Rock Island Dam & Reservoir

November 2026

Day of Month	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet
1	59.20	60.71	60.71	0.00	611.91	612.10	569.58	42.52
2	70.79	71.63	70.09	1.54	611.92	611.97	567.91	44.06
3	72.02	70.85	68.76	2.09	612.26	612.12	567.07	45.05
4	93.98	95.69	95.69	0.00	611.73	612.12	568.89	43.23
5	96.98	98.55	98.55	0.00	612.16	612.04	568.56	43.48
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TOT
AVG	78.59	79.49	78.76	0.73	612.00	612.07	568.40	43.67

MAX	96.98	98.55	98.55	2.09	612.26	612.12	569.58	45.05
MIN	59.20	60.71	60.71	0.00	611.73	611.97	567.07	42.52