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I I I I I I I I I I I I I I I I I I I Seelion 4 - Existing Colomdo ~~l1er Sl/IJfllil'.\ 1,800,000 1,600,000 .- Undetermined water development potential in South Platte River Basin .Future Water Development OPresent Annual Consumption 1,400,000 . 1,200,000 ~ 1,000,000 - cD U 800,000 <0:: 600,000 400,000 200,000 o Note: Annual consumption is average annual for Divisions 1-3 and maximum annual for Divisions 4-7, Water Water Water Water Water Water Water Division 1 Division 2 Division 3 Division 4 Division 5 Division 6 Division 7 Unapproprialed waler would no longer exist in the state if all conditional rights were to be developed. Figure 8 Potential Water Development by Water Division compact deliveries and endangered species instream flows. At least 450,000 addilional acre-feet could be consumptively used slalewide, Figure 8 shows existing water use and pOlenlial future water development by Water Division. Within Colorado, waler is distribuled according to Ihe prior ap- propriation doctrine, and as such is governed by Colorado law and interstate compacts, As of 1990, there were 10,880 reservoir storage righls allowing a total absolute rig hi (i,e" a right cur- rently placed to some beneficial use) of 8,748,000 acre-feel and a lotal condilional right (i,e" will be placed to some beneficial use at a future date) of 21,754,000 acre-feel. There were also 56,181 direct flow rights with a lotal absolute right of 310,300 cfs and a lolal conditional right of 250,600 cfs, Given the tolal statewide available supply of 15,600,000 acre-feet, it is clear Ihat unappropriated water would no longer exist in Ihe state if all con- dilional rights were to be developed. In addition, development of conditional rights already granted would have to be curtailed in some regions in order to meet Ihe state's compact obligations. 4-6 ... COloraDO ,.. Farm Bureau