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

Prairie du Sac Flow Rate Data

NOTE: We are currently upgrading our information gathering systems at the Prairie du Sac Dam. Therefore, online data is not currently available.

For an accurate, daily update on Wisconsin River flows at the Prairie du Sac, Castle Rock and Kilbourn Dams, call 1-800-242-1077. We apologize for any inconvenience and expect our new systems to be in place sometime in October.

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).