US Army Corps of Engineers

Ice Harbor Dam

Thursday December 18, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 26.40 25.90 0.00 438.08 339.28 98.80 339.39
2 13.30 12.80 0.00 438.00 338.96 99.04 339.06
3 14.80 12.80 0.00 438.17 339.17 99.00 339.34
4 13.80 13.30 0.00 438.01 339.59 98.42 339.84
5 27.50 27.00 0.00 437.86 340.96 96.90 340.86
6 40.30 39.80 0.00 437.93 341.51 96.42 341.30
7 42.10 40.10 0.00 437.94 341.96 95.98 341.75
8 40.70 40.20 0.00 438.32 341.49 96.83 341.30
9 40.60 40.10 0.00 438.38 341.54 96.84 341.33
10 40.70 40.20 0.00 438.58 341.55 97.03 341.35
11 40.60 40.10 0.00 438.86 341.54 97.32 341.39
12 40.60 40.10 0.00 438.52 341.57 96.95 341.41
13 40.60 40.10 0.00 438.72 341.68 97.04 341.49
14 53.10 52.60 0.00 438.47 342.83 95.64 342.60
15 53.80 53.30 0.00 438.63 343.07 95.56 342.72
16 55.00 53.00 0.00 438.45 342.89 95.56 342.62
17 53.70 53.20 0.00 438.59 343.00 95.59 342.72
18 53.70 53.20 0.00 438.72 342.99 95.73 342.71
19 54.90 52.90 0.00 438.75 343.02 95.73 342.63
20 53.70 53.20 0.00 438.76 342.96 95.80 342.62
21 53.60 53.10 0.00 438.79 343.03 95.76 342.66
22 53.80 53.30 0.00 438.91 343.07 95.84 342.73
23 53.40 52.90 0.00 438.96 342.96 96.00 342.70
24 53.30 52.80 0.00 438.67 342.95 95.72 342.59
AVG 42.25 41.50 0.00 438.46 341.82 96.65 341.63
MAX 55.00 53.30 0.00 438.96 343.07 99.04 342.73
MIN 13.30 12.80 0.00 437.86 338.96 95.56 339.06