US Army Corps of Engineers

Wanapum Dam

Friday January 30, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 133.30 131.90 0.00 569.40 492.46 76.94
2 128.60 127.17 0.00 569.46 492.17 77.29
3 134.30 132.94 0.00 569.17 492.37 76.80
4 148.10 146.73 0.00 568.92 492.84 76.09
5 151.90 150.48 0.00 568.84 492.98 75.86
6 151.40 149.98 0.00 568.66 493.11 75.55
7 170.30 168.89 0.00 568.64 493.86 74.78
8 157.80 156.43 0.00 569.00 493.05 75.96
9 109.00 107.60 0.00 569.34 491.06 78.28
10 100.70 99.29 0.00 569.67 490.48 79.19
11 112.50 111.09 0.00 570.07 491.38 78.69
12 126.60 125.20 0.00 570.14 491.81 78.33
13 126.10 124.66 0.00 570.28 491.78 78.49
14 129.60 128.16 0.00 570.54 491.77 78.77
15 117.20 115.82 0.00 570.74 491.37 79.37
16 110.10 108.71 0.00 570.75 491.56 79.19
17 145.20 143.75 0.00 570.63 492.85 77.78
18 142.60 141.17 0.00 570.92 492.65 78.27
19 148.30 146.86 0.00 570.94 492.77 78.16
20 147.60 146.16 0.00 570.89 492.78 78.10
21 154.80 153.37 0.00 570.97 493.11 77.86
22 155.40 153.98 0.00 571.16 493.21 77.95
23 157.50 156.14 0.00 570.97 493.37 77.59
24 138.00 136.63 0.00 571.11 492.68 78.43
AVG 137.37 135.96 0.00 570.05 492.39 77.66
MAX 170.30 168.89 0.00 571.16 493.86 79.37
MIN 100.70 99.29 0.00 568.64 490.48 74.78