US Army Corps of Engineers

Wanapum Dam

Friday October 24, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 138.40 134.68 1.68 568.86 491.24 77.62
2 122.00 118.31 1.65 568.59 490.70 77.88
3 128.10 124.66 1.46 567.93 490.65 77.28
4 118.70 115.37 1.32 567.65 490.41 77.24
5 82.70 79.34 1.32 567.51 488.35 79.15
6 88.10 84.91 1.17 567.04 488.57 78.46
7 60.20 57.04 1.11 566.91 487.29 79.63
8 54.40 51.23 1.14 567.26 486.89 80.37
9 51.20 47.98 1.20 567.50 486.96 80.54
10 49.20 45.92 1.28 567.75 486.78 80.97
11 56.20 52.85 1.38 568.12 487.30 80.82
12 53.60 50.06 1.51 568.55 487.13 81.42
13 55.00 51.41 1.60 568.79 487.25 81.54
14 52.50 48.80 1.69 569.05 487.12 81.94
15 64.50 60.70 1.76 569.36 487.63 81.73
16 63.80 59.98 1.83 569.49 487.79 81.70
17 60.50 56.65 1.86 569.54 487.76 81.78
18 77.50 73.61 1.89 569.61 488.83 80.78
19 94.50 90.56 1.94 570.02 489.07 80.94
20 54.10 50.05 2.06 570.31 487.39 82.92
21 73.10 68.95 2.12 570.32 488.35 81.97
22 86.20 82.13 2.09 570.32 488.95 81.37
23 95.50 91.45 2.02 569.82 489.35 80.47
24 104.10 100.17 1.97 569.90 489.65 80.24
AVG 78.50 74.87 1.63 568.76 488.39 80.37
MAX 138.40 134.68 2.12 570.32 491.24 82.92
MIN 49.20 45.92 1.11 566.91 486.78 77.24