US Army Corps of Engineers

Ice Harbor Dam

Tuesday June 16, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 35.00 12.70 21.80 437.75 339.25 98.50 340.09
2 36.50 12.70 21.80 437.67 339.20 98.47 340.06
3 34.90 12.60 21.80 437.66 339.38 98.28 340.29
4 35.00 12.80 21.80 437.67 339.41 98.26 340.12
5 35.10 12.70 21.80 437.69 339.40 98.29 340.21
6 35.20 12.70 22.00 437.83 339.42 98.41 340.35
7 41.10 12.60 27.90 437.75 339.94 97.81 340.85
8 41.10 12.60 28.00 437.78 340.10 97.68 341.04
9 41.20 12.60 28.10 437.74 340.22 97.52 341.07
10 41.10 12.70 28.00 437.61 340.30 97.31 341.18
11 41.10 12.60 28.00 437.72 340.25 97.47 341.05
12 40.70 12.70 26.10 437.69 340.36 97.33 341.04
13 39.20 12.70 26.00 437.71 340.38 97.33 340.96
14 39.20 12.70 26.00 437.72 340.38 97.34 340.95
15 39.10 12.60 26.00 437.69 340.28 97.41 340.92
16 35.70 13.00 22.20 437.84 339.78 98.06 340.81
17 34.10 12.60 21.00 437.74 339.63 98.11 340.45
18 34.00 12.50 21.00 437.74 339.65 98.09 340.66
19 34.10 12.50 21.10 437.78 339.70 98.08 340.53
20 34.00 12.50 21.00 437.73 339.65 98.08 340.39
21 34.00 12.50 21.10 437.78 339.52 98.26 340.50
22 34.10 12.50 21.10 437.79 339.38 98.41 340.29
23 34.10 12.50 21.00 437.80 339.47 98.33 340.24
24 34.10 12.50 21.10 437.82 339.33 98.49 340.22
AVG 36.82 12.63 23.57 437.74 339.77 97.97 340.59
MAX 41.20 13.00 28.10 437.84 340.38 98.50 341.18
MIN 34.00 12.50 21.00 437.61 339.20 97.31 340.06