US Army Corps of Engineers

Ice Harbor Dam

Saturday August 30, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 22.50 12.90 9.10 439.02 339.05 99.97 339.51
2 22.40 12.80 9.10 439.02 339.04 99.98 339.48
3 22.40 12.80 9.10 439.03 339.07 99.96 339.53
4 22.40 12.80 9.10 439.03 339.11 99.92 339.63
5 22.40 12.80 9.10 438.99 339.24 99.75 339.67
6 22.50 12.80 9.10 439.04 339.24 99.80 339.72
7 22.40 12.80 9.10 439.02 339.28 99.74 339.78
8 22.10 12.50 9.10 439.01 339.31 99.70 339.85
9 22.20 12.60 9.10 439.05 339.47 99.58 339.92
10 22.20 12.50 9.10 438.99 340.05 98.94 340.54
11 23.70 12.60 9.10 439.02 339.51 99.51 339.97
12 22.20 12.50 9.10 439.02 339.52 99.50 340.05
13 23.70 12.60 9.10 439.06 339.45 99.61 340.01
14 22.20 12.50 9.10 439.06 339.37 99.69 339.88
15 22.20 12.50 9.10 439.12 339.37 99.75 339.89
16 22.20 12.60 9.10 439.15 339.36 99.79 339.88
17 22.20 12.50 9.10 439.19 339.26 99.93 339.80
18 22.20 12.60 9.10 439.12 339.21 99.91 339.71
19 22.10 12.50 9.10 439.16 339.10 100.06 339.63
20 22.10 12.50 9.10 439.16 339.01 100.15 339.53
21 23.70 12.60 9.10 439.33 338.98 100.35 339.48
22 22.10 12.50 9.10 439.28 338.76 100.52 339.28
23 22.10 12.50 9.10 439.26 338.68 100.58 339.22
24 22.10 12.50 9.20 439.44 338.66 100.78 339.21
AVG 22.43 12.62 9.10 439.11 339.21 99.89 339.72
MAX 23.70 12.90 9.20 439.44 340.05 100.78 340.54
MIN 22.10 12.50 9.10 438.99 338.66 98.94 339.21
BUILDING STRONG®