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<br />~ <br />~ <br />~ <br />~ <br />J <br />~ <br />J <br />J <br />J <br />J <br />J <br />J <br />J <br />J <br />J <br />J <br />J <br />J <br />J <br /> <br />376~ <br /> <br />BuRec - Progress Report #10 <br /> <br />The Paradox Valley Unit is an authorized project under <br />Title II of Public Law 93-320. The Bureau of Reclamation <br />established a water quality samplin~ program for this unit in <br />1972. Analysis of 5 years of streamflow and water quality <br />records indicates that the annual salt yield for the Unit area is <br />about 205,000 tons. <br /> <br />BLM 1978-79 Status Report <br /> <br />With this report, the BLM has expanded its study of salinity <br />from public lands to include salinity from groundwater <br />discharge. A preliminary investigation to determine the <br />technical and economic feasibility of a plan to control saline <br />springs in the Salt Creek Canyon area (Sinbad Valley) of Colorado <br />is discussed in the report. <br /> <br />The BLM determined discharge from the saline springs at the <br />mouth of Sinbad Valley to be perennial, yielding approximately <br />100 gpm or 160 acre-feet per year. Dissolved solids <br />concentration of the water was 61,200 mg/l, resulting in a total <br />salt yield of 13,317 tons annually. <br /> <br />BLM - Groundwater Contribution <br /> <br />The Dolores River Basin yielded an average annual salt load <br />of 489,800 tons from 1966-75. Of that total, the BLM estimated <br />that 58 percent or 282,500 tons were contributed by groundwater <br />sources. <br /> <br />-32- <br />