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UNITED STATES DEPARTMENT OF THE INTERIOR WATER AND POWER RESOURCES SERVICE UPPER COLORADO REGION NOTICE OF INITIATION OF INVESTIGATIONS Name of investigation: Big Sandy River Unit - Colorado River Water Quality Improvement Program Location of investigations: Green River Basin near the towns of Farson and Eden in southwestern Wyoming. Date investigations initiated: Feasibility investigations were initiated in 1976. Scheduled date of completion of feasibility report - May 1984. I. Scope of investigations: The study is concerned primarily with identifying possible means of controlling total dissolved solids contributions to the Green River along a IS-mile reach of the Big Sandy River. The study will be conducted through use of a Professional Services Contract and under the multi-objective planning guidelines set forth in the Principles and Standards for planning water and land resources. r;~ 2. Problems: The Big Sandy River originates in the Wind River Mountains of western Wyoming and flows south and southwesterly to the Green River where it discharges an estimated 180,OOO tons of dissolved solids annually with concentrations ranging from 300 to 3,900 mg/L. About 1l0,OOO tons of salt enter the Big Sandy River annually from numerous saline seeps and springs located along a l5-mile reach of the river. These flows aggregate between 25 and 30 cubic feet per second with salt concentration of 3,000 to 5,500 mg/L. 3. Prospective solutions: Prospective solutions will involve plans for collection and conveyance of saline water, treatment of the saline water, and disposal of brine effluent. Possible beneficial uses of the saline water would also be investigated. 4. Participation: Interested parties are requested to forward, within 30 days, an expression of interest in the investigations to inform us of pertinent data that can be made available for our use, to furnish comments and sug- gestions as may be considered appropriate, and express possible interest in participating on the planning team. Participation in the fish and wildlife, recreation, and beneficial use aspects of the investigations is desired of all interested organizations and individuals. In most cases expenses incurred during participation will not be reimbursable. Expressions of interest should be sent to the Regional Director, P.O. Box ll568, Salt Lake City, Utah 84147 or to the Project Manager, Grand Junction Projects Office, 764 Horizon Drive, Grand Junction, Colorado 81501. Prepared: October 1980 Transmitted: October 16, 1980 t~, ~ ~'~"-'<:" ~11 4Jl-./UL Regional lann1ng Off1cer Re U-I 1 i ,- 'J ' . ..~ \... d