Emergency? Call 1-800-ALLIANT (1-800-255-4268)

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: 4/24/14 3:10 AM CST

Head Water Level Tail Water Level Total Flow*
774.4 feet NGVD 736.4 feet NGVD 23367 CFS

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

*Total flow through Hydro units and Spillway