US Army Corps of Engineers

Wanapum Dam

Wednesday December 17, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 141.70 140.35 0.00 570.33 492.54 77.79
2 127.00 125.65 0.00 570.42 491.94 78.48
3 130.90 129.47 0.00 570.63 492.38 78.25
4 97.20 93.40 2.40 570.47 490.45 80.03
5 105.40 98.11 5.85 570.44 491.10 79.34
6 141.40 140.01 0.00 570.90 492.57 78.33
7 142.20 140.85 0.00 570.85 492.44 78.41
8 151.00 149.55 0.00 571.20 492.96 78.24
9 179.50 167.49 10.63 571.29 494.56 76.73
10 183.50 180.06 2.07 570.58 494.24 76.34
11 168.00 166.63 0.00 570.54 493.78 76.76
12 165.10 163.73 0.00 570.64 493.37 77.27
13 167.60 166.18 0.00 570.40 493.52 76.88
14 139.70 138.33 0.00 570.62 492.02 78.60
15 138.20 136.83 0.00 570.31 492.86 77.46
16 160.60 159.24 0.00 570.42 493.39 77.03
17 169.40 167.97 0.00 570.66 493.65 77.01
18 162.50 161.10 0.00 570.58 493.42 77.17
19 151.70 150.29 0.00 570.64 493.09 77.54
20 164.20 162.81 0.00 570.69 493.50 77.19
21 154.50 153.11 0.00 570.62 493.38 77.24
22 162.50 161.12 0.00 570.60 493.35 77.25
23 162.90 161.45 0.00 570.46 493.56 76.90
24 163.50 162.13 0.00 570.58 493.35 77.24
AVG 151.26 148.99 0.87 570.62 492.98 77.64
MAX 183.50 180.06 10.63 571.29 494.56 80.03
MIN 97.20 93.40 0.00 570.31 490.45 76.34
BUILDING STRONG®