US Army Corps of Engineers

Ice Harbor Dam

Saturday January 31, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 32.90 12.80 19.90 439.40 339.59 99.81 340.22
2 33.00 12.90 19.80 439.05 339.68 99.37 340.25
3 33.10 12.90 19.80 439.12 339.62 99.50 340.18
4 33.00 12.90 19.80 438.81 339.68 99.13 340.18
5 33.00 12.90 19.70 438.68 339.67 99.01 340.12
6 33.10 12.90 19.90 438.83 339.64 99.19 340.15
7 33.20 13.00 20.00 438.90 339.63 99.27 340.22
8 33.20 12.90 20.00 439.03 339.62 99.41 340.16
9 33.10 12.80 20.00 439.00 339.59 99.41 340.17
10 33.10 12.80 20.00 438.80 339.60 99.20 340.16
11 33.10 12.80 20.00 438.93 339.57 99.36 340.18
12 33.10 12.80 20.00 438.77 339.68 99.09 340.21
13 33.10 12.80 19.90 438.75 339.67 99.08 340.27
14 33.20 13.00 20.00 438.73 339.78 98.95 340.25
15 33.10 12.90 19.90 438.60 339.79 98.81 340.34
16 33.20 13.00 19.90 438.73 339.87 98.86 340.41
17 33.20 12.90 19.90 438.62 340.19 98.43 340.73
18 34.70 13.00 19.90 438.87 339.97 98.90 340.52
19 33.20 12.90 20.00 439.05 339.94 99.11 340.49
20 33.30 13.00 20.00 439.08 340.02 99.06 340.54
21 33.30 12.90 20.00 439.29 340.00 99.29 340.51
22 33.20 12.90 20.10 439.39 340.03 99.36 340.50
23 33.20 12.80 20.10 439.57 340.09 99.48 340.65
24 33.20 12.80 20.10 439.20 339.91 99.29 340.49
AVG 33.20 12.89 19.95 438.97 339.78 99.18 340.33
MAX 34.70 13.00 20.10 439.57 340.19 99.81 340.73
MIN 32.90 12.80 19.70 438.60 339.57 98.43 340.12
BUILDING STRONG®