US Army Corps of Engineers

Wanapum Dam

Monday February 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 112.80 111.37 0.00 569.33 490.52 78.82
2 126.20 124.80 0.00 569.25 491.40 77.85
3 139.30 137.90 0.00 569.31 491.76 77.54
4 140.90 139.53 0.00 569.41 491.84 77.57
5 149.80 148.43 0.00 569.38 492.37 77.01
6 147.20 145.80 0.00 569.53 492.22 77.31
7 163.00 161.59 0.00 569.40 492.95 76.45
8 165.40 164.01 0.00 569.49 493.00 76.49
9 136.50 135.13 0.00 569.69 491.66 78.03
10 114.20 112.80 0.00 569.79 490.76 79.04
11 113.00 111.58 0.00 570.13 490.82 79.31
12 109.00 107.64 0.00 570.34 490.39 79.96
13 95.20 93.77 0.00 570.49 489.77 80.71
14 94.90 93.48 0.00 570.66 489.91 80.75
15 99.80 98.38 0.00 570.87 490.07 80.80
16 105.20 103.79 0.00 570.52 490.49 80.03
17 157.60 156.22 0.00 569.76 492.98 76.78
18 164.30 162.91 0.00 569.49 492.98 76.51
19 143.60 142.19 0.00 569.48 491.93 77.56
20 132.80 131.40 0.00 569.13 491.87 77.26
21 128.60 127.22 0.00 569.30 491.52 77.78
22 135.70 134.33 0.00 569.25 491.82 77.43
23 132.70 131.27 0.00 569.58 491.58 78.00
24 150.70 149.31 0.00 569.32 492.66 76.66
AVG 131.60 130.20 0.00 569.70 491.55 78.15
MAX 165.40 164.01 0.00 570.87 493.00 80.80
MIN 94.90 93.48 0.00 569.13 489.77 76.45
BUILDING STRONG®