Rock Island Dam & Reservoir

June 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	8156	340	0	131.49	134.36	120.30	14.05	612.08	611.95	572.04	39.91
2	8575	357	0	144.52	148.66	134.53	14.13	611.03	611.56	573.56	38.00
3	9028	376	0	156.04	160.13	145.88	14.25	610.89	611.52	574.25	37.27
4	7006	292	0	113.69	116.30	102.40	13.90	612.19	611.91	571.76	40.15
5	7871	328	0	124.11	126.24	112.91	13.33	611.91	611.89	570.98	40.91
6	7630	318	0	136.92	139.00	112.27	26.73	611.74	611.86	571.62	40.24
7	5726	239	0	108.56	109.65	83.40	26.26	612.02	611.67	570.72	40.95
8	6053	252	0	118.97	117.16	89.22	27.94	611.94	611.51	571.58	39.93
9	6754	281	0	125.58	128.08	99.80	28.28	611.54	611.88	571.47	40.41
10	6363	265	0	116.52	116.40	89.31	27.08	612.14	612.00	570.29	41.71
11	5301	221	0	97.97	99.60	72.24	27.36	612.08	611.94	568.70	43.24
12	5487	229	0	98.55	98.33	73.70	24.63	611.68	611.96	568.27	43.69
13	6614	276	0	117.80	118.78	94.21	24.57	611.03	611.60	569.56	42.04
14	5620	234	0	103.33	103.31	78.46	24.85	612.25	611.87	569.48	42.39
15	6118	255	0	109.85	109.45	86.59	22.86	611.68	611.64	569.06	42.58
16	6474	270	0	114.77	117.78	93.81	23.97	610.90	611.43	569.74	41.69
17	6392	266	0	115.81	116.53	93.45	23.08	611.87	611.30	569.88	41.42
18	6576	274	0	109.39	111.55	89.54	22.02	612.30	612.02	569.43	42.59
19	6864	286	0	120.16	120.24	97.63	22.61	612.26	611.84	570.16	41.68
20	4886	204	0	89.09	90.66	68.59	22.08	612.16	611.81	569.00	42.81
21	5268	220	0	90.37	90.92	71.40	19.52	612.24	611.82	568.91	42.91
22	5801	242	0	95.37	96.92	77.36	19.56	612.19	611.93	568.68	43.25
23	6583	274	0	115.86	114.61	91.32	23.29	612.05	612.12	569.50	42.62
24	5607	234	0	98.77	100.17	78.44	21.73	611.94	611.79	569.50	42.29
25	6212	259	0	107.22	108.61	87.86	20.75	611.79	611.56	569.35	42.21
26	6257	261	0	108.72	110.36	89.51	20.85	611.72	611.42	570.09	41.33
27	5900	246	0	98.04	100.09	79.22	20.88	611.68	611.75	568.67	43.08
28	5629	235	0	99.36	97.02	77.15	19.87	612.18	611.77	568.53	43.24
29				89.33	89.43	71.46	17.97	612.11	611.74	568.54	43.20
30				92.59	93.10	69.69	23.42	612.31	611.76	568.71	43.05

TOT	180751		0
AVG	6455	269	0	111.62	112.78	91.06	21.73	611.86	611.76	570.07	41.69

MAX	9028			156.04	160.13	145.88	28.28	612.31	612.12	574.25	43.69
MIN	4886			89.09	89.43	68.59	13.33	610.89	611.30	568.27	37.27