US Army Corps of Engineers

Lower Monumental Dam & Lake

April 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 87.10 88.70 79.80 8.30 538.42 538.80 440.37 98.43
2 72.70 74.10 65.90 7.60 538.02 537.93 439.61 98.32
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TOT           
AVG    79.90 81.40 72.85 7.95 538.22 538.37 439.99 98.37
MAX    87.10 88.70 79.80 8.30 538.42 538.80 440.37 98.43
MIN    72.70 74.10 65.90 7.60 538.02 537.93 439.61 98.32