US Army Corps of Engineers

Ice Harbor Dam

Wednesday August 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 21.40 13.00 7.90 437.74 338.76 98.98 339.24
2 21.40 13.00 7.90 437.86 338.69 99.17 339.22
3 21.40 13.00 7.90 437.79 338.77 99.02 339.21
4 21.40 13.00 7.90 437.97 338.73 99.24 339.28
5 21.40 13.00 7.90 437.94 338.79 99.15 339.27
6 21.40 13.00 7.90 438.02 338.83 99.19 339.34
7 21.40 13.00 7.90 438.11 338.86 99.25 339.33
8 21.40 12.90 7.90 438.20 338.90 99.30 339.37
9 21.40 12.90 7.90 438.18 338.94 99.24 339.40
10 21.30 12.80 7.90 438.19 338.88 99.31 339.40
11 23.10 13.20 7.90 438.27 339.24 99.03 339.65
12 34.20 25.70 7.90 438.21 340.11 98.10 340.44
13 34.40 26.00 7.90 438.31 340.08 98.23 340.39
14 34.40 25.90 7.90 438.14 340.06 98.08 340.36
15 34.50 26.00 7.90 438.24 340.03 98.21 340.32
16 35.90 25.90 7.90 438.23 340.08 98.15 340.34
17 34.40 25.90 7.90 438.17 340.04 98.13 340.30
18 36.00 26.10 7.90 438.12 340.11 98.01 340.34
19 34.60 26.20 7.90 438.08 339.95 98.13 340.28
20 34.40 26.00 7.90 438.07 339.96 98.11 340.26
21 34.40 26.00 7.90 438.10 339.90 98.20 340.19
22 34.40 26.00 7.90 437.76 339.91 97.85 340.21
23 34.30 25.90 7.90 437.77 339.86 97.91 340.18
24 23.80 13.90 7.90 437.86 338.50 99.36 339.00
AVG 28.20 19.51 7.90 438.06 339.42 98.64 339.81
MAX 36.00 26.20 7.90 438.31 340.11 99.36 340.44
MIN 21.30 12.80 7.90 437.74 338.50 97.85 339.00