a generally adequate water <br />supply. Within-basin seasonal regulation of water supplies is needed to insure <br />proper distribution and most effective use of available supplies. Crop <br />consumptive use estimates for the project lands reflect the essentially full <br />water supply. Estimates made for present consumptive use on other lands <br />within the subbasin are related to the varying levels of water-supply defi- <br />ciencies that have applied to these lands. There is very limited industrial <br />consumptive u,e of water in the Basin, mostly in connection with municipal <br />services that 'are separately estimated. <br /> <br />Estimates of p~e~ent water-supply depletions in the subbasin are summarized <br />in table 30. <br /> <br />Table 30.- Present water use, Uncompahgre Subbasin, 1943-60 average <br /> <br />Net crop consumptive use 1/ 158,905 acre-feet <br /> <br />Riparian vegetation, nonbeneficial phreatophytes, <br />seeped lands and incidental areas l/ 75,995 acre-feet <br /> <br />Municipal, domestic & livestock uses, <br />reservoir evaporation and recreation 4,474 acre-feet <br /> <br />1943-60 average annual use within subbasin 239,374 acre-feet <br /> <br />1/ 105,300 acres. <br />1/ Acreage from Erickson survey of 1943 and adjustment based on local <br />estimates. <br /> <br />- 77 - <br />