Rock Island Dam & Reservoir
March 2026
| Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow kcfs | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Midnight Reservoir Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet |
| 1 | 8643 | 360 | 0 | 122.33 | 127.34 | 127.34 | 0.00 | 612.26 | 611.99 | 572.31 | 39.68 |
| 2 | 8701 | 363 | 0 | 122.57 | 127.42 | 127.42 | 0.00 | 612.06 | 611.85 | 571.71 | 40.14 |
| 3 | 8606 | 359 | 0 | 119.68 | 123.45 | 123.44 | 0.00 | 612.20 | 611.90 | 571.24 | 40.66 |
| 4 | | | | 113.20 | 116.75 | 116.75 | 0.01 | 611.62 | 611.61 | 570.85 | 40.76 |
| 5 | | | | 129.93 | 132.25 | 131.47 | 0.78 | 611.94 | 611.80 | 572.38 | 39.42 |
| 6 | | | | 135.45 | 142.44 | 142.44 | 0.00 | 610.95 | 611.56 | 573.82 | 37.74 |
| 7 | | | | 121.92 | 124.68 | 119.53 | 5.15 | 612.13 | 611.82 | 572.76 | 39.06 |
| 8 | | | | 108.27 | 110.64 | 110.28 | 0.36 | 612.61 | 612.05 | 570.95 | 41.10 |
| 9 | | | | 116.65 | 123.21 | 123.05 | 0.15 | 610.84 | 611.46 | 570.80 | 40.66 |
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| TOT | 25950 | | 0 | | | | | | | | |
| AVG | 8650 | 360 | 0 | 121.11 | 125.35 | 124.64 | 0.72 | 611.85 | 611.78 | 571.87 | 39.91 |
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| MAX | 8701 | | | 135.45 | 142.44 | 142.44 | 5.15 | 612.61 | 612.05 | 573.82 | 41.10 |
| MIN | 8606 | | | 108.27 | 110.64 | 110.28 | 0.00 | 610.84 | 611.46 | 570.80 | 37.74 |