US Army Corps of Engineers

Rocky Reach Dam

Friday May 29, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 125.10 108.20 16.60 706.65 619.22 87.43
2 154.90 137.90 16.70 706.66 620.18 86.48
3 136.20 119.80 16.10 706.51 619.15 87.36
4 130.10 120.90 8.90 706.66 618.66 88.00
5 142.60 125.80 16.50 706.58 620.46 86.12
6 164.90 148.10 16.50 706.71 620.99 85.72
7 172.80 155.80 16.70 706.64 621.50 85.14
8 170.00 153.20 16.50 706.67 621.82 84.85
9 173.30 156.40 16.60 706.53 621.69 84.84
10 159.40 157.40 1.70 706.37 620.95 85.42
11 157.20 156.90 0.00 706.46 620.54 85.92
12 156.60 156.30 0.00 706.51 620.65 85.86
13 152.40 152.10 0.00 706.57 620.21 86.36
14 140.40 140.10 0.00 706.57 619.40 87.17
15 126.40 126.10 0.00 706.70 618.69 88.01
16 129.10 128.80 0.00 706.39 618.22 88.17
17 106.70 106.40 0.00 706.33 617.31 89.02
18 102.60 102.20 0.00 706.02 615.92 90.10
19 87.10 86.80 0.00 705.91 616.04 89.87
20 93.30 93.00 0.00 706.37 616.02 90.35
21 95.00 90.10 4.60 706.86 616.77 90.09
22 119.60 102.90 16.40 706.51 620.21 86.30
23 157.70 140.70 16.70 706.61 620.50 86.11
24 151.40 142.10 9.00 706.32 620.42 85.90
AVG 137.70 129.50 7.90 706.50 619.40 87.11
MAX 173.30 157.40 16.70 706.86 621.82 90.35
MIN 87.10 86.80 0.00 705.91 615.92 84.84