US Army Corps of Engineers

Wanapum Dam

Tuesday April 7, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 107.20 105.24 0.00 568.98 490.63 78.36
2 98.00 96.02 0.00 569.18 489.97 79.21
3 82.20 80.22 0.00 569.44 488.83 80.61
4 63.70 61.74 0.00 569.62 488.16 81.46
5 69.80 67.80 0.00 569.72 488.49 81.23
6 98.60 96.56 0.00 569.72 489.81 79.91
7 121.20 118.52 0.67 569.65 491.30 78.35
8 137.50 135.54 0.00 569.83 491.03 78.81
9 88.90 86.89 0.00 570.03 488.60 81.43
10 54.20 52.15 0.00 570.26 487.28 82.97
11 64.80 62.48 0.28 570.64 487.61 83.03
12 53.60 51.57 0.00 570.67 486.94 83.73
13 61.20 59.19 0.00 570.80 486.81 83.99
14 0.00 47.67 0.00 570.92 485.85 85.07
15 0.00 48.13 0.00 570.94 485.73 85.21
16 97.80 54.17 41.63 570.49 488.69 81.80
17 135.20 58.09 75.13 570.46 489.19 81.27
18 131.60 83.51 46.07 569.67 490.85 78.81
19 144.10 142.14 0.00 569.10 491.71 77.39
20 144.40 142.39 0.00 569.40 491.75 77.65
21 141.50 139.47 0.00 569.21 491.58 77.63
22 146.30 144.34 0.00 569.27 491.96 77.31
23 135.80 133.85 0.00 569.40 491.43 77.98
24 145.00 142.95 0.00 569.40 491.71 77.69
AVG 96.77 92.11 6.82 569.87 489.41 80.45
MAX 146.30 144.34 75.13 570.94 491.96 85.21
MIN 0.00 47.67 0.00 568.98 485.73 77.31
BUILDING STRONG®