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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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Watershed Overview

As Delavan Lake is a drainage lake, everything that takes place in the Delavan Lake Watershed has either a direct or an indirect effect on our lake environment and water quality.  The surface area of Delavan Lake is approximately 2,000 acres.  The watershed is about 26,000 acres.

Delavan Lake Watershed

Delavan Lake Watershed