US Army Corps of Engineers

Ice Harbor Dam

Monday June 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 68.50 12.90 55.10 437.77 342.10 95.67 342.77
2 68.30 12.90 54.90 437.76 342.07 95.69 342.69
3 68.40 12.90 55.00 437.76 341.98 95.78 342.73
4 68.40 12.90 54.90 437.72 341.99 95.73 342.70
5 68.30 12.90 54.90 437.69 342.00 95.69 342.93
6 68.30 12.90 54.90 437.68 342.01 95.67 342.75
7 68.30 12.90 54.90 437.67 342.06 95.61 342.81
8 68.20 12.90 54.80 437.67 341.99 95.68 342.78
9 68.30 12.90 54.90 437.69 341.95 95.74 342.83
10 68.30 12.90 54.90 437.67 342.08 95.59 342.85
11 68.20 12.90 54.80 437.66 342.04 95.62 342.67
12 68.20 12.90 54.80 437.66 341.98 95.68 342.74
13 68.30 13.00 54.80 437.64 342.04 95.60 342.74
14 68.20 12.90 54.80 437.65 342.04 95.61 342.68
15 68.30 12.90 54.90 437.72 342.12 95.60 342.82
16 68.40 13.00 54.90 437.68 342.06 95.62 342.93
17 68.40 13.00 54.90 437.75 342.08 95.67 342.78
18 68.50 13.00 55.00 437.78 342.09 95.69 342.80
19 68.50 13.00 55.00 437.83 342.07 95.76 342.75
20 68.40 13.00 54.90 437.68 342.21 95.47 342.99
21 69.80 13.00 54.90 437.52 342.10 95.42 342.82
22 61.70 12.90 48.30 437.57 341.76 95.81 342.29
23 61.10 12.90 47.70 437.52 341.64 95.88 342.37
24 61.50 12.90 48.20 437.64 341.66 95.98 342.34
AVG 67.53 12.93 54.05 437.68 342.01 95.68 342.73
MAX 69.80 13.00 55.10 437.83 342.21 95.98 342.99
MIN 61.10 12.90 47.70 437.52 341.64 95.42 342.29
BUILDING STRONG®