US Army Corps of Engineers

Ice Harbor Dam

Friday May 29, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 79.50 13.10 65.90 438.00 343.15 94.85 343.95
2 79.60 13.00 66.10 438.09 343.20 94.89 343.80
3 79.60 13.10 66.00 438.09 343.13 94.96 343.76
4 81.00 13.00 66.00 438.09 343.32 94.77 343.92
5 79.50 13.00 66.00 438.16 343.21 94.95 343.90
6 79.40 13.00 66.00 438.13 343.19 94.94 343.83
7 79.40 13.00 66.00 438.13 343.12 95.01 343.78
8 80.90 13.00 65.90 438.02 343.21 94.81 343.98
9 78.90 13.00 65.40 438.00 342.95 95.05 343.56
10 74.60 13.00 61.10 437.97 342.75 95.22 343.39
11 74.50 13.00 61.00 437.96 342.82 95.14 343.36
12 74.50 13.00 60.90 437.95 342.73 95.22 343.38
13 74.50 13.00 61.00 437.93 342.77 95.16 343.36
14 74.40 13.00 60.90 437.88 342.78 95.10 343.46
15 74.40 13.00 60.90 437.89 342.78 95.11 343.32
16 74.30 13.00 60.80 437.82 342.76 95.06 343.37
17 74.20 12.90 60.80 437.80 342.70 95.10 343.35
18 74.30 13.00 60.80 437.78 342.73 95.05 343.40
19 74.40 13.00 60.90 437.78 342.69 95.09 343.47
20 74.70 13.00 61.20 437.99 342.72 95.27 343.43
21 74.70 13.00 61.20 437.97 342.71 95.26 343.40
22 74.50 13.00 61.10 438.07 342.73 95.34 343.40
23 74.70 13.00 61.30 438.15 342.73 95.42 343.35
24 74.60 13.00 61.10 438.15 342.72 95.43 343.35
AVG 76.46 13.00 62.85 437.99 342.90 95.09 343.55
MAX 81.00 13.10 66.10 438.16 343.32 95.43 343.98
MIN 74.20 12.90 60.80 437.78 342.69 94.77 343.32