US Army Corps of Engineers

Ice Harbor Dam

Friday October 24, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.00 12.50 0.00 438.86 338.77 100.09 338.91
2 13.00 12.50 0.00 438.73 338.80 99.93 338.99
3 13.00 12.50 0.00 438.80 338.77 100.03 338.88
4 13.00 12.50 0.00 438.80 338.80 100.00 338.94
5 13.40 12.60 0.30 438.71 338.79 99.92 339.25
6 21.90 12.50 8.90 438.78 338.86 99.92 339.64
7 23.50 12.50 9.00 438.76 338.79 99.97 339.55
8 21.90 12.50 9.00 438.73 338.68 100.05 339.41
9 21.40 12.50 8.40 438.89 338.82 100.07 339.08
10 13.10 12.60 0.00 438.86 338.87 99.99 339.02
11 13.20 12.70 0.00 438.96 339.03 99.93 339.22
12 13.20 12.70 0.00 438.86 339.17 99.69 339.29
13 13.10 12.60 0.00 438.90 339.21 99.69 339.35
14 13.10 12.60 0.00 438.98 339.18 99.80 339.33
15 13.10 12.60 0.00 438.90 339.27 99.63 339.39
16 13.10 12.60 0.00 438.89 339.24 99.65 339.36
17 13.20 12.70 0.00 438.93 339.17 99.76 339.36
18 13.20 12.70 0.00 438.86 339.11 99.75 339.29
19 13.10 12.60 0.00 438.94 339.16 99.78 339.29
20 13.10 12.60 0.00 439.01 339.06 99.95 339.21
21 13.10 12.60 0.00 438.97 339.10 99.87 339.19
22 13.10 12.60 0.00 438.99 339.13 99.86 339.19
23 13.10 12.60 0.00 439.08 339.00 100.08 339.06
24 14.60 12.60 0.00 439.13 338.88 100.25 338.98
AVG 14.69 12.58 1.48 438.89 338.99 99.90 339.22
MAX 23.50 12.70 9.00 439.13 339.27 100.25 339.64
MIN 13.00 12.50 0.00 438.71 338.68 99.63 338.88
BUILDING STRONG®