US Army Corps of Engineers

Ice Harbor Dam

Friday October 30, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.20 12.70 0.00 438.76 338.34 100.42 338.51
2 13.20 12.70 0.00 438.82 338.32 100.50 338.49
3 13.30 12.80 0.00 438.75 338.40 100.35 338.57
4 13.20 12.70 0.00 438.73 338.36 100.37 338.54
5 13.70 12.80 0.50 438.72 338.26 100.46 339.04
6 22.10 12.70 8.80 438.64 338.61 100.03 339.30
7 23.00 13.50 9.00 438.80 339.55 99.25 339.81
8 35.90 26.50 8.90 438.56 340.10 98.46 340.50
9 35.70 26.60 8.50 438.72 339.97 98.75 340.01
10 27.00 26.50 0.00 438.50 339.26 99.24 339.43
11 13.30 12.80 0.00 438.39 338.52 99.87 338.64
12 13.30 12.80 0.00 438.59 338.84 99.75 339.02
13 13.10 12.60 0.00 438.48 338.76 99.72 338.87
14 13.00 12.50 0.00 438.66 338.77 99.89 338.85
15 13.00 12.50 0.00 438.50 338.85 99.65 338.96
16 13.00 12.50 0.00 438.42 338.83 99.59 338.96
17 13.40 12.90 0.00 438.54 338.83 99.71 339.04
18 13.40 12.90 0.00 438.54 338.86 99.68 339.02
19 14.80 12.80 0.00 438.51 338.83 99.68 339.00
20 13.40 12.90 0.00 438.69 338.88 99.81 339.10
21 13.30 12.80 0.00 438.66 338.80 99.86 338.96
22 13.40 12.90 0.00 438.73 338.82 99.91 339.02
23 13.30 12.80 0.00 438.71 338.81 99.90 338.98
24 13.30 12.80 0.00 438.69 338.81 99.88 338.98
AVG 16.55 14.50 1.49 438.63 338.85 99.78 339.07
MAX 35.90 26.60 9.00 438.82 340.10 100.50 340.50
MIN 13.00 12.50 0.00 438.39 338.26 98.46 338.49
BUILDING STRONG®