Rock Island Dam & Reservoir

April 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	7905	329	0	116.38	119.07	119.06	0.01	611.69	611.93	572.74	39.19
2	5420	226	0	75.55	77.96	77.96	0.00	612.06	611.80	571.74	40.06
3	6772	282	0	99.03	100.56	100.17	0.39	611.60	612.01	572.32	39.69
4	5505	229	0	89.92	89.75	79.69	10.06	611.85	611.82	571.77	40.05
5	4716	196	0	73.19	74.35	65.11	9.23	612.07	611.79	569.74	42.05
6	5315	221	0	79.79	80.20	70.86	9.35	612.22	611.92	568.80	43.12
7	5808	242	0	86.21	88.56	78.70	9.85	611.87	612.03	568.88	43.15
8	6004	250	0	90.41	92.93	84.35	8.58	612.21	611.91	570.66	41.25
9	5320	222	0	81.47	82.98	74.46	8.52	612.35	611.72	570.22	41.50
10	8537	356	0	139.05	140.64	129.09	11.55	612.13	611.85	572.38	39.47
11	7610	317	0	122.10	128.20	113.17	15.04	611.82	612.11	572.60	39.51
12	6363	265	0	117.87	119.10	95.16	23.94	612.30	611.98	572.28	39.70
13	8932	372	0	151.53	156.45	144.13	12.32	610.02	611.51	574.38	37.13
14	8787	366	0	153.34	155.86	143.10	12.77	611.02	611.33	574.15	37.18
15	8172	340	0	131.35	136.76	123.93	12.83	611.78	612.01	573.05	38.96
16	6710	280	0	108.35	106.53	93.75	12.78	611.80	611.66	569.96	41.70
17	8602	358	0	135.06	139.07	126.35	12.72	611.76	611.73	571.67	40.06
18	8591	358	0	132.93	137.92	126.02	11.90	612.02	611.86	571.94	39.92
19	6575	274	0	103.82	103.43	93.14	10.29	611.36	611.74	570.36	41.38
20	8065	336	0	122.83	125.62	113.97	11.65	611.96	612.16	570.85	41.31
21	7812	326	0	118.32	121.31	110.63	10.68	612.41	612.03	570.77	41.26
22	9121	380	0	143.54	148.97	138.10	10.87	611.36	612.18	572.85	39.33
23	7443	310	0	120.77	123.76	112.11	11.65	611.93	611.75	572.48	39.27
24	7341	306	0	114.23	117.06	104.68	12.38	612.18	611.88	571.07	40.81
25	8110	338	0	122.02	127.60	115.65	11.95	611.32	611.84	570.76	41.08
26	7548	314	0	114.69	114.38	103.53	10.85	612.21	612.04	569.54	42.50
27	6217	259	0	91.08	93.80	82.28	11.52	612.25	612.00	568.22	43.78
28	7792	325	0	117.86	118.92	106.71	12.21	611.64	611.85	569.38	42.47
29	7062	294	0	109.40	111.57	100.18	11.39	611.84	611.70	570.09	41.61
30	8194	341	0	135.24	135.76	122.08	13.68	612.30	612.01	571.83	40.18

TOT	216349		0
AVG	7212	300	0	113.24	115.64	104.94	10.70	611.84	611.87	571.25	40.62

MAX	9121			153.34	156.45	144.13	23.94	612.41	612.18	574.38	43.78
MIN	4716			73.19	74.35	65.11	0.00	610.02	611.33	568.22	37.13