US Army Corps of Engineers

Ice Harbor Dam

Monday November 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.00 12.50 0.00 439.42 338.84 100.58 338.98
2 13.00 12.50 0.00 439.22 338.93 100.29 339.01
3 13.10 12.60 0.00 439.35 338.92 100.43 339.06
4 13.10 12.60 0.00 439.23 339.02 100.21 339.19
5 13.60 12.60 0.50 439.39 338.79 100.60 339.55
6 22.80 12.80 9.50 439.13 339.27 99.86 340.07
7 35.30 25.30 9.50 439.19 340.24 98.95 340.93
8 35.50 25.60 9.40 439.06 340.21 98.85 340.76
9 35.10 25.70 8.90 438.95 340.25 98.70 340.44
10 26.10 25.60 0.00 438.94 339.95 98.99 340.09
11 13.30 12.80 0.00 438.67 339.32 99.35 339.43
12 13.10 12.60 0.00 438.85 339.57 99.28 339.69
13 13.00 12.50 0.00 438.82 339.57 99.25 339.68
14 13.10 12.60 0.00 438.69 339.54 99.15 339.67
15 13.00 12.50 0.00 438.77 339.50 99.27 339.60
16 13.10 12.60 0.00 438.68 339.44 99.24 339.62
17 14.60 12.60 0.00 438.67 339.42 99.25 339.55
18 13.10 12.60 0.00 438.72 339.39 99.33 339.63
19 13.10 12.60 0.00 438.76 339.19 99.57 339.37
20 14.50 12.50 0.00 438.78 339.21 99.57 339.35
21 13.10 12.60 0.00 438.86 339.14 99.72 339.30
22 13.00 12.50 0.00 438.87 339.02 99.85 339.18
23 13.00 12.50 0.00 438.99 338.96 100.03 339.11
24 12.90 12.40 0.00 438.96 338.94 100.02 339.04
AVG 16.94 14.74 1.57 438.96 339.36 99.60 339.60
MAX 35.50 25.70 9.50 439.42 340.25 100.60 340.93
MIN 12.90 12.40 0.00 438.67 338.79 98.70 338.98
BUILDING STRONG®