US Army Corps of Engineers

Little Goose Dam & Lake Bryan

September 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 3017 126 16 21.00 21.60 17.30 3.70 637.03 637.05 538.53 98.52
2 1713 71 13 19.10 17.40 9.80 7.00 637.33 637.22 538.21 99.01
3 3181 133 16 22.50 22.60 18.20 3.90 637.34 637.38 538.78 98.60
4 3151 131 16 21.80 3.50 637.25 637.32
5 24.30 26.90 22.80 3.60 636.77 637.28 538.88 98.40
6 22.80 22.80 18.90 3.50 636.75 636.68 538.46 98.22
7 23.60 24.10 19.90 3.70 636.66 636.71 538.55 98.16
8 23.60 23.50 19.20 3.70 636.67 636.93 538.54 98.39
9 24.80 24.60 20.50 3.60 636.73 636.83 538.63 98.20
10 26.70 24.50 20.30 3.60 637.16 637.00 538.69 98.31
11 24.20 25.70 17.90 7.30 636.89 637.12 538.62 98.50
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TOT 11061  61        
AVG 2765 115 15 23.13 23.37 18.48 4.28 636.96 637.05 538.59 98.43
MAX 3181   26.70 26.90 22.80 7.30 637.34 637.38 538.88 99.01
MIN 1713   19.10 17.40 9.80 3.50 636.66 636.68 538.21 98.16