US Army Corps of Engineers

Big Cliff 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
1 161 7 1 1774 1330 1330 0 1201.00 1195.91 1110.52 85.39 5730.00
2 206 9 1 1694 1520 1520 0 1199.78 1197.61 1110.86 86.75 5564.41
3 203 8 1 1455 1520 1520 0 1200.72 1196.75 1110.87 85.88 5693.31
4 213 9 1 1570 0 1200.41 1197.14 1110.95 86.19 5652.95
5 210 9 1 1560 1560 0 1200.61 1196.95 1110.93 86.02 5678.96
6 212 9 1 1572 1580 1580 0 1200.26 1196.86 1110.96 85.90 5633.52
7 211 9 1 1584 1570 1570 0 1200.52 1196.81 1110.94 85.87 5667.24
8 212 9 1 1577 1580 1580 0 1200.31 1196.86 1110.96 85.90 5639.99
9 1582 1570 1200.52 1196.85 1110.94 85.91 5667.24
10 1580 1580 1200.35 1196.89 1110.93 85.96 5645.17
11 1331 1570 1200.69 1194.52 1110.92 83.60 5689.39
12 1590 1570 1200.75 1195.69 1110.93 84.76 5697.23
13 1583 1580 1200.59 1195.68 1110.92 84.76 5676.35
14 1577 1570 1200.76 1195.64 1110.92 84.72 5698.54
15 1569 1570 1200.27 1195.63 1110.92 84.71 5634.82
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TOT 1628  5         
AVG 204 8 1 1575 1548 1529 0 1200.50 1196.39 1110.90 85.49 5664.61
MAX 213   1774 1580 1580 0 1201.00 1197.61 1110.96 86.75 5730.00
MIN 161   1331 1330 1330 0 1199.78 1194.52 1110.52 83.60 5564.41