US Army Corps of Engineers

Ice Harbor Dam

Tuesday April 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 90.00 65.10 24.40 438.88 344.78 94.10 345.05
2 90.00 65.10 24.40 438.97 344.89 94.08 345.24
3 90.00 65.00 24.40 438.87 344.80 94.07 345.15
4 89.80 65.10 24.30 438.78 344.77 94.01 345.12
5 89.70 65.00 24.20 438.79 344.89 93.90 345.11
6 90.00 65.10 24.40 439.08 344.79 94.29 345.13
7 91.20 66.10 24.60 439.13 344.98 94.15 345.27
8 91.20 66.00 24.80 439.30 344.83 94.47 345.24
9 91.70 66.20 25.00 439.44 345.00 94.44 345.24
10 91.80 66.40 24.90 439.26 344.90 94.36 345.23
11 91.80 66.30 24.90 439.35 345.29 94.06 345.43
12 93.10 66.20 24.90 439.16 344.98 94.18 345.33
13 92.90 66.10 24.80 439.16 344.95 94.21 345.27
14 91.40 66.10 24.80 439.10 345.05 94.05 345.36
15 91.40 66.20 24.70 439.21 344.98 94.23 345.27
16 91.40 66.20 24.70 439.17 344.95 94.22 345.33
17 91.30 66.10 24.70 439.10 344.94 94.16 345.29
18 91.40 66.30 24.60 439.06 345.01 94.05 345.31
19 91.30 66.20 24.60 439.06 344.96 94.10 345.26
20 91.20 66.20 24.50 439.04 344.99 94.05 345.37
21 92.90 66.40 24.50 438.97 345.07 93.90 345.34
22 91.30 66.50 24.40 438.88 345.24 93.64 345.51
23 92.50 66.30 24.20 438.72 345.04 93.68 345.35
24 91.10 66.40 24.20 438.83 345.04 93.79 345.46
AVG 91.27 65.94 24.58 439.05 344.96 94.09 345.28
MAX 93.10 66.50 25.00 439.44 345.29 94.47 345.51
MIN 89.70 65.00 24.20 438.72 344.77 93.64 345.05
BUILDING STRONG®