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In 1989, Governor Tommy Thompson signed Wisconsin Act 31 which created the Lower Wisconsin State Riverway. This historic action represented the culmination of years of planning and followed hundreds of hours of public meetings. The Riverway legislation was born from a compromise crafted by legislators from both political parties. The Riverway extends 92.3 miles from below the dam at Prairie du Sac to the confluence with the Mississippi River near Prairie du Chien and encompasses 95,893 acres. The Department of Natural Resources is responsible for administering a land acquisition program within the project boundaries.


The Lower Wisconsin State Riverway Board, was created to administer the new law. The Board is composed of nine members of which six must be local residents or local elected officials from the affected counties (Columbia, Crawford, Dane, Grant, Iowa, Richland and Sauk). The agency administers a system of "performance standards" which are designed to protect the aesthetic integrity of the Riverway. Permits are required for structures, timber harvesting, utility facilities and other activities. A number of activities are now prohibited within the Riverway. However, most activities associated with an agricultural operation are exempt from the new regulations.


Lower Wisconsin State Riverway Board
202 North Wisconsin Avenue
P.O. Box 187
Muscoda, Wisconsin  53573
Phone:  608-739-3188  FAX:  608-739-4263

Toll Free Phone:  1-800-221-3792



—Quick Links—
DNR LWSR Master Plan
The DNR Master Plan for the Lower Wisconsin State Riverway, which also includes Tower Hill State Park.
LWSRB Comments on DNR Final LWSR Master Plan
LWSRB Comments on DNR Final LWSR Master Plan 09/12/2016
LWSRB Recommendations for DNR LWSR Master Plan Revision
LWSRB recommendations to the DNR regarding the Master Plan revision of the Lower Wisconsin State Riverway. 06/12/2014
Wisconsin River Flow at Prairie du Sac
For river flow at Prairie du Sac, call 1-800-242-1077 or click on link.
Wisconsin River Flow at Muscoda
Current River Flowage at Muscoda
LWSRB Biennial Report 2013-2015
Weather Forecast
Detailed Forecast for the Muscoda Area
LWSRB Weekly Video Report
Mark Cupp reports on Riverway conditions, events and weather.
WI DNR Riverway Website
Riverway Visitor
Background information on the Riverway's natural and cultural resources, safety tips for recreational users, maps, contact information for state agencies, canoe rental and camping information.
Lower Wisconsin State Riverway Water Trails Map
Water Trail Map
Mound Maintenance Protocol
Guidelines for proper stewardship of cultural resources (particularly earthworks) on public and private lands.
General Permit Application
Management Permit Application
LWSRB on Facebook
Come check out the LWSRB on Facebook.