US Army Corps of Engineers

Ice Harbor Dam

Saturday May 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 68.40 12.90 55.10 437.73 342.01 95.72 342.76
2 68.30 12.80 55.00 437.68 342.06 95.62 342.74
3 68.40 12.90 55.00 437.72 342.04 95.68 342.83
4 68.30 12.80 55.00 437.66 342.04 95.62 342.88
5 68.30 12.80 55.00 437.70 342.00 95.70 342.79
6 68.30 12.80 55.00 437.70 342.11 95.59 342.81
7 68.30 12.80 55.00 437.69 342.13 95.56 342.81
8 68.30 12.80 55.00 437.69 342.16 95.53 342.81
9 68.20 12.80 54.90 437.65 342.19 95.46 342.75
10 69.80 12.80 54.90 437.72 342.32 95.40 343.00
11 68.40 12.80 55.00 437.84 342.15 95.69 342.80
12 68.40 12.80 55.10 437.83 342.18 95.65 342.88
13 68.50 12.80 55.20 437.88 342.17 95.71 342.84
14 68.60 12.80 55.30 437.91 342.16 95.75 342.87
15 70.20 12.80 55.30 437.92 342.11 95.81 342.93
16 68.70 12.80 55.40 438.05 342.22 95.83 343.02
17 68.70 12.80 55.40 438.02 342.23 95.79 342.94
18 68.80 12.80 55.50 437.98 342.27 95.71 343.03
19 68.80 12.80 55.50 438.05 342.16 95.89 342.88
20 70.20 12.80 55.40 437.99 342.10 95.89 342.91
21 68.30 12.80 55.00 438.03 342.20 95.83 342.91
22 68.20 12.80 55.00 438.05 342.13 95.92 342.80
23 68.10 12.70 54.90 438.14 342.06 96.08 342.89
24 69.60 12.70 54.90 438.19 342.26 95.93 342.82
AVG 68.67 12.80 55.12 437.87 342.14 95.72 342.86
MAX 70.20 12.90 55.50 438.19 342.32 96.08 343.03
MIN 68.10 12.70 54.90 437.65 342.00 95.40 342.74