US Army Corps of Engineers

Ice Harbor Dam

Saturday May 30, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 77.30 13.00 63.90 438.21 343.02 95.19 343.60
2 79.50 13.00 66.00 438.20 343.09 95.11 343.79
3 79.50 13.00 66.00 438.24 343.07 95.17 343.86
4 79.50 13.00 66.00 438.22 343.07 95.15 343.74
5 79.50 13.00 66.00 438.24 343.15 95.09 343.74
6 79.60 13.00 66.10 438.27 343.13 95.14 343.81
7 79.50 13.00 66.10 438.28 343.10 95.18 343.77
8 80.60 13.00 67.20 438.33 343.36 94.97 344.01
9 81.50 13.00 68.00 438.29 343.38 94.91 343.99
10 81.50 13.00 68.00 438.33 343.43 94.90 344.04
11 81.60 13.10 68.00 438.26 343.37 94.89 343.96
12 83.00 13.10 68.00 438.29 343.31 94.98 343.99
13 81.50 13.00 68.00 438.26 343.42 94.84 343.98
14 81.00 13.00 67.50 438.15 343.18 94.97 343.76
15 72.50 12.90 59.10 438.13 342.66 95.47 343.31
16 72.50 12.90 59.10 438.15 342.64 95.51 343.30
17 72.50 12.90 59.10 438.23 342.63 95.60 343.17
18 72.40 12.90 59.00 438.18 342.55 95.63 343.28
19 72.30 13.00 58.80 438.21 342.51 95.70 343.27
20 73.80 12.90 58.90 438.27 342.67 95.60 343.29
21 73.80 12.90 58.90 438.22 342.50 95.72 343.21
22 72.30 12.90 58.90 438.31 342.58 95.73 343.25
23 72.40 12.90 58.90 438.31 342.58 95.73 343.36
24 72.50 12.90 59.10 438.25 342.56 95.69 343.19
AVG 77.17 12.97 63.53 438.24 342.96 95.29 343.61
MAX 83.00 13.10 68.00 438.33 343.43 95.73 344.04
MIN 72.30 12.90 58.80 438.13 342.50 94.84 343.17