US Army Corps of Engineers

Ice Harbor Dam

Friday January 30, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 23.50 13.20 10.00 439.20 339.30 99.90 339.92
2 23.50 13.20 10.00 439.17 339.16 100.01 339.83
3 23.50 13.20 9.90 438.91 339.18 99.73 339.80
4 23.50 13.20 9.90 438.98 339.12 99.86 339.79
5 23.40 13.20 9.90 438.75 339.18 99.57 339.85
6 23.50 13.30 9.90 439.08 339.17 99.91 339.75
7 24.00 13.20 10.50 439.36 339.43 99.93 339.97
8 28.60 13.20 15.00 439.48 339.57 99.91 340.06
9 28.60 13.20 15.10 439.79 339.51 100.28 340.01
10 32.10 13.20 18.60 439.56 339.80 99.76 340.34
11 33.40 13.30 19.90 439.30 339.81 99.49 340.35
12 33.50 13.30 19.90 439.31 339.82 99.49 340.35
13 33.50 13.30 19.90 439.04 339.76 99.28 340.34
14 33.60 13.30 20.00 438.96 339.81 99.15 340.36
15 33.60 13.30 20.00 438.65 339.80 98.85 340.39
16 35.10 13.40 19.90 438.80 339.81 98.99 340.45
17 33.60 13.30 20.00 439.22 339.79 99.43 340.37
18 33.70 13.40 20.00 439.15 339.78 99.37 340.36
19 33.30 13.00 20.00 439.45 340.37 99.08 340.91
20 33.30 13.00 20.00 439.38 339.87 99.51 340.32
21 33.20 13.00 19.90 439.53 339.81 99.72 340.29
22 33.20 13.00 20.00 439.71 339.78 99.93 340.29
23 33.10 13.00 19.80 439.35 339.70 99.65 340.20
24 33.10 13.00 19.80 439.50 339.69 99.81 340.23
AVG 30.14 13.20 16.58 439.23 339.63 99.61 340.19
MAX 35.10 13.40 20.00 439.79 340.37 100.28 340.91
MIN 23.40 13.00 9.90 438.65 339.12 98.85 339.75
BUILDING STRONG®