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About/General

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    Getting a Wisconsin DNR customer ID number

    Your DNR customer ID number is a fast and safe way to access your account without revealing personal information every time you make a purchase or request services from the Wisconsin DNR or its agents. It allows you to purchase your fishing and…

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    Rain gardens: a beautiful way to reduce runoff pollution!

    Storm water pond DNR Photo - Pete Wood -->

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    Whose Pond is it Anyway?

    A quick reference guide on maintaining your community's storm water pond and where to get more information.

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    Municipal storm water permits

    More than two hundred municipalities in Wisconsin that include cities, villages, towns and counties within urbanized areas are required to have Municipal Separate Storm Sewer System (MS4) permits under NR 216, Wis. Adm. Code [exit DNR]. Use the…

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    Storm water and related links

    The links below connect to additional information about storm water management and other relevant topics.

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    What is Storm Water Runoff?

    Storm water runoff is rain and melting snow that flows off building rooftops, driveways, lawns, streets, parking lots, construction sites, and industrial storage yards. Developed areas are covered by buildings and pavement, which do not allow water…

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    Salt and storm water

    Wisconsin winters cause us to rely heavily on salting our roads, parking lots and sidewalks. But high salt use causes Wisconsin’s lakes, streams and drinking water to suffer. The growing salt problem threatens our fish and other aquatic life, and…

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    Storm water runoff regulation

    Congress amended the federal Clean Water Act in 1987 to control storm water pollution. In 1990, federal regulations required owners of storm water pollution sources, including many industries, municipalities and construction sites, to have National…

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    Why is Storm Water Runoff a Problem?

    Storm Water Runoff is Not Clean Water Storm water runoff carries pollutants that can seriously harm our waters. These types of pollutants are commonly found in storm water runoff.

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