US Army Corps of Engineers

Rocky Reach Dam & Lake

February 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 108.08 106.69 106.69 0.00 705.80 705.52 616.78 88.74
2 121.60 121.60 121.60 0.00 705.50 705.25 617.78 87.47
3 146.29 141.58 141.58 0.00 706.12 705.97 619.11 86.86
4 116.55 120.06 120.06 0.00 705.76 705.90 617.60 88.30
5 109.24 111.74 111.74 0.00 705.36 705.27 617.02 88.25
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TOT           
AVG    120.35 120.33 120.33 0.00 705.71 705.58 617.66 87.92
MAX    146.29 141.58 141.58 0.00 706.12 705.97 619.11 88.74
MIN    108.08 106.69 106.69 0.00 705.36 705.25 616.78 86.86