US Army Corps of Engineers

Rocky Reach Dam

Sunday June 21, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 94.40 79.00 15.10 704.08 615.42 88.66
2 91.20 75.80 15.10 704.41 615.23 89.18
3 73.70 58.20 15.20 704.63 614.74 89.89
4 81.50 66.00 15.20 704.79 614.66 90.13
5 65.20 49.70 15.20 704.93 613.80 91.13
6 69.50 54.00 15.20 705.43 614.00 91.43
7 68.10 56.40 11.30 705.54 613.84 91.70
8 78.90 71.10 7.50 705.93 614.59 91.34
9 95.90 88.20 7.40 705.28 615.72 89.56
10 87.30 79.60 7.40 704.95 615.27 89.68
11 73.60 65.80 7.50 704.90 614.59 90.31
12 63.70 55.90 7.50 705.02 613.77 91.25
13 54.80 47.00 7.50 705.40 613.55 91.85
14 59.60 51.80 7.50 705.47 614.07 91.40
15 101.70 93.90 7.50 705.31 616.22 89.09
16 116.20 108.40 7.50 704.93 617.18 87.75
17 123.40 115.70 7.40 704.85 617.28 87.57
18 100.00 88.30 11.40 704.81 616.69 88.12
19 114.80 102.90 11.60 704.53 617.91 86.62
20 157.90 146.00 11.60 704.37 619.85 84.52
21 153.20 137.60 15.30 704.50 618.95 85.55
22 130.00 114.30 15.40 704.73 618.33 86.40
23 137.40 121.70 15.40 704.51 618.74 85.77
24 137.90 122.20 15.40 704.40 618.53 85.87
AVG 97.08 85.40 11.38 704.90 615.96 88.95
MAX 157.90 146.00 15.40 705.93 619.85 91.85
MIN 54.80 47.00 7.40 704.08 613.55 84.52
BUILDING STRONG®