US Army Corps of Engineers

Ice Harbor Dam

Friday June 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 50.40 12.90 37.10 437.76 341.74 96.02 342.51
2 50.40 12.80 37.10 437.77 341.75 96.02 342.44
3 50.50 12.90 37.10 437.81 341.88 95.93 342.46
4 50.50 12.90 37.20 437.84 341.79 96.05 342.45
5 50.50 12.90 37.20 437.82 341.77 96.05 342.44
6 50.40 12.90 37.00 437.82 341.79 96.03 342.39
7 50.40 12.90 37.00 437.82 341.83 95.99 342.25
8 50.40 12.90 37.00 437.83 341.77 96.06 342.49
9 50.40 12.90 37.00 437.83 341.86 95.97 342.48
10 50.30 12.80 37.00 437.84 341.86 95.98 342.51
11 50.20 12.90 36.90 437.72 341.96 95.76 342.60
12 50.20 12.90 36.80 437.68 341.90 95.78 342.35
13 50.10 12.90 36.80 437.60 341.85 95.75 342.41
14 50.20 12.90 36.70 437.60 341.87 95.73 342.25
15 50.20 13.00 36.70 437.55 341.91 95.64 342.63
16 50.10 12.90 36.60 437.52 341.89 95.63 342.44
17 48.30 12.90 34.90 437.52 341.76 95.76 342.32
18 48.30 13.00 34.90 437.51 341.71 95.80
19
20
21
22
23
24
AVG 50.10 12.90 36.72 437.71 341.83 95.89 342.44
MAX 50.50 13.00 37.20 437.84 341.96 96.06 342.63
MIN 48.30 12.80 34.90 437.51 341.71 95.63 342.25
BUILDING STRONG®