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<br />OODfi~ <br /> <br />- 12 - <br /> <br />6. La Plata River Basin. <br />The La Plata River has its source in the La Plata Mountains <br />about 30 miles from Durango, Colorado. This stream exhibits the <br />low late-season runoff of many of the streams in this area, <br />The irrigated acreage has varied widely over the years, with the <br />available water supply and economic conditions. Presently irri- <br />gated acreage is estimated to be 21,200 and the present average <br />stream from irrigation depletion 20,200 acre feet per year. <br />The proposed Animas-La Plata Project would divert excess Animas <br />River water to the La Plata River drainage basin for use as a <br />supplemental supply for 20,100 acres of the presently irrigated <br />lands and bring under irrigation 45,920 acres of dry land in <br />Colorado. This project would also regulate the flow of the La <br />Plata River to make better use of that supply. <br />7. Mancos River Basin. <br />Since the completion of the Mancos Project the provision <br />of a regulated water supply has improved irrigation in this basin. <br />The.water supply of the Mancos River is not large. Judicious use <br />of water in the area is practiced. The present irrigated acreage <br />is about 10,400 acres, resulting in stream depletion of about <br />11,600 acre feet per year. Depletions from domestic uses and <br />reservoir evaporation losses are about 500 acre feet per year. <br />8. McElmo Creek Drainage Area. <br />This drainage area actually is several basins but the <br />irrigated area described here is that actually adjacent to McElmo <br />Creek. Presently irrigated acreage consists of bottom lands <br />along the creek and totals about 2,000 acres served by diversions <br />from the creek. The depletion of this acreage is about 3,200 <br /> <br />~ <br />