Rock Island Dam & Reservoir

July 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	7856	327	0	143.64	145.18	117.18	28.00	611.51	612.16	573.20	38.96
2	7268	303	0	131.30	132.49	105.18	27.30	611.57	611.99	572.48	39.51
3	6958	290	0	125.96	124.70	99.09	25.61	611.66	611.77	571.23	40.54
4	7035	293	0	136.33	134.88	101.34	33.54	612.07	612.14	571.80	40.34
5				117.28	119.00	96.59	22.41	612.24	612.16	571.01	41.15
6				118.67	119.28	93.52	25.76	612.37	611.87	569.80	42.07
7				103.66	104.71	81.63	23.09	612.32	611.97	568.16	43.81
8				96.23	95.32	74.16	21.16	611.95	611.93	567.47	44.46
9				113.35	113.65	91.32	22.32	612.25	611.88	569.01	42.87
10				96.66	97.28	75.16	22.11	611.66	612.03	568.62	43.41
11				116.76	117.20	94.00	23.20	611.22	611.89	570.49	41.40
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TOT	29117		0
AVG	7279	303	0	118.17	118.52	93.56	24.95	611.89	611.98	570.30	41.68

MAX	7856			143.64	145.18	117.18	33.54	612.37	612.16	573.20	44.46
MIN	6958			96.23	95.32	74.16	21.16	611.22	611.77	567.47	38.96