Environmental Protection
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Remediation & Redevelopment (RR) Program services and fees
Submit Electronically Customers are strongly encouraged to submit requests for services/assistance via the online Submittal Portal. For more information on how to submit electronically, please visit the Submittal page. Please contact your regional…
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Environmental site assessments (ESAs)
The information on this page is intended to provide an overview of environmental site assessments (ESAs) for property owners, purchasers, lenders, local government officials and others in Wisconsin. It does not describe technical requirements or…
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Dry cleaning contamination
The dry cleaning industry began long before there were rules to manage chemical wastes. This includes liquid wastes (wastewater) and solid wastes (sludges and used filters), both of which are contaminated with the chemicals used for the dry cleaning…
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BRRTS on the Web disclaimers
The following disclaimers relate to data in the Bureau for Remediation and Redevelopment Tracking System (BRRTS) on the web (BOTW) online database. Data completeness BRRTS on the Web provides an effective resource for locating information…
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Remediation & Redevelopment (RR) Program staff contacts
The DNR's Remediation and Redevelopment (RR) Program oversees the investigation and cleanup of environmental contamination and the redevelopment of contaminated properties. Our staff provides a comprehensive, streamlined program that consolidates…
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An introduction to cleaning up contamination
When you encounter contaminated soil or groundwater, the first step is to report the contamination to the DNR in accordance with the Spills Law, ch. 292, Wis. Stats. Property owners or the person who caused the discharge are responsible for…
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Understanding Brownfields and the Benefits of Redevelopment
A brownfield is a property where expansion, redevelopment or reuse is complicated by real or potential contamination. Brownfields vary in size, location, age and past use; a brownfield can be anything from a 500-acre former automobile assembly plant…
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Upper Wisconsin Basin
The Headwaters Area includes portions of the Upper Wisconsin, Upper Green Bay and Wolf River basins. Headwaters are the upper reaches of a basin or watershed and thus contain smaller streams and rivers tributary to larger waterbodies. This area…
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Upper Rock River Basin
The Upper Rock River basin lies in south-central Wisconsin's eastern ridges. At the north end of the basin, the east, south and west branches of the Rock River come together in Horicon Marsh. From the city of Horicon, on the south edge of the marsh…
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Upper Green Bay Basin
The Upper Green Bay basin consists of 18 watersheds in northeastern Wisconsin, including all of Florence, Marinette and Oconto counties and a major portion of Forest County and smaller regions of Brown, Langlade, Menominee, Outagamie, Shawano and…