US Army Corps of Engineers

Ice Harbor Dam

Monday February 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 25.50 13.20 11.90 439.10 339.70 99.40 340.41
2 25.40 13.20 11.90 439.08 339.69 99.39 340.32
3 25.40 13.20 11.90 438.95 339.59 99.36 340.33
4 25.40 13.20 11.90 438.80 339.64 99.16 340.28
5 25.50 13.30 11.90 438.80 339.62 99.18 340.30
6 25.50 13.30 11.90 438.92 339.53 99.39 340.32
7 25.60 13.40 11.90 439.51 339.57 99.94 340.32
8 25.40 13.10 12.00 439.62 339.48 100.14 340.28
9 26.70 13.10 13.30 439.85 339.96 99.89 340.46
10 30.20 13.20 15.10 439.54 339.98 99.56 340.55
11 28.60 13.20 15.10 439.83 339.91 99.92 340.45
12 28.50 13.20 15.00 439.51 340.00 99.51 340.47
13 28.40 13.10 15.00 439.47 339.94 99.53 340.44
14 28.50 13.20 15.00 439.32 339.99 99.33 340.52
15 28.50 13.20 15.00 439.21 339.99 99.22 340.51
16 28.50 13.30 15.00 439.08 339.99 99.09 340.51
17 28.50 13.30 14.90 438.79 339.99 98.80 340.53
18 30.10 13.40 14.90 439.18 340.01 99.17 340.56
19 28.60 13.30 15.00 439.54 340.02 99.52 340.53
20 28.60 13.30 15.00 439.48 339.97 99.51 340.51
21 28.70 13.30 15.00 439.90 339.85 100.05 340.48
22 32.40 13.30 18.80 439.97 340.18 99.79 340.80
23 33.60 13.30 20.00 439.62 340.22 99.40 340.98
24 33.50 13.30 19.90 439.81 340.15 99.66 340.74
AVG 28.15 13.25 14.47 439.37 339.87 99.50 340.48
MAX 33.60 13.40 20.00 439.97 340.22 100.14 340.98
MIN 25.40 13.10 11.90 438.79 339.48 98.80 340.28
BUILDING STRONG®