US Army Corps of Engineers

Ice Harbor Dam

Wednesday June 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 55.20 12.80 41.90 437.86 341.15 96.71 341.83
2 55.20 12.80 41.90 437.83 341.21 96.62 341.76
3 55.10 12.80 41.80 437.80 341.16 96.64 341.79
4 55.20 12.80 42.00 437.79 341.20 96.59 341.80
5 55.30 12.80 42.00 437.78 341.28 96.50 341.86
6 55.50 12.80 42.10 437.81 341.16 96.65 341.85
7 55.40 12.80 42.20 437.79 341.16 96.63 341.85
8 55.40 12.70 42.10 437.77 341.18 96.59 341.81
9 55.30 12.70 42.10 437.75 341.19 96.56 341.88
10 55.30 12.80 42.10 437.73 341.14 96.59 341.82
11 55.50 12.90 42.10 437.73 341.29 96.44 341.80
12 55.30 12.80 42.00 437.68 341.34 96.34 341.79
13 55.30 12.80 42.00 437.68 341.29 96.39 341.82
14 55.30 12.80 42.00 437.69 341.23 96.46 341.76
15 55.40 12.90 42.00 437.67 341.23 96.44 341.83
16 55.30 12.80 42.00 437.63 341.24 96.39 341.73
17 55.20 12.80 41.90 437.60 341.21 96.39 341.89
18 55.20 12.80 42.00 437.59 341.35 96.24 341.83
19 55.20 12.80 41.90 437.62 341.29 96.33 341.86
20 55.20 12.80 41.90 437.67 341.79 95.88 342.34
21 55.20 12.90 41.90 437.55 341.35 96.20 341.87
22 55.20 12.90 41.80 437.52 341.32 96.20 341.91
23 53.60 12.80 40.30 437.52 341.09 96.43 341.74
24 52.20 12.80 38.90 437.44 341.09 96.35 341.62
AVG 55.08 12.81 41.79 437.69 341.25 96.44 341.83
MAX 55.50 12.90 42.20 437.86 341.79 96.71 342.34
MIN 52.20 12.70 38.90 437.44 341.09 95.88 341.62
BUILDING STRONG®