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<br /> <br />Phase I, Stage B <br /> <br />Phase I, Stage B - Water Supply <br /> <br />Contingent on the future ESA consultation following the approximately 7-year research study, <br />Reclamation would develop an additional water supply for Project uses of up to a total of <br />169,710 acre-feet (which would correspond to a total depletion of up to 128,600 acre-feet). <br /> <br />Phase I, Stage B - Facilities <br /> <br />Additional Project facilities that would be constructed and operated for Phase I, Stage B are <br />listed in table I. Those facilities represent the balance of facilities to complete Phase I, as <br />defined in the 1986 Cost Sharing Agreement. <br /> <br />During Phase I, Stage B construction, Dry Side Canal, Long Hollow Tunnel, the Southern <br />Ute Diversion Dam, and a portion of the Southern Ute Inlet Canal would be sized to <br />accommodate future capacities needed for Phase II water deliveries, <br /> <br />Ridges Basin Pumping Plant and its appurtenant structures would also be designed and <br />constructed with capacity to accommodate future Phase II water deliveries. However, only <br />the number of pumps needed to meet the required Phase I, Stage B capacity (600 cfs) would <br />be installed. In Durango Pumping Plant, which would be constructed in Phase I, Stage A, <br />additional pumps would be installed to meet Phase I, Stage B water supply needs, The <br />required pumping capacities at Durango Pumping Plant for Phase I, Stage B and Phase II are <br />the same (480 cfs at full reservoir). <br /> <br />Southern Ute Diversion Dam, a portion of Southern Ute Inlet Canal, and the Southern Ute <br />Interim Irrigation Canal would be constructed to service irrigated land in New Mexico <br />because Southern Ute Reservoir and the New Mexico Irrigation Canal would not be <br />constructed until Phase II. <br /> <br />Phase I, Stage B - Operation <br /> <br />Phase I, Stage B, the completion of Phase I, would provide Project M&I and irrigation water <br />at Ridges Basin Reservoir for the two Colorado Ute Tribes and irrigation facilities and water <br />to serve most of the non-Indian and Southern Ute Indian Tribal Project lands. It would also <br />provide the entire non-Indian M&I water supply. This operation assumes that M&I water <br />supplies and unused irrigation water for the Ute Mountain Ute and Southern Ute Indian <br />Tribes would be stored in and delivered from Ridges Basin Reservoir, and that the Tribes <br />could develop and market their water from the reservoir as described in Phase I, Stage A. <br />The delivery ofM&I water to the city of Durango and the rural subdivisions west of Durango, <br />via Durango and Shenandoah M&I Pipelines, respectively, would be operated in the same way <br />as in Phase I, Stage A. However, water supplied for the La Plata rural water users would be <br />delivered via Dry Side Canal to a point along the canal near the Red Mesa Pumping Plant <br />instead of through La Plata Rural M&I Pipeline as described in Phase I, Stage A. <br /> <br />",-. <br /> <br />During Phase I, Stage B, lands scheduled to receive supplemental water in New Mexico <br />(which would be served by the Southern Ute Pumping Plant in Phase II) would be provided a <br />full irrigation supply through existing irrigation facilities. Also, lands in New Mexico that in <br /> <br />26 <br />