Rock Island Dam

Tuesday June 23, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	168.20	137.00	31.20	612.07	571.94	40.13
2	160.50	128.90	31.70	612.17	571.59	40.58
3	135.50	103.80	31.70	612.31	570.61	41.70
4	121.10	89.50	31.60	611.86	570.26	41.60
5	120.80	90.50	30.30	611.32	570.21	41.11
6	116.10	85.50	30.60	611.77	569.97	41.80
7	122.00	91.10	31.00	611.98	570.24	41.74
8	122.20	90.70	31.50	612.11	570.13	41.98
9	123.20	92.10	31.10	611.86	570.19	41.67
10	116.10	96.00	20.00	612.11	569.56	42.55
11	111.40	91.00	20.40	612.13	569.65	42.48
12	110.20	90.20	20.00	611.95	569.40	42.55
13	102.70	82.60	20.10	612.03	568.91	43.12
14	101.90	81.50	20.30	612.39	568.99	43.40
15	124.30	103.80	20.50	612.35	570.15	42.20
16
17
18
19
20
21
22
23
24

AVG	123.75	96.95	26.80	612.03	570.12	41.91

MAX	168.20	137.00	31.70	612.39	571.94	43.40
MIN	101.90	81.50	20.00	611.32	568.91	40.13