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'11IIIIIIII preliminary figures, it appears that project costs now may be in excess of the original appropriation. Thus, the entity ~ anticipates coming to the Board for additional authorization and funding. Fuch's Ranch Dam This project entails the rehabilitation of an existing dam on U.S. Forest Service property about 20 miles southwest of Del Norte, Colorado. The State Engineer's office and the U.S. Forest Service are both concerned about the severe erosion that has occurred in the unlined earth channel below the spillway for this dam. This erosion has increased the slide potential on the hillside above the channel. A Forest Service road traverses the hillside only a short distance above the area. A feas ibil i ty study has been submitted by Hydo-Triad, Ltd. and comments by staff are now being addressed. The proposed project would move the spillway to the other side of the existing dam and the existing eroded spillway channel would be filled in. Cost of the project is estimated to be $80-100,000. Grand Mesa proiect The Grand Mesa project was originally studied by the U.S. Bureau of Reclamation. However, the Grand Mesa Water Conservancy District applied to the Colorado Water Conservation Board in 1980 requesting state assistance in rescoping and reducing the size of .. the original federal project. The Board approved funds for the feasibility study, which has been submitted to the Board staff in draft form. The project area extends from the top of Grand Mesa south to the Gunnison River. The project would involve the construction of Cactus Park reservoir, a feeder canal system, generation of hydroelectric power and rehabilitation of existing main and . secondary canals and laterals. Thus, the project will have irrigation and hydropower benefits and rural water supply and recreation components. Hertha Reservoir Enlargement The Hertha Reservoir enlargement is addressed in the Home Supply Watershed study made by the Soil Conservation Service in 1975. Most of the other features of this study in Larimer and Weld counties--including canal relocation, lining of canals and laterals, land treatment and control of outlet structures--have already been constructed in a joint effort between the various local entities concerned and the Soil Conservation Service. Under the proposed plan the Hertha Reservoi r, wh ich is located about 5 miles west of the town of Berthoud, would be increased in capacity from 986 AF to about 1600 by raising and -2-