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._......... _.w- Irrigation G Diversion Requirement Ute Mountain Ute Indian Reservation Dolores Irrigation Unit . ACRE~FEET PER ACRE: TOTAL CONSUMPTIVE . APRIL MAY JUNE JULY AUGUST SEPTEMBER OcrOBER SEASONAL Weighted consumptive usel 0.08 0,32 0.51 0.61 0.42 0.26 0.14 2.34 . , Leaching Requirement2 0 0,02 0.03 .0.03 0,02 0,01 0.01 0,12 . :(;f Effective Rainfall 0,05 0.05 0.02 0.07 0.10 0.06 0.09 0.44 Net irrigation requ~rement 0.03 0.29 0.52 0.57 0.34 0,21 0,06 2.02 per irrigable acre farm irrigation efficiency4 0.65 0,65 0.65 0.65 0,65 0.65 0,65 0.65 Farm Losses 0,02 0.16 0.28 0,31 0.20 0.11 0.03 1.09 Farm delivery requirement 0,05 0.45 0.80 0.88 0.54 0.32 0.09 3.11 ReJivertible return flow 0 0 0 0 0 0 0 0 Net farm delivery . requirement . . 0,05 0.45 0.80 0.88 0.54 0..32 0,09 3.13 Alternative I . Water Measured at McPhee Outlet Conveyance loss below I Reservoir 0.03 0,14 0.17 0.18 0.15 0.11 0.03 0.81 Operatiodal loss (5\) 0 0.03 0.05 0.05 0.04 0.02 0.01 0.21 Net diversion requirements: at McPhee 0.08 0,62 1,02 1,12 0,74 0.45 0.13 4.~5 Alternative II , - Water Measured within Reservation Boundary at Towaoe Conveyance 1055 within . Indian boundary 0.01 0,05 0.06 0.06 0.06 0,04 0:01 0.29 .. . Operational loss (5\) 0 0.03 0.04 0;05. 0.03 0.02 0.01 0.18 Net Diversion at Boundary 0.06 0.53 0.90 -- 0.99 0.63 0,38 O.ll 3.60 I · 2cropping pattern: . Alfalfa = 50\. small gT!lin '" 20\. beans'" 10\. pasture'" 15\, corn. 5\ 3Leaching requirement set at 5% of We ' . 4Implies requirement for farmstead ana roads will come from area surrounding irrigable lots Based on sprinkler application rates of 0.25 to 0,50 inches per hour and net irrigation application of 3.0 inches per set , (USDA-SCS, Irrigation Guide for Western Colorado Elevation below 7,000 feet, July 1960.) ..