US Army Corps of Engineers

Ice Harbor Dam

April 2021

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 8158 340 59 45.10 48.10 47.30 0.00 438.06 438.19 341.78 96.41
2 8857 369 58 52.90 52.20 51.40 0.30 438.23 438.17 342.16 96.01
3 58.30 58.40 19.80 37.80 438.06 438.36 341.70 96.66
4 57.40 57.60 19.60 37.20 437.87 438.02 341.78 96.24
5 59.70 57.50 19.50 37.40 438.33 438.06 341.54 96.52
6 59.70 60.80 20.60 39.30 437.95 437.91 341.87 96.04
7 59.00 58.00 22.80 34.30 438.21 438.01 341.88 96.13
8 60.60 60.90 20.70 39.40 438.11 438.09 342.03 96.06
9 57.70 58.30 19.20 38.30 437.97 438.08 341.82 96.26
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TOT 17015  117        
AVG 8507 354 58 56.71 56.87 26.77 29.33 438.09 438.10 341.84 96.26
MAX 8857   60.60 60.90 51.40 39.40 438.33 438.36 342.16 96.66
MIN 8158   45.10 48.10 19.20 0.00 437.87 437.91 341.54 96.01