US Army Corps of Engineers

Little Goose Dam & Lake Bryan

September 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 3356 140 18 20.80 21.10 19.50 1.10 636.90 636.82 538.96 97.86
2 3907 163 18 24.90 24.30 22.70 1.30 637.00 636.72 538.83 97.89
3 2365 99 16 17.70 16.70 13.70 2.60 637.21 636.81 538.66 98.15
4 2951 123 19 18.70 18.60 17.00 1.20 637.20 637.02 538.70 98.32
5 3781 158 18 22.70 23.60 21.80 1.20 637.03 637.14 538.93 98.21
6 3760 157 18 24.30 23.40 21.70 1.30 637.20 637.08 539.16 97.92
7 3459 144 18 19.90 21.80 20.00 1.30 636.80 636.87 539.10 97.77
8 3495 146 19 21.10 21.90 20.10 1.20 636.64 636.81 538.90 97.91
9 3235 135 19 20.70 20.30 18.60 1.20 636.71 636.78 538.71 98.07
10 2878 120 19 19.80 18.30 16.60 1.20 637.03 636.85 538.44 98.41
11 2945 123 19 18.80 18.70 16.90 1.30 637.00 637.00 538.66 98.34
12 2803 117 19 19.00 18.00 16.10 1.30 637.24 637.10 538.78 98.32
13 3137 131 19 20.00 20.10 18.00 1.50 637.21 637.15 539.01 98.14
14 3291 137 18 20.70 20.80 19.10 1.20 637.19 637.21 539.21 98.00
15 3150 131 18 21.70 20.00 18.20 1.20 637.53 637.31 539.04 98.27
16 4076 170 18 24.20 25.70 23.60 1.60 637.23 637.28 539.21 98.07
17 3734 156 17 21.70 23.40 21.60 1.20 636.89 637.12 539.14 97.98
18 3565 149 18 23.60 22.50 20.60 1.50 637.11 637.14 539.14 98.00
19 3382 141 18 20.90 21.40 19.50 1.30 637.03 637.06 539.18 97.88
20 2505 104 18 18.10 16.20 14.50 1.20 637.39 637.15 539.23 97.92
21 2719 113 18 17.90 17.60 15.70 1.30 637.45 637.26 539.27 97.99
22 2437 102 18 18.30 15.80 14.00 1.30 637.94 637.39 538.79 98.60
23 2520 105 18 12.10 16.20 14.40 1.20 637.15 637.43 538.93 98.50
24 2616 109 18 12.90 17.30 15.20 1.40 636.51 636.93 538.96 97.97
25 2709 113 19 14.40 17.50 15.80 1.10 635.87 636.30 539.22 97.08
26 2552 106 18 17.30 16.70 15.00 1.20 635.98 635.87 539.32 96.55
27 2384 99 18 19.80 15.60 13.80 1.20 636.84 636.86 539.19 97.67
28 2322 97 18 15.10 15.20 13.50 1.20 636.82 636.75 539.14 97.61
29 2386 99 17 15.70 15.60 13.80 1.20 636.86 636.77 539.11 97.66
30 2374 99 17 15.70 15.30 13.70 1.10 636.94 636.93 538.88 98.05
TOT 90795  541        
AVG 3026 126 18 19.28 19.32 17.49 1.30 637.00 636.96 538.99 97.97
MAX 4076   24.90 25.70 23.60 2.60 637.94 637.43 539.32 98.60
MIN 2322   12.10 15.20 13.50 1.10 635.87 635.87 538.44 96.55