US Army Corps of Engineers

Wanapum Dam

Tuesday July 29, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 76.30 57.11 17.15 566.21 487.76 78.45
2 75.50 56.48 16.98 565.74 487.91 77.82
3 66.10 47.21 16.88 565.87 487.54 78.33
4 68.00 49.09 16.93 565.81 487.62 78.19
5 76.70 57.97 16.75 565.45 488.04 77.41
6 89.90 71.25 16.61 565.42 488.71 76.71
7 61.00 42.37 16.67 565.48 486.77 78.71
8 58.00 39.40 16.62 565.38 486.94 78.44
9 64.60 45.95 16.62 565.60 487.19 78.41
10 72.30 53.57 16.76 565.59 487.63 77.96
11 63.50 44.85 16.64 565.33 487.10 78.23
12 59.40 40.83 16.56 565.42 486.96 78.46
13 62.80 44.19 16.65 565.52 487.18 78.35
14 66.00 47.33 16.69 565.52 487.31 78.21
15 77.80 59.09 16.69 565.58 488.02 77.56
16 81.20 62.43 16.76 565.66 488.21 77.46
17 96.00 77.36 16.67 565.48 489.20 76.28
18 103.70 85.07 16.66 565.51 489.97 75.53
19 128.50 109.71 16.75 565.71 491.44 74.27
20 143.70 124.83 16.90 566.00 491.25 74.75
21 121.40 102.32 17.10 566.37 490.14 76.23
22 96.20 76.99 17.24 566.24 489.24 77.00
23 123.60 104.47 17.12 566.11 490.49 75.63
24 93.60 74.30 17.27 566.63 488.84 77.79
AVG 84.41 65.59 16.82 565.73 488.39 77.34
MAX 143.70 124.83 17.27 566.63 491.44 78.71
MIN 58.00 39.40 16.56 565.33 486.77 74.27