US Army Corps of Engineers

Ice Harbor Dam

Monday June 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 24.10 14.00 9.50 437.94 339.15 98.79 340.12
2 23.10 13.00 9.60 437.89 339.16 98.73 340.17
3 23.60 13.50 9.60 438.02 339.73 98.29 340.55
4 35.50 24.10 9.40 438.03 340.36 97.67 341.09
5 34.20 24.30 9.40 438.01 340.02 97.99 340.71
6 35.40 25.40 9.40 437.91 340.07 97.84 340.87
7 23.00 13.00 9.50 438.00 338.95 99.05 339.90
8 23.00 13.00 9.50 438.03 339.17 98.86 340.00
9 23.10 13.00 9.60 438.21 339.08 99.13 339.94
10 23.10 13.00 9.60 438.23 339.40 98.83 339.89
11 23.00 13.00 9.40 438.26 339.40 98.86 339.82
12 23.60 13.60 9.50 438.27 339.72 98.55 340.22
13 34.10 24.20 9.40 438.28 340.37 97.91 340.67
14 34.20 24.20 9.50 438.31 340.22 98.09 340.58
15 34.30 24.30 9.50 438.21 340.25 97.96 340.58
16 35.50 25.50 9.40 438.10 340.98 97.12 341.18
17 45.20 35.30 9.40 438.01 341.43 96.58 341.53
18 45.70 35.80 9.40 438.23 341.42 96.81 341.55
19 45.90 36.00 9.40 438.07 341.51 96.56 341.60
20 45.70 35.80 9.40 438.16 341.45 96.71 341.62
21 45.70 35.70 9.40 438.04 341.46 96.58 341.55
22 45.80 35.90 9.40 438.11 341.45 96.66 341.60
23 46.40 36.50 9.40 437.62 341.60 96.02 341.82
24 37.80 26.40 9.40 437.78 340.60 97.18 340.91
AVG 33.79 23.69 9.46 438.07 340.29 97.78 340.77
MAX 46.40 36.50 9.60 438.31 341.60 99.13 341.82
MIN 23.00 13.00 9.40 437.62 338.95 96.02 339.82