US Army Corps of Engineers

Wanapum Dam

Tuesday December 16, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 107.30 105.94 0.00 570.22 490.71 79.51
2 119.60 118.23 0.00 570.42 491.44 78.99
3 129.60 128.17 0.00 570.45 491.84 78.62
4 127.00 125.60 0.00 570.32 491.75 78.57
5 127.60 126.18 0.00 570.35 491.70 78.65
6 129.60 128.17 0.00 570.19 492.17 78.02
7 140.60 139.18 0.00 569.84 492.62 77.22
8 147.00 145.56 0.00 569.85 492.79 77.06
9 161.60 160.18 0.00 569.69 493.32 76.37
10 156.50 155.14 0.00 569.93 492.94 76.99
11 151.50 150.09 0.00 569.92 492.69 77.23
12 139.10 137.71 0.00 570.14 492.24 77.90
13 124.90 123.45 0.00 570.46 491.72 78.74
14 129.70 128.28 0.00 570.53 491.89 78.65
15 128.20 126.76 0.00 570.56 492.05 78.52
16 155.60 154.21 0.00 570.46 493.23 77.23
17 152.80 151.41 0.00 570.21 492.94 77.27
18 156.40 154.95 0.00 570.26 493.11 77.15
19 149.70 148.34 0.00 570.19 492.92 77.27
20 151.20 149.79 0.00 570.34 492.82 77.52
21 144.20 142.75 0.00 570.41 492.57 77.83
22 113.10 111.69 0.00 570.69 491.21 79.47
23 124.70 123.26 0.00 570.45 491.93 78.52
24 139.60 138.18 0.00 570.55 492.53 78.02
AVG 137.80 136.38 0.00 570.27 492.30 77.97
MAX 161.60 160.18 0.00 570.69 493.32 79.51
MIN 107.30 105.94 0.00 569.69 490.71 76.37
BUILDING STRONG®