US Army Corps of Engineers

Ice Harbor Dam

Saturday December 13, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 40.50 40.00 0.00 437.97 340.88 97.09 340.58
2 40.30 39.80 0.00 437.80 340.82 96.98 340.55
3 40.20 39.70 0.00 437.89 340.83 97.06 340.63
4 40.20 39.70 0.00 437.86 340.83 97.03 340.60
5 41.70 39.70 0.00 437.87 340.92 96.95 340.96
6 40.30 39.80 0.00 437.87 341.01 96.86 340.78
7 53.10 52.60 0.00 437.90 342.21 95.69 341.88
8 53.50 53.00 0.00 437.90 342.27 95.63 341.89
9 53.80 53.30 0.00 437.65 342.32 95.33 341.94
10 53.10 52.60 0.00 437.84 341.75 96.09 341.57
11 40.40 39.90 0.00 437.75 340.92 96.83 340.69
12 41.50 39.50 0.00 437.88 340.97 96.91 340.72
13 40.00 39.50 0.00 438.07 340.90 97.17 340.71
14 40.10 39.60 0.00 438.09 340.99 97.10 340.73
15 40.20 39.70 0.00 438.22 341.10 97.12 340.91
16 53.10 52.60 0.00 438.17 342.25 95.92 341.95
17 53.70 53.20 0.00 438.20 342.37 95.83 342.01
18 53.30 52.80 0.00 438.12 342.24 95.88 341.96
19 53.40 52.90 0.00 438.09 342.36 95.73 341.97
20 54.00 53.50 0.00 438.09 342.36 95.73 342.06
21 53.70 53.20 0.00 438.02 342.36 95.66 342.03
22 53.60 53.10 0.00 438.01 342.24 95.77 341.94
23 40.70 40.20 0.00 438.12 341.01 97.11 340.79
24 40.30 39.80 0.00 437.93 340.97 96.96 340.74
AVG 46.45 45.82 0.00 437.97 341.54 96.43 341.27
MAX 54.00 53.50 0.00 438.22 342.37 97.17 342.06
MIN 40.00 39.50 0.00 437.65 340.82 95.33 340.55
BUILDING STRONG®