US Army Corps of Engineers

Ice Harbor Dam

Tuesday May 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 69.60 12.80 56.30 437.85 342.21 95.64 342.93
2 69.70 12.80 56.40 437.90 342.30 95.60 342.98
3 69.80 12.80 56.40 437.92 342.27 95.65 342.94
4 69.70 12.80 56.40 437.86 342.31 95.55 342.92
5 71.30 12.80 56.50 437.77 342.28 95.49 343.00
6 69.80 12.80 56.40 437.87 342.34 95.53 343.05
7 71.30 12.90 56.50 437.83 342.30 95.53 342.97
8 69.80 12.80 56.50 437.85 342.23 95.62 342.85
9 69.90 12.80 56.60 438.01 342.22 95.79 342.88
10 70.10 12.80 56.80 438.09 342.25 95.84 342.88
11 70.50 12.80 57.20 438.05 342.46 95.59 342.97
12 76.40 12.80 63.10 438.12 342.87 95.25 343.42
13 77.90 12.80 63.10 438.11 342.66 95.45 343.34
14 76.40 12.80 63.00 438.01 342.67 95.34 343.35
15 76.50 12.80 63.10 438.16 342.69 95.47 343.35
16 76.50 12.80 63.20 438.14 342.63 95.51 343.29
17 76.50 12.80 63.20 438.17 342.69 95.48 343.39
18 76.90 13.10 63.30 438.20 342.63 95.57 343.37
19 83.80 13.80 69.60 438.09 343.50 94.59 344.22
20 88.80 13.80 73.00 438.07 343.75 94.32 344.35
21 87.00 13.70 72.80 437.89 343.63 94.26 344.34
22 86.60 13.10 73.00 437.93 343.64 94.29 344.22
23 86.50 13.10 72.90 437.82 343.63 94.19 344.15
24 74.70 13.00 61.20 437.88 342.58 95.30 343.19
AVG 75.67 12.97 61.94 437.98 342.70 95.29 343.35
MAX 88.80 13.80 73.00 438.20 343.75 95.84 344.35
MIN 69.60 12.80 56.30 437.77 342.21 94.19 342.85