US Army Corps of Engineers

Ice Harbor Dam

Tuesday February 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 33.40 13.30 19.80 439.33 340.09 99.24 340.66
2 29.30 13.30 15.70 439.39 339.53 99.86 340.44
3 28.50 13.30 14.90 439.19 339.48 99.71 340.38
4 28.50 13.30 14.90 438.94 339.45 99.49 340.37
5 28.40 13.20 14.90 439.22 339.53 99.69 340.39
6 28.40 13.30 14.80 438.69 339.45 99.24 340.47
7 29.80 13.20 14.80 439.14 339.61 99.53 340.45
8 28.30 13.10 14.90 439.01 339.55 99.46 340.47
9 28.30 13.10 14.90 439.36 339.58 99.78 340.50
10 28.30 13.10 14.90 439.42 339.67 99.75 340.52
11 28.30 13.10 14.90 439.13 339.69 99.44 340.53
12 29.80 13.10 14.90 439.43 339.66 99.77 340.54
13 28.30 13.20 14.90 438.95 339.73 99.22 340.51
14 28.40 13.20 14.90 439.00 339.64 99.36 340.57
15 29.90 13.20 14.90 438.95 339.72 99.23 340.65
16 28.40 13.20 14.90 438.53 339.58 98.95 340.59
17 30.00 13.30 14.90 438.62 340.13 98.49 340.82
18 28.70 13.40 15.10 438.60 339.63 98.97 340.53
19 28.60 13.40 15.00 438.99 339.66 99.33 340.49
20 28.50 13.40 14.90 439.08 339.58 99.50 340.53
21 28.50 13.30 14.90 439.18 339.58 99.60 340.47
22 28.30 13.30 14.90 439.42 339.59 99.83 340.40
23 28.30 13.20 14.90 439.10 339.61 99.49 340.38
24 28.30 13.20 14.90 439.34 339.49 99.85 340.29
AVG 28.90 13.24 15.14 439.08 339.63 99.45 340.50
MAX 33.40 13.40 19.80 439.43 340.13 99.86 340.82
MIN 28.30 13.10 14.80 438.53 339.45 98.49 340.29
BUILDING STRONG®