Alliant Energy - Hydro Flow Rate Data

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Kilbourn Flow Rate Data

NOTE: Data is for informational purposes only and may not be accurate or up to date.

The following data is periodically updated: Last update: Aug 10, 2025 5:05:02 PM CST

	Current	4-hour Change	12-hour Change
Head Water (feet NGVD)	834.47	-0.21	-0.24
Tail Water (feet NGVD)	805.85	0.15	0.69
Total Flow (CFS)*	5243.09	511.70	2120.11

NGVD is National Geodetic Vertical Datum
CFS is Cubic Feet per Second

*Total flow through Hydro units and Spillway

Prairie du Sac Flow Rate Data

NOTE: Data is for informational purposes only and may not be accurate or up to date.

The following data is periodically updated: Last update: Aug 10, 2025 5:05:02 PM CST

	Current	4-hour Change	12-hour Change
Head Water (feet NGVD)	774.38	0.03	0.03
Tail Water (feet NGVD)	729.97	0.03	0.13
Total Flow (CFS)*	5536.26	248.92	613.48

NGVD is National Geodetic Vertical Datum
CFS is Cubic Feet per Second

*Total flow through Hydro units and Spillway

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