2018 Spring was 9th wettest in history

From one of the driest months of March ever, to the second snowiest April on record, and the second rainiest May in Madison history, meteorological spring 2018 was an complete roller coaster.


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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. Rock Koshkonong Lake District Board Meeting

      October 11 @ 6:00 pm

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