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WSP07175
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Last modified
1/26/2010 2:26:08 PM
Creation date
10/12/2006 2:09:55 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8200.766
Description
Gunnison River General
State
CO
Basin
Gunnison
Water Division
4
Date
3/1/1993
Author
DOI-BOR
Title
Scoping Report for the Gunnison River Contract - Water from Blue Mesa Reservoir through the Black Canyon and the Gunnison Gorge
Water Supply Pro - Doc Type
Report/Study
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<br /> <br />The NPCA asked how the Union Park Project, or similar projects, would affect the water supply <br />available to the Black Canyon, and asked if the CWCB would agree to limit transbasin <br />diversions in order to maintain a water supply to the Black Canyon. In addition, the <br />relationship with the proposed designation of the Gunnison River as a Wild River, aJld associated <br />water rights, should be addressed. <br /> <br />In Montrose, concemwas expressed that "calls" on the river;related to the Aspinall'Unit <br />operation and the contract could impact values upstream, trigger collapse of agriculture uses, <br />recreation uses, and other uses of water. <br /> <br />Also in Montrose, participants stated that 300 cfs should not be settled on as an adequate amount <br />of water to protect the Black Canyon, Better minimums in the summer would be 400 to 500cfs; <br />this would help mitigate canyon flash floods and sediment problems as well as have other <br />benefits. Further comments in Montrose recommended that the impacts of water deliveries to <br />the Black Canyon or to endangered fish on junior and senior water rights be addressed in the <br />analysis, The analysis should alSo address, where and at what cost, replacement water for junior <br />rights would be obtained. Congressman Campbell expressed a need for hydrology studies <br />showing effects on water right holders and water uses. <br /> <br />According to the CRWCD, the NPS must state its intent regarding administration of its Federal <br />reserved water right for the Black Canyon and must quantify resulting impacts on specific public <br />and private water rights and uses. Impacts on water rights and water use upstream and <br />downstream from water releases for endangered fish also must be addressed. <br /> <br />The NPCA also stilted that effects on upstream water users should be addressed, particularly <br />effects during dry years. They also asked how future Compact calls would affectthe proposed <br />contract, and if the State of California should limit downstream calls J,mder the Compact to <br />protect and ensure the timing of flows needed for endangered fish. recovery. Concerning water <br />use in Colorado, they requested infonnation on how much of Colorado's remaining allocation <br />would come from the Gunnison River and if BO~ would sign its Aspinall Unit water supplies <br />to the CWCB to help fulfil! Colorado's remaining Compact allocation. The effect of existing <br />downstream diversions or their interaction with the contraCt should be addressed, as well as the <br />, effect of possible transfer of downstream rights to upstream dive~sions. <br /> <br />The NPCA recommended that the proposed contract also provide water to meet the needs of a <br />Wild River designation forthe GunnisonRiver and that any water right for this designation be <br />,addressed in the contract. <br /> <br />The City of Colorado Springs discussed plans to turn the 300 cfs minimum flow ,through the <br />Black Canyon into an instream flow water right and expressed concern about "stacking"other <br />water. deliveries on top of this. The City also expressed concern that a section of the draft <br />contract (paragraph 9.a) is selective subordination and asked whether this subordination needed <br />adjudication in the State. water court, ' <br /> <br />28 <br />
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