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EXECUTIVE SUMMARY <br />WINDY GAP FIRMING PROJECT DRAFT ENVIRONMENTAL IMPACT STATEMENT <br />Table ES -2. Average annual changes in Colorado River flow and diversions by alternative. <br />Alternative <br />Colorado River <br />below Granby <br />Reservoir <br />Windy Gap <br />Diversions <br />Colorado River <br />below Windy Gap <br />Colorado River <br />below Kremmling <br />AF <br />% <br />AF <br />% <br />AF <br />% <br />AF <br />% <br />Existing Conditions <br />59,385 <br />- <br />36,532 <br />- <br />151,358 <br />701,801 <br />Alt 1 - No Action <br />55,345 <br />-7 <br />43,573 <br />+19 <br />138,914 <br />-8 <br />689,357 <br />-2 <br />Alt 2 - Proposed Action <br />50,220 <br />-15 <br />46,084 <br />+26 <br />130,075 <br />-14 <br />680,512 <br />-3 <br />Alt 3 <br />52,071 <br />-12 <br />48,052 <br />+32 <br />130,370 <br />-14 <br />680,807 <br />-3 <br />Alt 4 <br />52,091 <br />-12 <br />47,997 <br />+31 <br />130,453 <br />-14 <br />680,890 <br />-3 <br />Alt 5 <br />51,903 <br />-13 <br />48,483 <br />+33 <br />129,681 <br />-14 <br />680,118 <br />-3 <br />• Below Kremmling and the confluence with the Blue River, Colorado River average annual <br />streamflow reductions would be about 2 percent (12,000 AF) under the No Action Alternative and 3 <br />percent (21,000 AF) for the action alternatives (Table ES -2). <br />• Average annual Willow Creek streamflow below Willow Creek Reservoir would decrease by 7 <br />percent (1,400 AF) under the No Action alternative, 14 percent (2,600 AF) for the Proposed Action, <br />and 12 percent (2,200 AF) for the other alternatives due to changes in Willow Creek Feeder Canal <br />deliveries to Granby Reservoir. <br />• Big Thompson River flows below Lake Estes would increase about 1 percent (450 AF) on average <br />under the No Action alternative compared to a 5 percent increase (3,200 AF) for the Proposed Action, <br />Figure ES -5. Average daily flow in the Colorado River below Windy Gap Reservoir by alternative. <br />1,200 <br />1,000 <br />800 <br />U. <br />in <br />U <br />U <br />3 <br />0 <br />LL 600 <br />d <br />m <br />m <br />`m <br />Q <br />400 <br />200 <br />0 <br />Apr May Jun Jul Aug Sep Oct Nov <br />Beginning of Month <br />ES -9 <br />