Rock Island Dam

Tuesday June 2, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	194.40	147.90	46.50	612.40	575.32	37.08
2	188.30	146.90	41.40	612.17	575.00	37.17
3	156.10	114.30	41.80	612.38	573.75	38.63
4	164.50	122.50	42.00	612.12	574.32	37.80
5	187.00	142.80	44.20	612.32	575.64	36.68
6	207.00	123.20	83.80	612.06	575.54	36.52
7	199.70	130.00	69.70	612.26	575.35	36.91
8	195.30	129.40	65.90	612.34	574.97	37.37
9	178.10	102.20	75.90	612.69	574.00	38.69
10	187.70	85.60	102.10	612.78	574.27	38.51
11	190.80	101.90	88.90	612.47	574.70	37.77
12	188.90	134.90	54.00	612.49	574.97	37.52
13	190.20	147.30	42.90	612.29	574.79	37.50
14	185.90	142.80	43.10	612.33	574.87	37.46
15	180.90	137.40	43.50	612.60	574.68	37.92
16	181.90	138.10	43.80	612.75	574.72	38.03
17	190.50	147.80	42.70	612.58	575.08	37.50
18	191.20	147.60	43.60	612.66	574.86	37.80
19	198.90	147.90	51.00	612.48	575.27	37.21
20	202.20	147.50	54.70	612.38	575.41	36.97
21	198.70	147.80	50.90	612.56	575.14	37.42
22	196.90	148.10	48.80	612.70	575.32	37.38
23	197.00	148.20	48.80	612.57	575.32	37.25
24	188.70	147.60	41.10	612.75	575.21	37.54

AVG	189.20	134.57	54.63	612.46	574.94	37.53

MAX	207.00	148.20	102.10	612.78	575.64	38.69
MIN	156.10	85.60	41.10	612.06	573.75	36.52