Rock Island Dam & Reservoir

February 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	7785	324	0	109.36	113.60	113.60	0.00	612.24	611.96	572.02	39.94
2	8772	366	0	124.34	130.93	130.93	0.00	611.94	611.85	572.60	39.25
3	9478	395	0	144.46	147.18	147.18	0.00	612.28	611.90	573.61	38.29
4	8504	354	0	122.96	126.44	126.44	0.00	612.28	611.87	572.64	39.23
5	8462	353	0	114.64	119.15	119.15	0.00	612.35	611.84	570.80	41.04
6	8814	367	0	118.30	121.25	121.25	0.00	612.07	612.01	569.95	42.06
7	9187	383	0	124.44	132.33	132.33	0.00	611.78	612.13	571.63	40.50
8	7896	329	0	112.46	113.29	113.29	0.00	611.57	611.61	571.14	40.47
9	8600	358	0	124.15	129.51	129.51	0.00	612.33	612.01	572.66	39.35
10	9842	410	0	144.15	147.35	147.35	0.00	612.27	612.20	572.77	39.43
11	9481	395	0	138.88	144.46	144.46	0.00	612.57	612.12	573.22	38.90
12	8209	342	0	115.77	121.98	121.98	0.00	612.27	611.96	571.87	40.09
13	9255	386	0	142.82	147.88	139.23	8.65	611.86	611.90	572.43	39.47
14	8221	343	0	113.92	118.08	118.08	0.00	611.85	611.90	571.23	40.67
15	8927	372	0	120.99	126.70	126.70	0.00	612.01	612.06	570.79	41.27
16	10167	424	0	143.72	150.45	150.45	0.00	610.94	611.96	571.97	39.99
17	9896	412	0	146.59	151.82	151.82	0.00	611.49	611.58	572.69	38.89
18	9635	401	0	135.97	140.78	140.78	0.00	612.38	611.97	571.84	40.13
19	9460	394	0	129.55	135.31	135.31	0.00	612.18	612.08	570.89	41.19
20	10236	426	0	146.40	152.08	152.08	0.00	611.70	611.73	571.52	40.21
21	10029	418	0	148.92	154.97	154.97	0.00	612.19	611.90	573.15	38.75
22	9871	411	0	148.14	153.98	153.98	0.00	612.33	612.37	574.01	38.36
23	9877	412	0	151.34	158.50	158.50	0.00	611.80	612.01	574.34	37.67
24	9926	414	0	150.32	155.26	155.26	0.00	612.48	611.92	573.70	38.22
25	9346	389	0	142.02	149.60	147.85	1.75	611.30	611.64	573.69	37.95
26	9106	379	0	139.18	143.92	142.25	1.67	612.03	612.04	573.97	38.07
27	8206	342	0	118.63	124.18	124.18	0.00	612.14	611.79	573.00	38.79
28	9080	378	0	134.70	138.61	138.61	0.00	611.89	611.89	572.99	38.90

TOT	256268		0
AVG	9152	381	0	132.40	137.49	137.05	0.43	612.02	611.94	572.40	39.54

MAX	10236			151.34	158.50	158.50	8.65	612.57	612.37	574.34	42.06
MIN	7785			109.36	113.29	113.29	0.00	610.94	611.58	569.95	37.67