If you are vision-impaired or have some other disability under the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to shopping or ordering on or using the benefits of our website, please contact Alliant Energy at 1-800-ALLIANT (800-255-4268).
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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: 5/30/16 6:05 PM CST

Head Water Level Tail Water Level Total Flow*
774.3 feet NGVD 732.89 feet NGVD 9434.14 CFS

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

*Total flow through Hydro units and Spillway

If you are vision-impaired or have some other disability under the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to shopping or ordering on or using the benefits of our website, please contact Alliant Energy at 1-800-ALLIANT (800-255-4268).