US Army Corps of Engineers

Ice Harbor Dam

Tuesday November 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.00 12.50 0.00 439.01 338.87 100.14 339.06
2 14.50 12.50 0.00 438.99 339.03 99.96 339.18
3 13.00 12.50 0.00 439.09 339.00 100.09 339.12
4 13.10 12.60 0.00 439.06 338.97 100.09 339.13
5 13.50 12.50 0.50 438.98 338.90 100.08 339.61
6 22.50 12.90 9.10 438.88 339.37 99.51 340.02
7 35.60 26.00 9.10 438.94 340.33 98.61 340.84
8 35.80 26.30 9.00 438.71 340.19 98.52 340.67
9 35.60 26.50 8.60 438.63 340.24 98.39 340.32
10 26.50 26.00 0.00 438.64 339.71 98.93 339.94
11 13.30 12.80 0.00 438.40 339.01 99.39 339.15
12 13.00 12.50 0.00 438.57 339.26 99.31 339.39
13 13.10 12.60 0.00 438.54 339.27 99.27 339.41
14 13.00 12.50 0.00 438.49 339.20 99.29 339.36
15 13.20 12.70 0.00 438.54 339.17 99.37 339.30
16 13.10 12.60 0.00 438.46 339.15 99.31 339.33
17 13.10 12.60 0.00 438.43 339.07 99.36 339.26
18 14.60 12.60 0.00 438.77 339.04 99.73 339.18
19 13.00 12.50 0.00 438.71 338.92 99.79 339.06
20 13.00 12.50 0.00 438.96 338.88 100.08 339.05
21 13.00 12.50 0.00 439.14 338.78 100.36 338.95
22 14.60 12.60 0.00 439.22 338.76 100.46 338.86
23 13.10 12.60 0.00 439.16 338.70 100.46 338.88
24 13.10 12.60 0.00 439.20 338.87 100.33 338.96
AVG 17.05 14.85 1.51 438.81 339.20 99.62 339.42
MAX 35.80 26.50 9.10 439.22 340.33 100.46 340.84
MIN 13.00 12.50 0.00 438.40 338.70 98.39 338.86
BUILDING STRONG®