US Army Corps of Engineers

Wanapum Dam

Wednesday July 23, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 125.50 106.07 17.46 566.77 490.51 76.25
2 108.60 89.01 17.54 566.75 489.77 76.98
3 103.50 83.93 17.55 566.83 489.58 77.25
4 96.90 77.25 17.60 566.92 489.31 77.62
5 103.60 83.94 17.62 566.76 489.95 76.81
6 121.70 102.24 17.45 566.54 490.60 75.94
7 106.10 86.79 17.33 566.43 489.45 76.97
8 72.00 52.63 17.38 566.51 487.61 78.90
9 55.80 36.46 17.35 566.52 486.95 79.57
10 50.70 31.24 17.42 566.67 486.90 79.77
11 62.70 43.26 17.47 566.58 487.60 78.98
12 69.20 49.77 17.43 566.63 487.64 78.99
13 78.80 59.40 17.42 566.61 488.12 78.50
14 73.60 54.05 17.51 566.86 487.90 78.96
15 85.30 65.66 17.59 566.78 488.84 77.94
16 96.20 76.60 17.55 566.84 489.48 77.36
17 121.70 102.20 17.54 566.75 490.70 76.05
18 113.70 94.03 17.64 567.13 490.14 76.99
19 130.30 110.64 17.65 566.90 491.55 75.35
20 165.30 145.71 17.56 567.09 492.63 74.46
21 134.20 114.38 17.86 567.30 490.83 76.47
22 92.40 72.45 17.94 567.38 489.15 78.23
23 126.90 106.88 18.01 567.72 490.97 76.75
24 138.90 118.67 18.26 568.14 491.15 76.99
AVG 101.40 81.80 17.59 566.89 489.47 77.42
MAX 165.30 145.71 18.26 568.14 492.63 79.77
MIN 50.70 31.24 17.33 566.43 486.90 74.46