US Army Corps of Engineers

Cougar Dam

September 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow cfsTotal Outflow cfsGeneration Flow cfsSpill cfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetMidnight Storage kaf
1 85 4 0 211 350 180 180 1558.57 1558.78 1252.06 306.72 67641.39
2 82 3 2 240 360 170 190 1558.22 1558.36 1252.04 306.32 67431.57
3 82 3 2 275 350 160 190 1557.89 1558.08 1252.04 306.04 67233.75
4 82 3 2 350 150 200 1557.65 1252.05 305.60 66963.38
5 82 3 2 340 150 190 1557.00 1557.21 1252.04 305.17 66700.00
6 83 3 2 203 340 150 190 1556.59 1556.79 1252.05 304.74 66412.16
7 90 4 1 178 340 160 180 1556.21 1556.35 1252.15 304.20 66146.42
8 90 4 1 179 340 160 180 1555.62 1555.87 1252.10 303.77 65771.40
9 87 4 0 186 340 160 180 1555.11 1555.37 1252.11 303.26 65465.75
10 86 4 0 182 350 160 190 1554.57 1554.83 1252.15 302.68 65141.37
11 86 4 0 180 360 160 190 1554.00 1554.29 1252.15 302.14 64800.00
12 88 4 0 177 350 160 190 1553.46 1553.71 1252.05 301.66 64475.35
13 82 3 0 211 350 150 210 1552.99 1553.21 1252.05 301.16 64193.97
14 79 3 0 206 350 140 200 1552.50 1552.74 1252.03 300.71 63899.34
15 81 3 8 186 350 150 200 1551.96 1552.22 1252.09 300.13 63575.90
16 184 350 1551.43 1551.69 1252.04 299.65 63257.35
17 184 340 1550.88 1551.15 1252.04 299.11 62915.61
18 158 350 1550.34 1550.62 1252.04 298.58 62537.17
19 151 350 1549.78 1550.06 1251.62 298.44 62167.53
20 179 340 1549.22 1549.50 1252.05 297.45 61831.53
21 180 350 1548.65 1548.94 1252.05 296.89 61524.57
22 204 350 1548.07 1548.37 1252.05 296.32 61234.88
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30
TOT 1265  20         
AVG 84 4 1 193 348 157 191 1553.48 1553.90 1252.05 301.85 64605.47
MAX 90   275 360 180 210 1558.57 1558.78 1252.15 306.72 67641.39
MIN 79   151 340 140 180 1548.07 1548.37 1251.62 296.32 61234.88
BUILDING STRONG®