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<br />. BLACK LAKE ENLARGEMENT (BLE) . <br />tential Aquatic Habitat Impact <br />Associated with Future Buildout of VaiI (1) <br /> <br />TABLE 1 <br /> <br />Month (4) <br />days in month <br /> <br />Oct <br />1 -31 <br /> <br />Nov Dec <br />1 - 30 1 - 31 <br /> <br />Jan <br />1 - 31 <br /> <br />Feb <br />1 - 28 <br /> <br />Mar Mar <br />1 - 15 16 - 31 <br /> <br />===================================================================================== <br /> <br />1967 w/o BLE (cfs) (2) 12.93 7.84 4.4 3.62 3.69 6.66 6.66 <br />Adult Habitat (3) 3346 2882 2942 4521 4521 <br />Future w/o BLE (cfs) 12.54 7.16 3.39 1.8 2.14 5.33 5.33 <br />Adult Habitat (3) 2763 1824 1894 3832 3832 <br />Potential Impact (3) -583 -1058 -1047.4 -688.1 -688.1 <br />(w/o mitigation) <br /> <br />===================================================================================== <br /> <br />1975 w/o BLE (cfs) (2) 12.63 8.84 4.78 4.6 3.51 3.06 3.06 <br />Adult Habitat (3) 3572 3459 2823 2525 2525 <br />Future w/o BLE (cfs) 12.24 8.16 3.77 2.78 1.96 1. 73 1. 73 <br />AduIt Habitat (3) 3001 2385 1824 1824 1824 <br />Potential Impact (3) -571 -1074.2 -998.5 -701 -701 <br />(w/o mitigation) <br /> <br />===================================================================================== <br /> <br />1977 w/o BLE (cfs) (2) 28.33 12.24 6.51 6.51 4.44 3.89 3.89 <br />Adult Habitat (3) 4422 4422 3346 3061 3061 <br />Future w/o BLE (cfs) 27.94 11. 56 5.5 3.6 2.89 2.56 2.56 <br />Adult Habitat (3) 3931 2882 2455 2175 2175 <br />Potential Impact (3) -491.5 -1540.25 -891.1 -886 -886 <br />(w/o mitigation) <br /> <br />===================================================================================== <br /> <br />1983 w/o BLE (cfs) (2) 29.32 18.18 12.53 12.66 10.85 9.01 9.01 <br />Adult Habitat (3) 6991 7069 6327 5571 5571 <br />Future w/o BLE (cfs) 28.93 17.5 11.52 10.84 9.3 7.68 7.68 <br />Adult Habitat (3) 6605 6327 5697 4984 4984 <br />Potential Impact (3) -387 -741.9 -630 -586.95 -586.95 <br />(w/o mitigation) <br /> <br />===================================================================================== <br /> <br />FOOTNOTES: <br /> <br />(1) Water use approved in the VaiI Valley Consolidated Water District Augmentation <br />Plan (Case No. 82CS328). which requires enlargement of Black Lakes for <br />aquatic impact mitigation. <br />(2) Based upon the 1985 level of water use in Vail. <br />(3) AduIt brown trout habitat shown in square feet per 1000 feet of stream. <br />(4) Figures shown for both flows and habitat are the averages for each month. <br />TypicaIly, flows tend to decrease during the fall through mid-December and <br />begin increasing in mid-February. <br /> <br />FISHHAB6.WK1 <br />RMW 10/12/89 <br />