US Army Corps of Engineers

Ice Harbor Dam

Thursday October 23, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.40 12.90 0.00 438.70 339.01 99.69 339.18
2 13.40 12.90 0.00 438.51 339.01 99.50 339.19
3 13.40 12.90 0.00 438.59 338.99 99.60 339.17
4 13.40 12.90 0.00 438.61 339.03 99.58 339.19
5 15.30 12.90 0.40 438.62 338.86 99.76 339.50
6 22.20 12.90 8.80 438.65 339.06 99.59 339.85
7 22.30 12.90 8.90 438.78 339.00 99.78 339.69
8 22.20 12.80 8.80 438.68 339.46 99.22 340.27
9 23.10 12.80 8.30 438.89 338.97 99.92 339.18
10 13.30 12.80 0.00 438.81 338.95 99.86 339.13
11 13.30 12.80 0.00 438.69 339.11 99.58 339.21
12 13.40 12.90 0.00 438.92 339.11 99.81 339.25
13 13.40 12.90 0.00 438.70 339.14 99.56 339.27
14 14.80 12.80 0.00 438.66 339.11 99.55 339.51
15 13.40 12.90 0.00 438.73 339.14 99.59 339.31
16 13.40 12.90 0.00 438.57 339.13 99.44 339.30
17 13.40 12.90 0.00 438.77 339.09 99.68 339.28
18 13.90 13.40 0.00 438.54 339.39 99.15 339.76
19 26.10 25.60 0.00 438.82 340.13 98.69 340.07
20 27.50 25.50 0.00 438.84 340.16 98.68 340.21
21 26.10 25.60 0.00 438.65 339.82 98.83 339.91
22 25.90 25.40 0.00 438.82 339.46 99.36 339.67
23 13.20 12.70 0.00 438.70 338.64 100.06 338.76
24 13.00 12.50 0.00 438.76 338.80 99.96 338.95
AVG 17.20 14.98 1.47 438.71 339.19 99.52 339.45
MAX 27.50 25.60 8.90 438.92 340.16 100.06 340.27
MIN 13.00 12.50 0.00 438.51 338.64 98.68 338.76
BUILDING STRONG®