US Army Corps of Engineers

Ice Harbor Dam

Wednesday June 17, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 34.10 12.50 21.10 437.80 339.32 98.48 340.13
2 34.10 12.50 21.10 437.80 339.29 98.51 340.20
3 34.10 12.50 21.10 437.78 339.51 98.27 340.34
4 34.10 12.50 21.10 437.82 339.32 98.50 340.12
5 34.20 12.50 21.10 437.81 339.36 98.45 340.38
6 34.20 12.60 21.10 437.85 339.47 98.38 340.34
7 34.10 12.50 21.10 437.70 339.44 98.26 340.37
8 35.80 12.60 21.20 437.75 339.55 98.20 340.44
9 37.50 12.60 22.90 437.77 339.76 98.01 340.62
10 36.10 12.60 23.00 437.74 339.65 98.09 340.65
11 36.00 12.60 22.90 437.78 339.82 97.96 340.67
12 36.10 12.60 23.00 437.85 339.81 98.04 340.62
13 36.10 12.60 23.00 437.84 339.82 98.02 340.62
14 37.60 12.60 23.00 437.93 340.37 97.56 341.06
15 32.80 12.60 19.70 437.85 339.60 98.25 340.41
16 32.60 12.50 19.60 437.86 339.45 98.41 340.45
17 32.60 12.50 19.60 437.91 339.52 98.39 340.51
18 32.70 12.60 19.60 437.84 339.54 98.30 340.54
19 32.70 12.60 19.60 437.83 339.48 98.35 340.37
20 32.70 12.60 19.60 437.83 339.45 98.38 340.39
21 32.60 12.60 19.60 437.73 339.54 98.19 340.35
22 34.30 12.60 19.80 437.73 339.39 98.34 340.26
23 33.00 12.50 19.90 437.68 339.63 98.05 340.46
24 33.00 12.60 19.90 437.74 339.66 98.08 340.59
AVG 34.30 12.56 20.98 437.80 339.57 98.23 340.45
MAX 37.60 12.60 23.00 437.93 340.37 98.51 341.06
MIN 32.60 12.50 19.60 437.68 339.29 97.56 340.12
BUILDING STRONG®