US Army Corps of Engineers

Ice Harbor Dam

Saturday March 21, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 64.70 54.20 10.00 438.29 343.49 94.80 343.70
2 64.70 54.20 10.00 438.23 343.47 94.76 343.67
3 64.70 54.20 9.90 438.22 343.46 94.76 343.66
4 64.70 54.30 9.90 438.20 343.54 94.66 343.66
5 64.80 54.40 9.90 438.16 343.49 94.67 343.68
6 64.60 54.20 9.90 438.17 343.55 94.62 343.66
7 64.40 54.10 9.90 438.12 343.51 94.61 343.65
8 63.90 53.70 9.70 438.08 343.46 94.62 343.58
9 64.30 54.10 9.80 438.28 343.50 94.78 343.72
10 64.30 54.00 9.70 438.32 343.49 94.83 343.63
11 64.50 54.20 9.80 438.41 343.55 94.86 343.71
12 64.40 54.20 9.70 438.16 343.55 94.61 343.75
13 64.20 54.10 9.60 438.22 343.51 94.71 343.69
14 64.40 54.20 9.60 438.18 343.48 94.70 343.69
15 64.10 54.10 9.60 438.11 343.53 94.58 343.70
16 64.30 54.20 9.60 438.06 343.47 94.59 343.70
17 64.50 54.20 9.80 437.96 343.59 94.37 343.66
18 64.50 54.20 9.70 437.93 343.48 94.45 343.73
19 64.40 54.00 9.90 438.22 343.51 94.71 343.64
20 64.50 54.00 10.00 438.21 343.45 94.76 343.64
21 64.80 54.20 10.10 438.36 343.47 94.89 343.71
22 65.10 54.40 10.20 438.40 343.53 94.87 343.71
23 64.80 54.10 10.20 438.51 343.44 95.07 343.56
24 64.90 54.10 10.30 438.61 343.44 95.17 343.53
AVG 64.52 54.15 9.87 438.23 343.50 94.73 343.67
MAX 65.10 54.40 10.30 438.61 343.59 95.17 343.75
MIN 63.90 53.70 9.60 437.93 343.44 94.37 343.53