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CONCZUS1014S <br />1. The water and land resource development program of the Basin will <br />affect strewn flow and phases of public health and sanitation de- <br />pendent upon provisions of adequate strewn discharge. The extent <br />of the effect will depend upon flow regulation to result from <br />considerations of public water supplies, hydroelectric power, irri- <br />gation, stream sanitation, sediment control, and recreation in the <br />Blue -South Platte and Colorado -Big Thompson Projects. <br />2. Existing and potential municipal water supplies can benefit by the <br />development program. <br />3. Twenty -eight communities obtain water supplies from surface sources <br />to serve 633,000 people 137.89 million gallons per day; 49 use <br />ground sources to serve 62,000 people 12.10 million gallons per day. <br />4. Pollution discharged to surface water resources causes public <br />health hazards and nuisance conditions at several locations. <br />Seventy -three communities and numerous major industrial plants <br />produce domestic and industrial wastes which total seasonally <br />approximately 5,000,000 population equivalents; 1,110,000 popu- <br />lation equivalents are discharged by beet sugar factories during <br />fall operations. Existing sewage treatment reduces organic pol- <br />lution, excluding the beet sugar refinery wastes, about 46 percent. <br />5. Interstate pollution exists below Ovid, Colorado, and extends into <br />Nebraska. <br />6. New treatment facilities are needed at 15 communities; 2 need re- <br />placements of existing works; and 27 should have existing facili- <br />ties enlarged (table 1). <br />7. New treatment works, additions, or replacements are needed at 56 <br />major industries. <br />8. An active Basin -wide comprehensive program, adequately supported <br />by funds and legislation, is essential for effective control and <br />abatement of pollution. <br />2 <br />