Rock Island Dam

Monday August 3, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	68.70	61.90	6.80	611.52	568.83	42.69
2	33.60	27.00	6.70	611.40	567.48	43.92
3	26.50	19.90	6.60	611.48	567.88	43.60
4	28.10	21.50	6.70	611.61	567.86	43.75
5	25.00	18.30	6.70	611.82	567.26	44.56
6	25.90	19.10	6.80	612.22	567.07	45.15
7	43.80	36.30	7.40	612.95	567.94	45.01
8	118.50	92.10	26.30	612.30	569.75	42.55
9	113.90	107.00	6.80	612.04	570.35	41.69
10	109.70	107.50	2.20	612.22	569.02	43.20
11	90.10	90.10	0.00	612.49	569.34	43.15
12	86.20	86.20	0.00	612.17	569.51	42.66
13	84.40	84.40	0.00	612.24	569.89	42.35
14	104.70	104.70	0.00	612.25	570.99	41.26
15	113.50	113.50	0.00	612.37	571.08	41.29
16	127.80	127.80	0.00	612.14	571.92	40.22
17	144.60	144.60	0.00	611.57	573.03	38.54
18	150.80	150.80	0.00	611.38	572.84	38.54
19	158.30	158.30	0.00	611.39	573.10	38.29
20	153.30	153.30	0.00	611.99	573.08	38.91
21	149.80	149.80	0.00	612.31	573.05	39.26
22	154.00	154.00	0.00	612.24	573.02	39.22
23	128.90	128.90	0.00	612.13	572.37	39.76
24	92.90	92.90	0.00	612.31	570.75	41.56

AVG	97.21	93.75	3.46	612.02	570.31	41.71

MAX	158.30	158.30	26.30	612.95	573.10	45.15
MIN	25.00	18.30	0.00	611.38	567.07	38.29