US Army Corps of Engineers

Wanapum Dam

Sunday February 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 158.60 157.21 0.00 570.55 493.63 76.92
2 142.20 140.79 0.00 570.64 492.83 77.81
3 172.40 171.04 0.00 570.07 494.10 75.97
4 176.20 174.78 0.00 569.79 494.11 75.68
5 168.30 166.94 0.00 569.71 493.88 75.82
6 172.40 171.04 0.00 569.35 494.28 75.07
7 176.70 175.26 0.00 569.47 494.23 75.25
8 134.70 133.29 0.00 569.72 491.86 77.86
9 112.40 110.97 0.00 569.64 490.97 78.66
10 106.10 104.69 0.00 569.88 490.78 79.10
11 100.80 99.39 0.00 570.04 490.21 79.82
12 86.00 84.62 0.00 569.97 489.63 80.34
13 93.40 92.04 0.00 570.11 489.72 80.39
14 70.80 69.40 0.00 570.38 488.06 82.32
15 73.60 72.20 0.00 570.05 488.59 81.46
16 59.10 57.74 0.00 570.02 488.72 81.30
17 117.70 116.28 0.00 569.78 491.17 78.62
18 167.70 166.26 0.00 569.39 492.93 76.46
19 151.70 150.30 0.00 569.10 492.38 76.72
20 135.50 134.10 0.00 568.82 491.78 77.04
21 131.30 129.88 0.00 568.58 491.68 76.90
22 127.20 125.79 0.00 568.82 491.52 77.30
23 132.40 130.96 0.00 568.83 491.60 77.23
24 136.20 134.75 0.00 569.03 491.53 77.50
AVG 129.31 127.91 0.00 569.66 491.67 77.98
MAX 176.70 175.26 0.00 570.64 494.28 82.32
MIN 59.10 57.74 0.00 568.58 488.06 75.07