US Army Corps of Engineers

Ice Harbor Dam

Monday October 27, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.00 12.50 0.00 438.87 338.94 99.93 339.06
2 13.00 12.50 0.00 439.01 339.06 99.95 339.13
3 13.00 12.50 0.00 438.99 338.95 100.04 339.03
4 13.10 12.60 0.00 438.99 338.92 100.07 339.06
5 13.40 12.50 0.40 439.01 338.80 100.21 339.31
6 22.20 12.50 9.20 438.91 339.06 99.85 339.84
7 22.40 12.50 9.40 439.25 338.90 100.35 339.61
8 22.40 12.50 9.40 439.08 338.94 100.14 339.67
9 21.90 12.50 8.90 439.26 338.94 100.32 339.11
10 13.00 12.50 0.00 439.35 339.03 100.32 339.13
11 13.10 12.60 0.00 439.07 339.37 99.70 339.43
12 13.10 12.60 0.00 439.43 339.34 100.09 339.43
13 13.10 12.60 0.00 439.19 339.43 99.76 339.53
14 13.00 12.50 0.00 439.20 339.37 99.83 339.48
15 13.00 12.50 0.00 439.32 339.40 99.92 339.49
16 14.60 12.60 0.00 439.15 339.98 99.17 340.03
17 13.30 12.80 0.00 439.31 339.47 99.84 339.48
18 25.70 25.20 0.00 439.13 340.28 98.85 340.35
19 26.10 25.60 0.00 439.06 340.10 98.96 340.21
20 26.10 25.60 0.00 439.25 340.02 99.23 340.14
21 26.00 25.50 0.00 439.07 340.06 99.01 340.14
22 26.20 25.70 0.00 439.29 340.01 99.28 340.14
23 26.10 25.60 0.00 439.19 340.01 99.18 340.11
24 27.60 25.60 0.00 439.19 340.04 99.15 340.10
AVG 18.52 16.34 1.55 439.15 339.43 99.71 339.63
MAX 27.60 25.70 9.40 439.43 340.28 100.35 340.35
MIN 13.00 12.50 0.00 438.87 338.80 98.85 339.03
BUILDING STRONG®