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Last modified
1/26/2010 12:29:24 PM
Creation date
10/11/2006 10:11:47 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.200.22
Description
UCRBRIP Section 7 Consultation/Sufficient Progress/PBO
State
CO
Basin
Colorado Mainstem
Date
1/1/1999
Author
USDOI
Title
Final Programmatic Biological Opinion for BOR's Operations and Depletions
Water Supply Pro - Doc Type
Publication
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<br />12 <br /> <br />Table 1. The estimated benefits in acre-feet made available from the Grand Valley Water <br />Management Project and the Orchard Mesa Check Settlement (Grand Valley Water Management <br />Project Environmental Assessment, September 1998). <br /> <br />Years Water Legally protected up to canal Made Natural flow <br />Hydrologic provided at capacity available water not <br />Type Palisade through protected <br /> Pipeline - not Municipal/ <br /> protected Recreation <br /> Agreements <br />Normal 9,000 16,257 28,779 1,803 <br />Wet 9,000 0 65,500 6,827 <br />Dry 9,000 19,551 37,348 4,640 <br /> <br />stabilization, and lower spring flows, One element of the Recovery Program involves enhancing, <br />restoring, and protecting natural floodplain habitats. An inventory of these habitats was <br />completed for 871 miles of the Colorado, Green, Gunnison, Yampa, and White Rivers, <br />Floodplain habitats are being restored along the Colorado River to prepare the ecosystem for <br />reintroduction and reestablishment of razorback sucker populations. Two sites along the <br />Colorado River have been restored by connecting bottomland habitat to the river and shaping the <br />habitat to facilitate draining during low flow periods to avoid harboring nonnative fishes, One <br />project, at 29% Road (also known as Gardner Pond) involved partially filling in an old gravel pit <br />and constructing a connection to the Colorado River. Ongoing studies are evaluating the use of <br />gravel pit ponds that have been reshaped to drain and behave as ephemeral floodplain habitats for <br />adult Colorado pikeminnow and razorback sucker. The spring of 1998 was the first of a 3-year <br />evaluation period, Intensive sampling was done at Gardner Pond and an adjacent pond, known as <br />Pickup Pond, A total of 376 native fish including adult Colorado pikeminnow were captured in <br />these two ponds. <br /> <br />The second project is a partnership effort between the Recovery Program, the Service, the City of <br />Grand Junction, the Riverfront Commission, and the Mesa County Soil Conservation District <br />located near the confluence with the Gunnison River at the Jarvis site. Prior to the 1950's this site <br />was a northern side channel to the Colorado River, In the 50's it was diked off from the river and <br />mined for gravel, then the gravel pit was used as a municipal dump and disposal site for uranium <br />mill tailings, After the pit was filled in, the site was used as an auto salvage yard, In the late <br />1980's, the City of Grand Junction purchased the site and removed all the junk cars, then the <br />Department of Energy removed all the radiological contaminated waste, leaving the site close to <br />the original river elevation, To restore the site, a notch has been constructed in the dike between <br />the river and the excavated area and the site has been shaped to drain during low water, A set <br />back dike was constructed to protect adjacent property, During high water, the site is inundated <br />with water from the river and provides habitat for endangered fishes, and as the river drops, the <br />
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