US Army Corps of Engineers

Wanapum Dam

Tuesday December 9, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 53.30 51.88 0.00 569.13 487.65 81.48
2 60.00 58.63 0.00 569.18 488.42 80.76
3 75.80 74.35 0.00 569.07 489.10 79.97
4 85.30 83.90 0.00 568.94 489.45 79.49
5 99.50 98.06 0.00 568.88 490.64 78.24
6 115.20 113.76 0.00 568.67 491.08 77.58
7 99.20 97.75 0.00 568.91 490.62 78.29
8 106.50 105.10 0.00 569.23 490.58 78.65
9 116.40 115.05 0.00 568.84 491.21 77.63
10 87.60 86.15 0.00 569.10 489.65 79.45
11 90.80 89.38 0.00 569.22 490.11 79.12
12 91.50 90.09 0.00 569.51 489.90 79.61
13 87.70 86.25 0.00 569.69 489.85 79.84
14 92.40 91.02 0.00 569.56 490.05 79.51
15 91.90 90.54 0.00 569.74 489.99 79.75
16 105.10 103.75 0.00 569.15 491.02 78.13
17 120.60 119.15 0.00 568.78 491.36 77.43
18
19
20
21
22
23
24
AVG 92.87 91.46 0.00 569.15 490.04 79.11
MAX 120.60 119.15 0.00 569.74 491.36 81.48
MIN 53.30 51.88 0.00 568.67 487.65 77.43