US Army Corps of Engineers

Wanapum Dam

Saturday May 9, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 111.00 89.45 19.58 569.96 490.13 79.83
2 122.80 100.93 19.82 570.23 490.43 79.80
3 139.70 110.21 27.52 570.32 491.59 78.73
4
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10
11
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24
AVG 124.50 100.19 22.31 570.17 490.72 79.45
MAX 139.70 110.21 27.52 570.32 491.59 79.83
MIN 111.00 89.45 19.58 569.96 490.13 78.73