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• The Colorado Department of Health, Water Quality Control Division, required a <br />study in 1992 to determine different forms of treatment that might be cost <br />effective in reducing salt loading on the Colorado River. The results were <br />provided to the Health Department and a determination was made that it is not <br />economically feasible to construct a sale removaUminimization facility at this <br />time. <br />The projected discharge from the Roadside South Portal is about 300 gpm or <br />0.67 cubic foot per second (cfs), and the average flow of the Colorado River is <br />approximately 3,870 cfs. Upstream and downstream water quality sampling of <br />• <br />• 19-8 (5/03) <br />