Rock Island Dam & Reservoir

December 2025

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	6933	289	0	92.51	95.21	95.21	0.00	612.11	612.10	570.36	41.74
2	6785	283	0	89.82	92.87	92.87	0.00	612.15	612.13	570.07	42.06
3	6986	291	0	90.63	94.32	94.32	0.00	611.40	611.84	569.40	42.44
4	7647	319	0	104.87	105.95	105.95	0.00	611.93	611.85	569.98	41.87
5				126.66	132.80	132.80	0.00	612.10	611.95	572.14	39.81
6				108.52	112.88	112.88	0.00	611.74	611.84	571.32	40.52
7				99.42	102.23	102.23	0.00	612.13	612.11	570.06	42.05
8				107.16	112.29	111.37	0.92	612.22	611.92	571.05	40.87
9				92.83	96.02	94.10	1.92	612.06	611.70	570.88	40.82
10				87.91	92.44	92.31	0.13	611.85	612.05	570.36	41.69
11				100.36	100.74	100.74	0.00	611.88	611.88	571.64	40.24
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

TOT	28351		0
AVG	7088	295	0	100.06	103.43	103.16	0.27	611.96	611.94	570.66	41.28

MAX	7647			126.66	132.80	132.80	1.92	612.22	612.13	572.14	42.44
MIN	6785			87.91	92.44	92.31	0.00	611.40	611.70	569.40	39.81