US Army Corps of Engineers

Wanapum Dam

Saturday January 24, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 154.10 152.72 0.00 570.34 492.74 77.60
2 151.30 149.89 0.00 570.24 492.82 77.42
3 159.60 158.17 0.00 570.35 493.16 77.19
4 166.90 165.52 0.00 570.14 493.40 76.73
5 166.20 164.76 0.00 569.88 493.51 76.36
6 164.00 162.62 0.00 570.23 493.15 77.08
7 150.70 149.31 0.00 570.17 493.01 77.16
8 159.70 158.31 0.00 570.22 493.10 77.13
9 149.30 147.86 0.00 570.44 492.52 77.92
10 127.40 126.05 0.00 570.64 491.41 79.23
11 115.40 113.96 0.00 570.90 491.13 79.77
12 125.10 123.65 0.00 570.82 491.45 79.37
13 125.70 124.34 0.00 571.12 491.93 79.19
14 138.10 136.71 0.00 570.77 491.44 79.33
15 126.90 125.46 0.00 571.00 491.87 79.14
16 137.70 136.27 0.00 570.77 492.74 78.02
17 152.10 150.69 0.00 571.03 493.30 77.73
18 161.00 159.62 0.00 570.84 493.64 77.20
19 153.30 151.95 0.00 570.90 493.13 77.77
20 165.70 164.28 0.00 570.98 493.67 77.31
21 160.20 158.78 0.00 571.02 493.30 77.72
22 166.80 165.43 0.00 571.01 493.96 77.04
23 173.00 171.64 0.00 571.08 493.87 77.21
24 165.20 163.77 0.00 571.17 493.68 77.50
AVG 150.64 149.24 0.00 570.67 492.83 77.84
MAX 173.00 171.64 0.00 571.17 493.96 79.77
MIN 115.40 113.96 0.00 569.88 491.13 76.36
BUILDING STRONG®