US Army Corps of Engineers

Ice Harbor Dam

Thursday November 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.10 12.60 0.00 438.90 338.61 100.29 338.80
2 14.60 12.60 0.00 438.63 338.87 99.76 338.92
3 13.10 12.60 0.00 438.81 338.64 100.17 338.81
4 14.70 12.70 0.00 438.75 338.60 100.15 338.83
5 13.10 12.60 0.00 438.86 338.55 100.31 338.77
6 21.90 12.70 8.70 438.88 338.90 99.98 339.58
7 22.40 12.60 9.20 439.07 338.77 100.30 339.53
8 22.30 12.60 9.20 438.96 338.86 100.10 339.57
9 22.40 12.70 9.30 439.10 339.03 100.07 339.75
10 15.10 12.70 0.40 439.23 339.10 100.13 339.30
11 13.20 12.70 0.00 438.95 339.20 99.75 339.36
12 13.20 12.70 0.00 439.20 339.31 99.89 339.43
13 13.20 12.70 0.00 439.03 339.32 99.71 339.47
14 13.10 12.60 0.00 439.07 339.31 99.76 339.41
15 13.30 12.80 0.00 439.15 339.26 99.89 339.43
16 26.10 25.60 0.00 438.81 340.17 98.64 340.29
17 26.70 26.20 0.00 438.92 340.04 98.88 340.12
18 26.80 26.30 0.00 438.73 340.02 98.71 340.05
19 26.70 26.20 0.00 438.87 339.89 98.98 339.99
20 14.30 13.80 0.00 439.01 339.33 99.68 339.38
21 15.20 13.20 0.00 438.73 338.93 99.80 339.08
22 13.70 13.20 0.00 439.03 338.68 100.35 338.87
23 15.10 13.10 0.00 438.98 338.66 100.32 338.84
24 13.60 13.10 0.00 438.89 338.47 100.42 338.63
AVG 17.37 15.02 1.53 438.94 339.11 99.84 339.34
MAX 26.80 26.30 9.30 439.23 340.17 100.42 340.29
MIN 13.10 12.60 0.00 438.63 338.47 98.64 338.63
BUILDING STRONG®