Check current water levels

See current water level data for the Rock River and Lake Koshkonong provided by USGS

The Rock Koshkonong Lake District mission is to protect, preserve and improve the natural resources of Lake Koshkonong and the Rock River for an equal balance of wildlife, habitat and recreation.

About The Rock-Koshkonong Lake District

The Rock-Koshkonong Lake District is the largest lake district in the State of Wisconsin, spanning three counties – Rock, Dane and Jefferson.

Formed in 1999 to better manage the resources of the Rock River and Lake Koshkonong, the Rock-Koshkonong Lake District boundary starts at the Indianford Dam on the Rock River, includes Lake Koshkonong and continues north to the Jefferson city limits.

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  • Upcoming Events

    1. Board of Commissioners Meeting

      October 21 @ 6:00 pm - 8:00 pm
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Lake Koshkonong Water Information from NOAA and the National Weather Service

River stage and inflow forecasts typically include 24 hours of precipitation from April through September and 48 hours of precipitation from October through March.

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