US Army Corps of Engineers

Ice Harbor Dam

Sunday March 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 64.90 54.10 10.30 438.70 343.28 95.42 343.52
2 64.80 54.00 10.30 438.72 343.33 95.39 343.50
3 65.00 54.10 10.40 438.78 343.29 95.49 343.46
4 64.90 54.00 10.40 438.83 343.32 95.51 343.52
5 65.00 54.10 10.40 438.85 343.35 95.50 343.53
6 65.00 54.10 10.40 438.85 343.37 95.48 343.56
7 74.30 54.00 19.80 438.93 343.91 95.02 344.23
8 74.60 54.00 20.00 439.16 343.82 95.34 344.18
9 74.50 53.90 20.10 439.20 343.86 95.34 344.27
10 74.60 53.90 20.20 439.39 343.88 95.51 344.29
11 74.40 53.80 20.10 439.45 343.94 95.51 344.31
12 74.50 53.80 20.10 439.57 343.93 95.64 344.25
13 74.70 54.10 20.10 439.46 343.91 95.55 344.25
14 75.10 54.50 20.10 439.57 343.93 95.64 344.25
15 74.90 54.50 19.90 439.16 343.95 95.21 344.19
16 74.50 54.20 19.80 439.11 343.97 95.14 344.30
17 74.50 54.20 19.80 438.96 343.87 95.09 344.25
18 74.60 54.20 19.90 438.80 343.96 94.84 344.23
19 74.50 54.10 19.90 439.05 343.94 95.11 344.23
20 74.40 54.10 19.80 438.94 343.89 95.05 344.32
21 74.30 54.00 19.80 438.99 343.97 95.02 344.38
22 74.30 54.00 19.80 438.98 343.93 95.05 344.30
23 74.40 54.20 19.80 438.97 343.96 95.01 344.28
24 74.20 53.90 19.80 439.08 343.75 95.33 344.06
AVG 72.12 54.08 17.54 439.06 343.76 95.30 344.07
MAX 75.10 54.50 20.20 439.57 343.97 95.64 344.38
MIN 64.80 53.80 10.30 438.70 343.28 94.84 343.46