US Army Corps of Engineers

Wanapum Dam

Saturday October 25, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 108.40 104.46 1.94 569.64 490.26 79.37
2 119.30 115.53 1.78 568.91 490.35 78.56
3 113.50 109.82 1.65 568.69 490.32 78.37
4 121.40 117.83 1.57 568.33 490.54 77.79
5 104.30 100.83 1.45 567.97 489.87 78.10
6 76.70 73.28 1.39 567.90 488.00 79.90
7 63.80 60.48 1.36 567.79 487.87 79.93
8 53.50 50.19 1.35 567.85 487.39 80.46
9 55.20 51.75 1.41 568.20 487.50 80.70
10 50.80 47.35 1.48 568.30 487.30 81.00
11 55.90 52.41 1.50 568.37 487.53 80.84
12 55.80 52.19 1.58 568.89 487.58 81.31
13 47.80 44.02 1.73 569.21 487.34 81.87
14 57.10 53.31 1.81 569.42 487.81 81.61
15 46.10 42.22 1.86 569.56 487.32 82.24
16 68.50 64.61 1.87 569.62 488.02 81.59
17 49.80 45.86 1.89 569.69 487.78 81.91
18 62.00 58.05 1.93 569.76 488.61 81.15
19 92.90 88.94 1.92 569.71 489.99 79.72
20 77.40 73.47 1.94 569.84 488.72 81.12
21 66.00 62.06 1.96 569.81 488.56 81.24
22 71.40 67.48 1.90 569.62 488.95 80.68
23 80.00 76.05 1.91 569.65 489.17 80.48
24 79.90 76.01 1.84 569.16 488.55 80.62
AVG 74.06 70.34 1.71 569.00 488.55 80.44
MAX 121.40 117.83 1.96 569.84 490.54 82.24
MIN 46.10 42.22 1.35 567.79 487.30 77.79
BUILDING STRONG®