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<br />N <br />CJ1 allows the discharge of 2.4 tons of salt per day with only <br />.... <br />N one ton per day reaching the Green River. This discharge <br />will be eliminated by 1990 when the company places the last <br />of three sulphur dioxide removal units (air pollution <br />control) On line. <br />The Utah power and Light Naughton plant discharges <br />approximately 20 tons per day to a tributary of the Green <br />River. This permit was issued on the basis that it was not <br />"practicable" to implement the Forum policy of no discharge <br />of salt from industrial sources. This decision was based <br /> <br />upon a comparison of the costs of removing salt and <br />downstream benefits associated with eliminating the <br />discharge. The current permit expires June 30, 1989, and <br /> <br />will be reevaluated for consistency with Forum policy at that <br /> <br />time. <br /> <br />A total of l3 municipal NPDES permits have been issued <br />in the Wyoming portion of the Colorado River Basin. All of <br />these discharges are very small. The total population of all <br />13 municipalities is approximately 41,000. Of this total <br />32,000 are in Rock Springs and Green River. The incremental <br />increase in total dissolved solids concentration is 420 mg/l <br /> <br />and 400 mg/l respectively for Rock Springs and Green River. <br />Of the 11 other municipal discharges most are in compliance '- <br />however, a few exceed the 400 mg/l incremental increase in <br /> <br />salinity by a few milligrams per liter. <br /> <br />It is not <br /> <br />.,.36- <br />