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WSP11855
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Last modified
1/26/2010 3:19:07 PM
Creation date
10/12/2006 5:13:58 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.200.09.J
Description
Navajo Project
State
AZ
Basin
Colorado Mainstem
Date
10/7/1970
Author
Holburt Myron B.
Title
Method of Handling Blowdown Water at Navajo Generating Station
Water Supply Pro - Doc Type
Report/Study
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<br />-- 1._....____... .---- ..---- -_oa~---"-"'J _..~-~--o- <br /> <br />f-4 tiol\~ scheduled to be init lated in Fisc"l Ye"r 1972 "mJ completed In <br />W Fis.::al Yc"r 1976. A review of ,,11 :,nown av"ilable dat", cont"ct with <br />local interests, "nd ground .::'1>l'r"i""ls were be~un in April 1972-. Since <br />Ch3t time flow mCll~urcm~nts and W.1,ter sampler; for chemical analY5is <br />i1.:.1VC bLen collected month ly at eiGhteen .Gprinf~:; con.G 1dcrcd .J.lUcnable for <br />collection for d~salination trc~tmcnt~ A preliminary rcconnaiL~ancc <br />c::;tim.:J.tc h.:15 been l~l~dc of collcctia~, conveying, nnd dc~alting the flows <br />of these eighteen springs. B"scd on the one-ye"r period that data was <br />collected the springs have a flow of about L6 second-feet with a mlneral <br />content of about 14,200 p.p.m. th"t would carry approximately 225,000 <br />tonS of dissolved sol~ds to the Colorado River annually. <br /> <br />The authority for the Colorado River Water Quality Improvement Program <br />is derived from Public'Laws 84-485, 87-483, and 87-590 relating to the <br />Colorido River Storage Project and participating projects, the Navajo <br />Indi"n Irrig"tlon Project and San J~"n-Chal~ Project Ace, and the <br />Fryingp"n-Arkansas Project Act, respectively. <br /> <br />The Sccretary at the Interior is required by these various legislative <br />acts to report on the quality of w"ter in the Colorado River Basin, to <br />ev"luate the suitability at the water for beneficial use, to estimate <br />the effeCts of future development on water quality, and to investigate <br />meanS of improving water quality. A number of basic studies have been <br />undertaken by the Bureau of Rec lUl""t ion,- the Geological Survey. and the <br />Environmental Protection Agency (formerly the Federal Water Quality <br />Administration) in complian~e with these legislative requirements. <br /> <br />GENERAL DISCUSSIONS <br /> <br />The thermal springs and the ground water in-flows to the Colorado River <br />b~tween the mouth of the Roaring Fork River and the Eagle River are for <br />the most part widely scattered subsurface flows. The located springs <br />whose flows were considered collectible by conventional methods for <br />desalination treatment are clustered in the vicinity of Glenwood Springs <br />and at a point approximately 2.5 miles'downstream from ,the 'mouth of the <br />Eagle River called Dotsero. These springs are shown on the map on the <br />following page. <br /> <br />Geologicaliy the area is located at the southeastern edge of the exten- <br />sive \{',ite River uplift. The Glenwood and Dotsero Springs are situated <br />at o??o~ite ends of Glenwood Canyon waich has been created by the Colorado <br />River eroding through very resistant rocks of the uplift. }~ny faultS <br />a"ve been mapped in the area and may be related to the springs in the <br />liubsurface. <br /> <br />"I <br />.'.1 <br />..J <br />:':"~'.I <br />'... .:. '.= ~ .:.: <br />'~"('I <br />I <br /> <br />.~t'1 <br />'I <br />,I <br />1 <br />) <br />,I <br />1 <br /> <br />".' I <br />,:;>:.1 <br />"'~;:.; I <br />
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