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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 />C'",:} <br />U <br />l'~...) <br />\~.~ <br />p.o. <br />~I <br /> <br />Response: <br /> <br />30. Comment: <br /> <br />Response: <br /> <br />31. Comment: <br /> <br />Response: <br /> <br />32. Comment: <br /> <br />Response: <br /> <br />33. Comment: <br /> <br />Response: <br /> <br />include an analysis of the potential economic impacts that may result from <br />conducting the test. <br />Estimates of impacts will be based on responses from guides, New Mexico <br />Parks and Recreation, actual surveys taken by New Mexico Game and <br />Fish and on-site monitoring during the low flow test, These impacts will <br />be extrapolated to include indirect impacts on recreation support <br />industries such as lodging, restaurants, retail tackle and equipment sales, <br />etc, <br /> <br />There are concerns with loss of hydropower production and revenues <br />during the test and if long-term operations are changed. <br />The city of Farmington will monitor hydropower generation at their <br />Navajo Dam power plant to determine reduction in hydropower <br />production as well as damage that may occur to the turbines as a result of <br />low flows, Farmington has estimated losses in generation and <br />replacement costs for power due to low flow operations for the ten year <br />period 2001-2010, Their estimated present value cost for replacement <br />power for the 10 year period amounted to approximately $36 million, <br /> <br />Recreation <br /> <br />Because of the extreme low flows, float fishing will be totally affected in <br />the tail water area, <br />This will be monitored; it has been argued by some guides that 500 cfs is <br />the minimum flow to conduct successful recreational Dory boatfloatsfor <br />fishing, <br /> <br />The draft EA identified negative impacts to commercial recreational <br />services and operations downstream of Bluff, UT, All of these negative <br />impacts can also be expected for the cold water commercial services and <br />should be included in the final EA, <br />You are correct and they will be included in the final EA, <br /> <br />River monitoring should be expanded to include the river below Bluff, <br />UT, and the EA should generally quantify the magnitude of impacts to this <br />area of the river and specify why these impacts are not considered <br />significant. In addition, it is essential to describe the historic flows at <br />Bluff, <br />The river will be monitored below Bluff during the low flow test, The goal <br />will be to keep flows above 500 Gis, Because of the anticipated and <br />mandatory flows to the river in this area, significant impacts from a 250 <br />cfs decrease inflow are not expected on rafting, <br /> <br />19 <br />
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