US Army Corps of Engineers

Ice Harbor Dam

Wednesday November 4, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.10 12.60 0.00 439.18 338.68 100.50 338.81
2 13.10 12.60 0.00 439.18 338.74 100.44 338.89
3 14.60 12.60 0.00 439.06 338.73 100.33 338.90
4 13.20 12.70 0.00 439.08 338.77 100.31 338.94
5 13.50 12.70 0.40 439.13 338.59 100.54 339.17
6 22.70 12.90 9.30 438.99 339.16 99.83 339.88
7 36.20 26.50 9.20 439.01 340.20 98.81 340.73
8 36.30 26.50 9.30 438.92 340.14 98.78 340.65
9 36.20 26.60 9.00 438.68 340.00 98.68 340.48
10 27.40 26.60 0.30 438.89 339.76 99.13 339.75
11 25.90 25.40 0.00 438.60 339.18 99.42 339.22
12 13.20 12.70 0.00 438.72 338.68 100.04 338.78
13 13.00 12.50 0.00 438.65 339.00 99.65 339.14
14 13.00 12.50 0.00 438.70 338.86 99.84 339.04
15 13.00 12.50 0.00 438.74 338.99 99.75 339.11
16 13.10 12.60 0.00 438.58 338.89 99.69 339.05
17 14.50 12.50 0.00 438.82 338.99 99.83 339.12
18 13.00 12.50 0.00 438.73 338.81 99.92 338.97
19 12.90 12.40 0.00 438.71 338.77 99.94 338.93
20 13.10 12.60 0.00 438.84 338.80 100.04 338.94
21 13.10 12.60 0.00 438.76 338.73 100.03 338.93
22 13.10 12.60 0.00 438.95 338.73 100.22 338.87
23 13.10 12.60 0.00 438.93 338.66 100.27 338.81
24 13.10 12.60 0.00 438.91 338.64 100.27 338.80
AVG 17.64 15.45 1.56 438.87 339.02 99.84 339.25
MAX 36.30 26.60 9.30 439.18 340.20 100.54 340.73
MIN 12.90 12.40 0.00 438.58 338.59 98.68 338.78
BUILDING STRONG®