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Digital Collections at BYU
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BASIC STUDIES
increases have been relatively small and of little consequence to downstream water users. With further leaching of new lands by continued irrigation, the gain in concentration between Hoover and Imperial Dams may be expected to...
2008-10-01
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PART VI. QUALITY OF WATER
A. Historic Condition
The historic water quality situation at eleven key stations in the Upper Basin for the 1941-1958 period was previously reported in the January 1963 report, both in narrative and in the...
2008-10-01
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QUALITY OF WATER
Between Parker and Imperial Dans, there is a further net decrease of 599j000 acre-feet in the average discharge but a net increase of 387.000 tons per year of total dissolved solids.
The concentration of dissolved solids in the...
2008-10-01
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QUALITY OF WATER
C. Pres ent Modified Condi ti on
During the 21-year period of study covered by this report, none of the depletions listed in Table No. 19 were in effect. Some new depletions began after 19cl; therefore, the depletion effects for...
2008-10-01
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PART VII. ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
In order to estimate the probable effect of the authorized or contemplated developments on the quality of water at certain points along the Colorado River, the developments have been...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
miles up the Colorado River and Jl miles up from the mouth of the San Juan River. River mile 71 on the San Juan River is 133 river miles from Glen Canyon Dam. This 27,000,000-aere-foot reservoir...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
Carecanti Unit
Facilities of the Curecanti unit, located in west-central Colorado, include the Blue Mesa, Morrow Point, and Crystal Dams, Reservoirs, and Powerplants. The primary purposes are...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
This project will give an opportunity to study the effect on quality of adding supplemental water to lands already irrigated. The resulting new depletion will be 10,000 acre-feet.
Emery County...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
Savery-Pot Hook Project, Colorado-Wyoming
This project is located in the Little Snake River Basin in southern Wyoming and northwestern Colorado. The project plan calls for construction of an...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
supply to 1^,700 acres of partially irrigated land and 1,600 acre-feet of supplemental water for municipal use near Vernal, Utah. The consumptive use of water by the Vernal unit will amount to...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
Basin. The physical effects on the Colorado River of this depletion will "be that some dissolved solids will be transported out of the basin and less high quality water will be available downstream...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
The project has been proposed for development under the Pacific Southwest Water Plan and as a private development by the Arizona Power Authority. If developed under a Federal program, the project...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
A principal concern of the downstream users in Arizona and Nevada will be in regard to the effect of project operations on water quality and the amount of flood waters available for leaching purposes....
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
B. Incremental Effects
Increment No. 1
The extension of the study period from I9UI-I958 to 19*4-1-1961 resulted in a decrease in the average modified flow at Lees Ferry of 595 ยป000 acre-feet, an...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
The effect of the Seedskadee irrigation project on water passing the Green River, Wyoming, gage would he an increase in concentration from 0,^3 to 0.^7 ton per acre-foot, if no dissolved solids are...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
The total depletions of Increment No. 2 increase the concentration at Lees Ferry from 0.77 to 0.82 ton per acre-foot with no pickup, and with two tons of pickup the concentration increases from 0.77...
2008-10-01
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ANTICIPATED EFFECTS OF ADDITIONAL DEVELOPMENTS
the downstream gages beginning with Grand Canyon, the Dixie project affect-ing the Virgin River at Littlefield, and the Dixie project and Bridge Canyon Reservoir affecting other downstream gages...
2008-10-01
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PART VIII. INTERPRETATIONS
A. Suitability for Irrigation
Irrigation has been practiced in many areas in the Colorado River Basin for nearly a hundred years; and as long as adequate drainage has been provided, either natural or artificial,...
2008-10-01
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INTERPRETATIONS
data that can he used with industrial water-quality criteria to evaluate the suitability of the water for the particular purposes of certain industries. This information is also available on a monthly basis for the 194l-196l...
2008-10-01
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INTERPRETATIONS
The Metropolitan Water District of Southern California has obtained a portion of its water supply for municipal and industrial use by pumping Colorado River water from Lake Havasu since January 7, 1939* The quantity pumped...
2008-10-01
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PART IX. CONCLUSIONS
These studies indicate an overall increase in the concentration of total dissolved solids under the conditions of development outlined in the basin, but the new depletions described leave the remaining water acceptable for...
2008-10-01
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CONCLUSIONS
4. It must be recognized that there is a vast salt load existing in the streams and rivers due to natural conditions*
5. Future studies should consider other aspects of water quality effectss such as ion exchange, selective...
2008-10-01
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