US Army Corps of Engineers

Ice Harbor Dam

Sunday November 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 14.60 12.60 0.00 438.58 338.94 99.64 339.19
2 13.10 12.60 0.00 438.69 338.73 99.96 338.93
3 13.10 12.60 0.00 438.63 338.92 99.71 339.06
4 13.10 12.60 0.00 438.70 339.01 99.69 339.16
5 13.60 12.70 0.40 438.53 338.85 99.68 339.47
6 22.00 12.70 8.80 438.59 339.15 99.44 339.89
7 22.10 12.70 8.90 438.75 339.16 99.59 339.78
8 22.00 12.60 8.80 438.65 339.09 99.56 339.78
9 21.40 12.60 8.40 438.71 339.16 99.55 339.34
10 13.10 12.60 0.00 438.76 339.25 99.51 339.41
11 13.20 12.70 0.00 438.55 339.41 99.14 339.58
12 13.10 12.60 0.00 438.84 339.39 99.45 339.55
13 13.10 12.60 0.00 438.60 339.46 99.14 339.61
14 13.10 12.60 0.00 438.62 339.39 99.23 339.54
15 13.10 12.60 0.00 438.66 339.35 99.31 339.53
16 13.20 12.70 0.00 438.50 339.37 99.13 339.47
17 13.20 12.70 0.00 438.71 339.29 99.42 339.45
18 13.20 12.70 0.00 438.93 339.21 99.72 339.36
19 13.10 12.60 0.00 438.89 339.16 99.73 339.33
20 13.10 12.60 0.00 439.10 339.13 99.97 339.27
21 13.00 12.50 0.00 439.19 339.01 100.18 339.17
22 13.10 12.60 0.00 439.35 338.98 100.37 339.12
23 13.00 12.50 0.00 439.27 338.90 100.37 339.05
24 14.50 12.50 0.00 439.31 338.94 100.37 339.12
AVG 14.71 12.62 1.47 438.80 339.14 99.66 339.38
MAX 22.10 12.70 8.90 439.35 339.46 100.37 339.89
MIN 13.00 12.50 0.00 438.50 338.73 99.13 338.93
BUILDING STRONG®