US Army Corps of Engineers

Ice Harbor Dam

Wednesday April 8, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 60.40 13.00 47.00 437.67 341.48 96.19 342.18
2 60.40 13.00 46.90 437.64 341.48 96.16 342.20
3 60.40 13.00 46.90 437.63 341.42 96.21 342.23
4 60.40 13.00 46.90 437.61 341.45 96.16 342.17
5 60.40 13.00 46.80 437.56 341.44 96.12 342.21
6 61.20 13.00 47.70 437.57 341.54 96.03 342.33
7 66.00 13.10 50.90 437.60 341.57 96.03 342.47
8 64.60 13.00 51.10 437.60 341.70 95.90 342.47
9 64.50 13.00 51.10 437.59 341.51 96.08 342.51
10 66.10 13.10 51.10 437.62 341.63 95.99 342.34
11 64.70 13.00 51.10 437.68 341.70 95.98 342.44
12 64.60 13.00 51.10 437.69 341.59 96.10 342.38
13 64.80 13.10 51.20 437.70 341.60 96.10 342.39
14 64.80 13.10 51.20 437.69 341.65 96.04 342.42
15 64.70 13.00 51.20 437.71 341.76 95.95 342.64
16 64.80 13.10 51.10 437.74 341.71 96.03 342.51
17 64.70 13.00 51.20 437.75 341.61 96.14 342.44
18 59.40 13.00 45.90 437.80 341.42 96.38 342.16
19 59.40 13.00 45.90 437.70 341.47 96.23 342.05
20 59.50 12.90 46.10 437.79 341.46 96.33 342.10
21 59.50 13.00 46.00 437.73 341.36 96.37 342.16
22 59.40 13.00 46.00 437.71 341.43 96.28 342.07
23 59.50 13.00 46.00 437.69 341.34 96.35 342.07
24 59.40 13.00 45.90 437.69 341.30 96.39 341.86
AVG 62.23 13.02 48.60 437.67 341.53 96.15 342.28
MAX 66.10 13.10 51.20 437.80 341.76 96.39 342.64
MIN 59.40 12.90 45.90 437.56 341.30 95.90 341.86
BUILDING STRONG®