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: Sep 09, 2025 7:05:02 AM CST

	Current	4-hour Change	12-hour Change
Head Water (feet NGVD)	834.91	0.16	0.33
Tail Water (feet NGVD)	805.22	0.01	-0.36
Total Flow (CFS)*	3404.13	215.22	-441.64

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: Sep 09, 2025 7:05:02 AM CST

	Current	4-hour Change	12-hour Change
Head Water (feet NGVD)	774.44	0.00	0.06
Tail Water (feet NGVD)	730.14	0.01	0.13
Total Flow (CFS)*	5722.15	16.30	280.41

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

*Total flow through Hydro units and Spillway

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