US Army Corps of Engineers

Ice Harbor Dam

Friday March 28, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 83.60 65.70 17.40 439.30 344.31 94.99 344.65
2 83.40 65.50 17.40 439.47 344.26 95.21 344.57
3 83.10 65.60 17.00 439.53 344.23 95.30 344.52
4 83.00 65.40 17.20 439.64 344.23 95.41 344.55
5 83.10 65.30 17.20 439.72 344.22 95.50 344.49
6 90.50 65.30 24.60 439.73 344.83 94.90 345.16
7 90.90 65.40 25.00 439.79 344.88 94.91 345.09
8 90.80 65.30 25.00 439.87 344.78 95.09 345.03
9 90.50 65.00 25.00 439.91 344.84 95.07 345.15
10 90.60 65.00 25.10 439.95 344.90 95.05 345.13
11 101.00 65.40 35.10 439.73 345.92 93.81 346.03
12 106.20 65.60 40.10 439.78 346.09 93.69 346.27
13 107.70 65.70 40.00 439.52 346.14 93.38 346.22
14 105.90 65.60 39.80 439.43 346.10 93.33 346.14
15 105.90 65.70 39.70 439.34 346.05 93.29 346.22
16 106.00 65.70 39.80 439.24 346.10 93.14 346.19
17 106.50 66.20 39.80 439.13 346.17 92.96 346.28
18 106.50 66.10 39.90 439.01 346.22 92.79 346.25
19 106.70 66.10 40.10 439.21 346.22 92.99 346.31
20 106.90 66.30 40.20 439.17 346.20 92.97 346.29
21 106.90 66.20 40.20 439.20 346.24 92.96 346.22
22 106.90 66.20 40.20 439.26 346.15 93.11 346.26
23 106.90 66.20 40.30 439.25 346.18 93.07 346.38
24 106.90 66.20 40.30 439.26 346.17 93.09 346.31
AVG 98.18 65.70 31.93 439.48 345.48 94.00 345.65
MAX 107.70 66.30 40.30 439.95 346.24 95.50 346.38
MIN 83.00 65.00 17.00 439.01 344.22 92.79 344.49