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.... :1<" ~.~ .~": .;..,. cJ' \J ....i . CHAPTER II PROJECT PLAH, Fh;ATURES, JlND COSJ'S--BASALT PROJECT Proj e,.,St Plan The. Basalt project as currently planned would provide water for the irrigation of 20.489 acres of land. including 14,362 acres of full serv- ice land and 6,127 acres of supplemental service land. Return flows from project Isnds are expected to benefit downstream irrigation but this effect has not been evaluated. The project would be a participating proj- ect in the broad plan for the Colorado River Storage project. It would utilize water from the Ruedi Reservoir of the authorized Fryingpan- Arkansas project as explained in the introduction to this volume. Con- sideration of project benefits to flood control. recreation. and fish and wildlife is outside the scope of this report. . The .project water supply would consist mainly of releases from the Ruedi Reservoir on Fryingpan River. Some natural flows. surplus to the requirements of prior rights. would also be obtained from Cattle, Coulter. Sopris, and Prince Creeks. and usable return flows would result from proj- ect irrigation in the Cattle Creek area. The project plan is shown on the frontispiece map on page 5. Water released from Ruedi Reservoir would be diverted into the poten- tial Basalt Conduit Which would head at the outlet works of Ruedi Dam and extend northwest 22 miles to the existing Missouri Heights Reservoir which would be enlarged. During the non irrigation season water conveyed by the Basalt Conduit would be stored in the Missouri Heights Reservoir when flows of Cattle Creek are insufficient for that purpose. During the irri- gation season the Basalt Canal water flowing through the Missouri Heights Reservoir, supplemented by releases of project water from the reservoir, would be used for irrigation under existing distribution systems and two new canal systems planned for the project. The potential Landis Canal would head at the outlet of. the Missouri Heights Reservoir and extend northwest 22.8 miles, distributing water to lands in the upper Cattle Creek and Spring Valley areas. In addition to conyeying water from the reservoir. the cana1 "ould intercept presently unappropriated flo"s of Cattle and Coulter Creeks. The canal would also cross Mesa. Fisher. and Landis Creeks but no project water is anticipated from these streams since their flows appear to be ful~v appropriated. The Landis Canal would also deliver water at its terminus to the Spring Valley lateral system which would serve lands on Spring Valley Bench. . 12