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Last modified
1/26/2010 12:32:11 PM
Creation date
10/11/2006 10:36:22 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.105.I
Description
Colorado River-Water Projects-Navajo-Environmental Studies
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
11/15/2001
Title
Navajo Dam EIS-Southwestern Water Conservation District Comments
Water Supply Pro - Doc Type
Report/Study
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<br />J <br /> <br />Line 1732 & 1757 - The 50% reduction shows up in the reduced rafting, Where did this come <br />from? What is the data to support the number? Shouldn't USBR perfonn its own analysis? <br /> <br />Line 1764 - The word "devastating" is an overstatement. Leave out the colorful tenns stick to <br /> <br />nll'lntit....hl"" im...........tC" <br />"1...........H~....U...... u..p.............. <br /> <br />Table 1lI-21 - Most economists 1 have heard, believe that agriculture has a larger multiplier than <br />recreation, yet Table 111-21 shows an indirect benefits about the same percentage as recreation. <br />The ag benefits should be larger. <br /> <br />Line 1823 - The Socio-economic section needs a summary of costs and benefits in narrative and <br />table fonn, <br /> <br />The Hydropower section is good, Quantified and repeatable analysis. <br /> <br />rLines 2180 to 2182 - The studies do not show that contaminants are a problem or an issue, This <br />~ntence should be removed. <br /> <br />~ines 2197 - The words "was not definitive" should be removed, The native fish have declined <br />during the test flows, why isn't that definitive. It would be definitive if the native fish had <br />increased but because the populations decreased is not definitive, <br /> <br />Lines 2199 to 2200 - The sentence "Many factors could have contributed to the decline in catch <br />rates independent of flow," Should be put in bold, moved to the front of the report and tattooed <br />on the biology committee members anns, Unfortunately the statement is only used when the <br />mimicking of the natural flow does not produce the desired result. <br /> <br />Lines 2269 to 2272 - The two sentences that state implementation of the no action alternative <br />would favorable to non-native is not true, The studies have shown the non-natives thrive with <br />ANY flows, Remove both the incorrect sentences, Page 3-51 of the SJRRIP Biology <br />Committee "Program Evaluation Report" states: "This inforn1ation suggests that higher flows <br />resulting from the re-operation of the Navajo Dam were not detrimental to chalmel catfish and <br />common carp, .,..." <br /> <br />Lines 2276 to 2277 - In order to accurately describe the data in the Flow Recommendation <br />report, the sentence should be: "The flannelmouth and bluehead sucker populations declined <br />during the test flows and are therefore, more likely to be benefited by the no action alternative." <br />Or remove the sentence, <br /> <br />~(Note the statements that native fish routinely benefit from mimicking the natural hydrograph is <br />counter to the results of the studies, Either the statements should be deleted if the biologists want <br />to hide that fact or make correct statements to accurately depict the data,) <br /> <br />Line 2304 - The models reference should be completely described, the data used to run the <br />models, and the accuracy of the models. Just saying "models say so" is not adequate. <br /> <br />00820 <br />
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