Rock Island Dam & Reservoir

February 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	109.36	113.60	113.60	0.00	612.24	611.96	572.02	39.94
2	124.34	130.93	130.93	0.00	611.94	611.85	572.60	39.25
3	144.46	147.18	147.18	0.00	612.28	611.90	573.61	38.29
4	122.96	126.44	126.44	0.00	612.28	611.87	572.64	39.23
5	114.64	119.15	119.15	0.00	612.35	611.84	570.80	41.04
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TOT
AVG	123.15	127.46	127.46	0.00	612.22	611.88	572.33	39.55

MAX	144.46	147.18	147.18	0.00	612.35	611.96	573.61	41.04
MIN	109.36	113.60	113.60	0.00	611.94	611.84	570.80	38.29