US Army Corps of Engineers

Libby Dam & Lake Koocanusa

June 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetMidnight Storage kaf
1 10885 454 16 40.74 20.00 20.00 0.00 2434.45 2433.97 2123.12 310.85 3896.20
2 10814 451 17 37.88 20.00 20.00 0.00 2435.30 2434.95 2123.09 311.86 3931.70
3 10878 453 17 30.77 20.00 20.00 0.00 2435.81 2435.62 2123.10 312.52 3953.10
4 10884 453 18 25.50 20.00 20.00 0.00 2436.07 2435.98 2123.09 312.89 3964.00
5 10891 454 18 21.69 20.00 20.00 0.00 2436.15 2436.15 2123.09 313.06 3967.30
6 10897 454 17 21.48 20.00 20.00 0.00 2436.22 2436.19 2123.09 313.10 3970.30
7 22.33 20.00 20.00 0.00 2436.33 2436.28 2123.09 313.19 3974.90
8 23.18 20.00 20.00 0.00 2436.48 2436.41 2123.09 313.32 3981.20
9 24.03 20.00 20.00 0.00 2436.67 2436.58 2123.09 313.49 3989.20
10 25.31 20.00 20.00 0.00 2436.92 2436.81 2123.12 313.69 3999.70
11 28.08 20.00 20.00 0.00 2437.30 2437.11 2123.12 313.99 4015.80
12 24.48 20.00 20.00 0.00 2437.51 2437.40 2123.11 314.29 4024.70
13 23.20 20.00 20.00 0.00 2437.66 2437.57 2123.12 314.45 4031.00
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOT 65249  103         
AVG 10875 453 17 26.82 20.00 20.00 0.00 2436.37 2436.23 2123.10 313.13 3976.85
MAX 10897   40.74 20.00 20.00 0.00 2437.66 2437.57 2123.12 314.45 4031.00
MIN 10814   21.48 20.00 20.00 0.00 2434.45 2433.97 2123.09 310.85 3896.20