US Army Corps of Engineers

Ice Harbor Dam

Saturday March 29, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 107.10 66.30 40.30 439.30 346.22 93.08 346.29
2 107.10 66.30 40.40 439.34 346.14 93.20 346.30
3 107.00 66.10 40.40 439.36 346.21 93.15 346.36
4 107.10 66.20 40.40 439.36 346.14 93.22 346.25
5 107.20 66.20 40.40 439.40 346.23 93.17 346.30
6 106.70 66.20 40.00 439.41 346.24 93.17 346.27
7 106.70 66.20 40.00 439.44 346.24 93.20 346.32
8 106.70 66.10 40.10 439.49 346.21 93.28 346.21
9 106.70 66.10 40.10 439.54 346.17 93.37 346.30
10 106.40 66.00 40.00 439.30 346.18 93.12 346.33
11 106.30 66.00 39.80 439.29 346.23 93.06 346.34
12 106.40 66.10 39.80 439.20 346.20 93.00 346.33
13 106.20 66.00 39.80 439.13 346.13 93.00 346.22
14 106.30 66.00 39.80 439.04 346.13 92.91 346.29
15 106.30 65.90 39.90 439.00 346.14 92.86 346.30
16 106.20 65.80 39.90 438.90 346.17 92.73 346.32
17 106.40 66.00 39.90 438.77 346.17 92.60 346.26
18 107.80 65.90 39.90 438.76 346.20 92.56 346.21
19 106.30 65.90 39.90 438.73 346.14 92.59 346.23
20 106.40 65.90 40.00 438.84 346.17 92.67 346.31
21 106.50 66.00 40.00 438.82 346.17 92.65 346.30
22 106.50 66.00 40.00 438.83 346.17 92.66 346.25
23 106.50 65.90 40.10 438.84 346.14 92.70 346.21
24 106.70 66.00 40.10 438.86 346.16 92.70 346.27
AVG 106.65 66.05 40.04 439.12 346.18 92.94 346.28
MAX 107.80 66.30 40.40 439.54 346.24 93.37 346.36
MIN 106.20 65.80 39.80 438.73 346.13 92.56 346.21