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WSPC02454
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Last modified
1/26/2010 11:19:15 AM
Creation date
10/9/2006 3:23:38 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8283.200
Description
Colorado River Basin-Colorado River Computer Models-Colorado River Decision Support System
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
12/1/1995
Title
San Juan River Basin Modeling-San Juan Special Water Right Operations
Water Supply Pro - Doc Type
Report/Study
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<br />OOO~75 <br /> <br />The District also owns a number of conditional junior rights for the inlet canal and reservoir. <br />These rights provide for additional uses including hydropower generation. <br /> <br />Jackson Gulch Reservoir is operated such that filling normally begins in March or April <br />when the snowmelt conditions will allow diversions from the West Mancos River through the inlet <br />canal. The inlet canal is normally shut down during the winter months December through <br />February. Diversions are made up to 258 cfs, depending on the available flows and the demands <br />for downstream senior water rights. The objective is to attempt to fill the reservoir by June 1. <br />It is also noted that even when the inlet canal is legally out of priority with respect to other water <br />rights on the stream, diversions are allowed to continue into the reservoir so long as an equivalent <br />release is made through the outlet (i.e. no depletion of the diverted flow). This practice enables <br />the District to maintain a fresher reservoir and at the same time it absorbs some of the diurnal <br />fluctuations of the stream, improving administration of the water rights in the Mancos drainage. <br />There are no other water rights in the intervening reach of the West Mancos, between the inlet <br />canal and the outlet canal. <br /> <br />The majority of the releases from Jackson Gulch Reservoir are made through the outlet <br />canal and delivered back to the West Mancos River where the water is re,diverted at downstream <br />irrigation ditches which own Project water. According to records of the Mancos Water <br />Conservancy District, structures that are included in the CROSS WRPM have the following <br />allocations of Jackson Gulch Reservoir Project water: <br /> <br />NAME <br />Lee and Burke Ditch <br />Webber Ditch <br />Ratliff and Root Ditch <br />Lee Ditch <br />Frank Ditch <br />Willis Ditch <br />Boss Ditch <br />No.6 Ditch <br />Sheek Ditch <br />Beaver Ditch <br />Henry Bolen Ditch <br />Crystal Creek Ditch <br />Long Park Ditch <br />Smouse Ditch <br />Williams Ditch <br />East Mancos Highline <br />Rush Reservoir Ditch <br />Bauer Reservoir No.2 <br />Weber Reservoir Inlet <br />Town of Mancos <br />Carpenter and Mitchell Ditch <br /> <br />WOlD <br />340542 <br />340576 <br />340554 <br />340543 <br />340527 <br />340583 <br />340506 <br />340552 <br />340565 <br />340505 <br />340534 <br />340514 <br />340544 <br />340567 <br />340582 <br />340522 <br />340560 <br />343586 <br />340577 <br />340573 <br />340508 <br />TOTAL <br /> <br />PROJECT ALLOCATION IAFI <br />83 <br />2,255 <br />1,113 <br />248 <br />146 <br />216 <br />281 <br />454 <br />306 <br />790 <br />176 <br />927 <br />50 <br />25 <br />53 <br />245 <br />175 <br />303 <br />90 <br />210 <br />...2!lQ <br />8.426 <br /> <br />Project water for the Long Park Ditch, the Smouse Ditch, the Williams Ditch. the East <br />Mancos Highline Ditch, and the Rush Reservoir Ditch is delivered via undecreed exchanges since <br /> <br />10 <br />
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