US Army Corps of Engineers

Wanapum Dam

Sunday January 25, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 161.60 160.17 0.00 571.21 493.55 77.67
2 168.00 166.61 0.00 570.91 494.13 76.77
3 174.30 172.88 0.00 571.03 494.14 76.89
4 167.90 166.49 0.00 570.84 493.90 76.94
5 166.30 164.87 0.00 570.85 493.95 76.90
6 173.80 172.37 0.00 570.91 494.16 76.75
7 170.90 169.54 0.00 570.80 494.19 76.61
8 173.10 171.72 0.00 570.92 493.83 77.09
9 151.90 150.53 0.00 571.01 493.23 77.78
10 162.70 161.34 0.00 570.99 493.55 77.44
11 168.80 167.35 0.00 571.00 493.62 77.38
12 156.10 154.73 0.00 570.93 493.27 77.66
13 142.40 141.02 0.00 571.09 492.46 78.64
14 116.90 115.54 0.00 570.94 491.46 79.48
15 121.50 120.12 0.00 570.92 492.05 78.88
16 159.60 158.24 0.00 570.98 493.49 77.49
17 149.00 147.58 0.00 570.78 492.83 77.95
18 158.70 157.26 0.00 570.68 493.14 77.54
19 159.00 157.63 0.00 570.80 493.17 77.63
20 160.10 158.66 0.00 570.91 493.24 77.67
21 158.80 157.38 0.00 570.96 493.33 77.63
22 165.20 163.75 0.00 571.04 493.52 77.52
23 160.80 159.40 0.00 571.16 493.40 77.76
24 172.80 171.42 0.00 571.03 494.37 76.66
AVG 159.18 157.78 0.00 570.95 493.42 77.53
MAX 174.30 172.88 0.00 571.21 494.37 79.48
MIN 116.90 115.54 0.00 570.68 491.46 76.61
BUILDING STRONG®