US Army Corps of Engineers

Ice Harbor Dam

Tuesday December 9, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 25.70 25.20 0.00 439.14 339.17 99.97 339.24
2 13.30 12.80 0.00 438.85 339.08 99.77 339.21
3 13.30 12.80 0.00 439.04 339.54 99.50 339.64
4 13.40 12.90 0.00 439.17 339.21 99.96 339.38
5 13.60 13.10 0.00 439.07 339.56 99.51 339.68
6 26.90 26.40 0.00 439.03 340.43 98.60 340.50
7 39.90 39.40 0.00 439.10 341.59 97.51 341.50
8 40.40 39.90 0.00 439.19 341.45 97.74 341.34
9 40.50 40.00 0.00 439.10 341.48 97.62 341.31
10 40.60 40.10 0.00 439.13 341.39 97.74 341.29
11 40.50 40.00 0.00 439.07 341.37 97.70 341.27
12 40.60 40.10 0.00 439.18 341.41 97.77 341.22
13 40.70 40.20 0.00 439.14 341.41 97.73 341.22
14 40.60 40.10 0.00 439.14 341.37 97.77 341.24
15 40.50 40.00 0.00 439.16 341.26 97.90 341.20
16 40.60 40.10 0.00 439.14 341.28 97.86
17
18
19
20
21
22
23
24
AVG 31.94 31.44 0.00 439.10 340.69 98.42 340.62
MAX 40.70 40.20 0.00 439.19 341.59 99.97 341.50
MIN 13.30 12.80 0.00 438.85 339.08 97.51 339.21
BUILDING STRONG®