US Army Corps of Engineers

Wanapum Dam

Monday October 27, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 84.00 80.31 1.67 568.76 488.37 80.39
2 71.90 68.28 1.60 568.47 487.57 80.90
3 77.20 73.68 1.48 568.22 487.72 80.50
4 50.80 47.31 1.45 568.03 485.70 82.33
5 60.90 57.56 1.36 567.67 486.67 81.00
6 63.40 60.20 1.24 567.48 486.96 80.52
7 44.20 40.99 1.26 567.44 485.40 82.04
8 47.00 43.75 1.28 567.53 485.85 81.68
9 48.60 45.34 1.27 567.79 485.86 81.94
10 56.20 52.81 1.36 567.96 486.04 81.92
11 44.40 40.98 1.43 568.18 485.56 82.61
12 40.80 37.28 1.48 568.45 485.04 83.41
13 40.50 36.89 1.57 568.69 484.94 83.75
14 36.00 32.40 1.64 568.90 484.96 83.94
15 36.60 32.87 1.69 569.08 484.69 84.39
16 43.00 39.28 1.75 569.22 485.33 83.90
17 50.00 46.27 1.78 569.31 485.91 83.40
18 77.00 73.24 1.79 569.24 487.92 81.32
19 130.60 126.80 1.76 569.10 490.62 78.48
20 125.00 121.27 1.72 569.04 490.18 78.86
21 110.20 106.49 1.70 568.93 489.71 79.22
22 110.80 107.16 1.68 568.87 489.88 78.99
23 121.40 117.79 1.64 568.75 490.37 78.38
24 100.00 96.44 1.59 568.39 489.15 79.24
AVG 69.60 66.06 1.55 568.48 487.10 81.38
MAX 130.60 126.80 1.79 569.31 490.62 84.39
MIN 36.00 32.40 1.24 567.44 484.69 78.38