OCR Text |
Show PART II NATURE, USE AND MANAGEMENT OF WATERSHED LAND Roatcap Wash floodwater retarding structure Flood prevention and agricultural water management are primary features of the Pine River Watershed Project. Located near Ignacio, Colorado, in the San Juan Subregion, this project "benefits 15,600 acres of irrigated land. Summary of watershed protection and flood prevention projects in operation or under construction, Upper Colorado Region, 1965 Land 1/ Treatment Applied Flood & Sediment Av. Ann. Damage ($1,000) 2/ Av. Ann. Water Management Project Subregion State (1,000 acres) Without Project With Project Benefits C$1,000) Boulder Lake Green River Wyo. 20 N.A. N.A. lk.6 Ferron 3/ Green River Utah 30 56.0 3.9 380.8 Roatcap Wash Upper Main Stem Colo. k 12.1 0.8 N.A. Indian Wash Upper Main Stem Colo. k 25.6 1.7 N.A. Pine River TOTAL San Juan-Colorado Colo. 16 lk 7.5 101.2 1.2 7.6 40.5 495.9 1/ Applied to nonfederal land 2/ Includes pzrimary and secondary benefits 3/ Under construction 20 |