Rock Island Dam & Reservoir

May 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	7810	325	0	169.04	171.58	124.91	46.67	612.17	612.27	574.35	37.92
2				161.91	164.29	119.00	45.29	612.54	612.25	573.98	38.27
3				155.46	159.41	128.82	30.59	612.43	612.20	573.97	38.23
4				157.80	163.10	140.13	22.97	612.90	612.30	574.04	38.26
5				170.98	177.34	145.78	31.55	612.82	612.51	574.87	37.64
6				129.65	137.93	120.38	17.56	612.05	612.11	573.10	39.01
7				138.12	142.60	127.94	14.66	612.11	611.77	572.27	39.50
8				119.98	122.49	104.24	18.25	612.56	612.13	571.83	40.30
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TOT	7810		0
AVG	7810	325	0	150.37	154.84	126.40	28.44	612.45	612.19	573.55	38.64

MAX	7810			170.98	177.34	145.78	46.67	612.90	612.51	574.87	40.30
MIN	7810			119.98	122.49	104.24	14.66	612.05	611.77	571.83	37.64