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WSP10226
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Last modified
1/26/2010 2:57:52 PM
Creation date
10/12/2006 4:13:39 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.300.03
Description
San Juan River - Recovery Implementation Program - General Info
Basin
San Juan/Dolores
Water Division
7
Date
6/22/2001
Title
Final Environmental Assessment on Proposed Short-Term Low FlowTest Releases from Navajo Reservoir into the San Juan River
Water Supply Pro - Doc Type
EIS
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<br />o <br />o <br />("..) <br />", <br />'::J <br />w::. <br /> <br />flows may occur in this area because of water diversions, For the short duration, fish in many <br />areas should find adequate habitat in pools and other more permanent habitat. Fish resorting to <br />such pools may be more susceptible to predation, disease, and fishing harvest. <br /> <br />Endangered species, including river fish, are not expected to be affected; the test flow regime <br />will be similar to flows recommended by the SJRBRlP for the fishes, Temporary lower flows <br />are not expected to affect habitat of the southwestern willow flycatcher which is a potential <br />nesting species along the San Juan, If adverse effects are determined to be occurring on <br />endangered species by the New Mexico State Office of the Fish and Wildlife Service the test will <br />be terminated, The Fish and Wildlife Service has written that adverse impacts are not anticipated <br />on endangered species, <br /> <br />Water levels in Navajo Reservoir will not be noticeably affected during the test and associated <br />recreation, fisheries, and cultural resources should not be affected, Water quality will decline <br />between the dam and Farmington as the dilution effects of high quality darn releases are reduced, <br /> <br />Roat fishing in the trout fishery will be affected in two manners: lower flows will reduce the <br />depth and navigability of the river and potential clients of commercial guides may avoid the river <br />during the test. Walk-wade fishing effects are difficult to project. On one hand, publicity on the <br />test may deter some anglers from fishing that week. On the other hand, lower flows often attract <br />anglers as wading is easier and there is a belief that the lower flows may concentrate fish, Less <br />effect should occur to recreational floating downstream from Farmington as inflow from the ' <br />Animas River and other tributaries should keep flows above SOO cfs, <br /> <br />Publicity on the test may have an adverse effect on commercial recreation services and <br />operations downstream of Bluff, Utah. Potential impacts to these areas include raft trip <br />cancellations and merchant income such as store, motel, and vehicle shuttle businesses (99% of <br />shuttles are operated by Native Americans and in many cases this is their only income). Other <br />affected interests include restaurants, souvenir and recreation equipment refllals and sales, <br /> <br />Hydropower revenues would be reduced during the test as less water would be available to the <br />city of Farmington for power generation. <br /> <br />Low flows in the San Juan River will not affect operation of the Navajo Indian Irrigation Project <br />since project water is delivered directly from Navajo Reservoir, The Navajo Nation's Fruitland, <br />Hogback, and Cudei irrigation project diversions on the San Juan River are located downstream <br />from the confluence of the Animas River. No impact is expected to these diversions since flows <br />of at least SOO cfs will be maintained in this reach of the San Juan River during the test, Due to <br />the short duration of the test, future development of Indian Trust Asset water rights associated <br />with long-term changes in reservoir operations will not be affected, The test is not expected to <br />affect any treaty-based fishing, hunting, gathering, and similar rights of access and resource use <br />on traditional tribal lands, Low flows may affect the ability to divert water upstream from <br /> <br />8 <br />
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