US Army Corps of Engineers

Rocky Reach Dam

Friday June 19, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 120.40 104.80 15.30 705.28 616.89 88.39
2 127.10 111.50 15.30 705.76 617.11 88.65
3 111.10 95.30 15.40 706.16 616.45 89.71
4 106.00 90.10 15.50 706.26 616.49 89.77
5 123.70 107.80 15.50 706.12 617.98 88.14
6 137.70 122.00 15.30 706.21 618.73 87.48
7 131.20 119.20 11.70 706.19 618.83 87.36
8 135.00 127.10 7.50 706.39 618.51 87.88
9 132.10 124.40 7.40 706.36 618.70 87.66
10 136.20 128.50 7.40 706.37 618.52 87.85
11 129.00 121.30 7.40 706.23 618.40 87.83
12 136.00 128.30 7.40 706.35 619.08 87.27
13 151.00 143.20 7.50 706.36 619.50 86.86
14 175.60 167.80 7.40 706.11 621.04 85.07
15 172.50 164.70 7.40 705.97 620.79 85.18
16 158.90 151.10 7.40 705.92 620.25 85.67
17 165.70 157.90 7.40 705.89 620.63 85.26
18 176.60 164.60 11.70 705.76 621.29 84.47
19 170.60 158.50 11.80 705.72 621.09 84.63
20 186.20 174.10 11.80 705.47 621.74 83.73
21 183.10 167.40 15.40 705.20 621.56 83.64
22 184.60 168.80 15.50 705.10 621.20 83.90
23 145.50 129.70 15.50 705.16 619.50 85.66
24 141.40 125.60 15.50 705.54 618.73 86.81
AVG 147.38 135.57 11.48 705.91 619.29 86.62
MAX 186.20 174.10 15.50 706.39 621.74 89.77
MIN 106.00 90.10 7.40 705.10 616.45 83.64
BUILDING STRONG®