US Army Corps of Engineers

Wanapum Dam

Wednesday May 28, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 140.30 118.95 19.32 569.59 491.84 77.75
2 140.40 118.97 19.46 569.58 492.19 77.40
3 129.40 107.82 19.55 569.82 491.62 78.19
4 129.90 108.20 19.66 570.05 491.77 78.28
5 124.10 102.21 19.88 570.26 491.86 78.40
6 128.50 106.56 19.96 570.37 491.69 78.68
7 123.10 101.05 20.01 570.41 491.33 79.08
8 133.30 111.35 19.98 570.16 491.78 78.38
9 131.40 109.61 19.84 570.11 491.87 78.24
10 113.60 91.68 19.89 570.14 491.08 79.05
11 137.70 116.02 19.65 569.39 491.97 77.42
12 142.90 121.51 19.36 569.50 492.25 77.25
13 137.30 115.95 19.39 569.37 492.17 77.20
14 142.80 121.52 19.27 569.11 492.38 76.72
15 111.00 89.83 19.20 569.18 490.52 78.66
16 139.10 118.06 19.04 568.82 491.88 76.94
17 132.30 111.26 19.02 569.00 491.65 77.35
18 133.20 112.12 19.08 568.98 491.54 77.44
19 133.10 112.13 19.00 568.92 491.56 77.36
20 135.70 114.62 19.05 569.04 491.70 77.34
21 138.50 117.32 19.15 569.16 491.82 77.33
22 134.10 112.85 19.27 569.45 491.72 77.73
23 138.30 116.91 19.44 569.69 491.82 77.88
24 138.20 116.55 19.61 569.97 491.53 78.44
AVG 132.84 111.38 19.46 569.59 491.73 77.85
MAX 142.90 121.52 20.01 570.41 492.38 79.08
MIN 111.00 89.83 19.00 568.82 490.52 76.72