US Army Corps of Engineers

Rock Island Dam & Reservoir

December 2023

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 74.53 74.86 74.86 0.00 612.35 612.07 568.40 43.67
2 38.19 39.18 39.18 0.00 611.60 611.85 567.22 44.63
3 61.90 60.42 60.42 0.00 612.01 611.88 567.07 44.81
4 57.55 61.13 61.13 0.00 611.54 611.98 567.40 44.58
5 55.83 53.35 53.35 0.00 612.15 611.70 566.62 45.08
6 84.16 86.01 85.78 0.23 612.27 612.22 569.29 42.93
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TOT           
AVG    62.03 62.49 62.45 0.04 611.99 611.95 567.67 44.28
MAX    84.16 86.01 85.78 0.23 612.35 612.22 569.29 45.08
MIN    38.19 39.18 39.18 0.00 611.54 611.70 566.62 42.93