Delavan Lake Sanitary District Launches a New Website! Subscribe Today! - January 03, 2019

Delavan Lake Sanitary District is proud to announce the launch of our new website. Subscribe... [more...]


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Herbicide and Algaecide Treatments


An application for Herbicide and Algaecide treatments along many shorelines located on Delavan Lake has been submitted to the Wisconsin Department of Natural Resources.  This website will post a copy of the permit application, proposed treatment areas, treatment schedules, actual treatment maps and treatment records as they become available.

Treatments will occur between April 15th and October 31st as plant conditions and weather conditions warrant.  However, treatments for Pennywort will continue through November 15th as plant conditions and weather conditions warrant.  Please check back for the most up to date information available.  You may also visit the Sanitary District office to obtain this information.