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WSP12353
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Last modified
1/26/2010 4:14:44 PM
Creation date
10/12/2006 5:32:42 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8273.300
Description
Colorado River Basin Salinity Control - Federal Agency Reports - USGS
Basin
Colorado Mainstem
Water Division
5
Date
1/1/1996
Author
USGS
Title
Summary of Biological and Contaminant Investigations Related to Stream Water Quality and Environmental Setting in the Upper Colorado River Basin - 1938-95
Water Supply Pro - Doc Type
Report/Study
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<br /> <br /> <br />w <br />l\;, <br />Vl <br />.... ConStruction of the Water system improvement projects would involve <br /> <br />periods of 4 to 5 Years. ~fost of this work could be completed by <br /> <br />fiscal year 1981. Of the point source Control projects, LaVerkin <br /> <br />Springs, Crystal Geyser, Littlefield Springs, and Paradox Valley <br /> <br />could be constructed in a period of 3 to 4 years. On this basis, <br /> <br />construction could be Completed during fiscal year 1980. Blue Springs <br /> <br />and Glenwood-Ootsero Springs will involve consideration of many com- <br /> <br />plex factors regarding the engineering plan and related environmental <br /> <br />and social considerations. Construction, eVen if found feasible in <br /> <br />all respects, could not be started before 1978 on Glenwood-Ootsero <br /> <br />Springs and 1980 on Blue Springs. The lack of data on the diffuse <br /> <br />source Control projects could delay construction starts until fiscal <br /> <br />year 1979 or later. <br /> <br />The Effects of rrogr~ <br /> <br />The average annual salinity concentration of the Colorado River at <br /> <br />Imperial 0.. during the period 1941 to 1968 (most reCently published <br /> <br />data) was 751 mg/I. The annual salinity Concentrations during this <br /> <br />sam. period have ranged from a minimum of 649 rng/I in 1949 to a rnax- <br /> <br />imum of 918 mg/I in 1956. The monthly salinity concentrations of the <br /> <br />Colorado River at Imperial Oam during the period 1941 to 1968 have <br /> <br />experienced an even wider range from a minimum of 551 mg/I in Oecember <br /> <br />1952 to a maximum of 1,000 mg/l in January 1957. <br /> <br />xvi <br /> <br /> <br />
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