About/General
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CAFOs, water permits and NR 243
Compliance with Wisconsin’s agricultural standards and prohibitions is required of all cropland and livestock operations in the state, regardless of size. Reducing or preventing manure or process wastewater pollution from agricultural operations…
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CAFO and CAFO WPDES permit statistics
Wisconsin is home to an increasing number of Concentrated Animal Feeding Operations (CAFOs). The Department of Natural Resources is pleased to offer you easy access to statistics and geographical information about Wisconsin's CAFOs and the…
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Publications and resources for CAFOs and other agriculture operations
There are many resources for farmers and other agricultural operators that provide information and guidance about farming and the environment. In addition to the Department of Natural Resources, resources are available from other Wisconsin state…
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First-time CAFO WPDES permit applications
If your operation has 1,000 animal units (AU), your operation is a Concentrated Animal Feeding Operation (CAFO) and you must obtain a Wisconsin Pollutant Discharge Elimination Permit (WPDES) from the Department of Natural Resources.
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Concentrated animal feeding operations WPDES permits
What is an “animal unit”? “Animal units” (AU) measure equivalencies between animal types as established by s. NR 243.05, Wis. Adm. Code [exit DNR] and the CAFO WPDES permit program. For example, 1,000 beef cattle, 715 milking cows or 200,000…
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Laboratory certification & registration program
The Wisconsin Department of Natural Resources (DNR) Laboratory Certification Program was created in 1986 to help ensure that laboratories submit reliable and consistent data to the department's various environmental programs. The program currently…
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Laboratory Certification Standards Review Council
The Laboratory Certification Standards Review Council is created under s. 15.107 (12), Wis. Stats. and generally meets quarterly each calendar year.Next meetingDate:Tuesday, November 12, 2024Time:9:00 a.m. to end of agendaLocation:In-person Option
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PFAS certification
The Wisconsin Department of Natural Resources is offering certification for PFAS in drinking water (potable water), aqueous (non-potable water), and non-aqueous matrices.Labs that currently hold WI DNR PFAS certification can be found here: WI PFAS…
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Background
This is an overview of the city of Waukesha diversion application and review process. Flow chart for next steps on review of Waukesha application --> 2010 - Application and review The city of Waukesha submitted an application for use of Lake…
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Waukesha Water Diversion EIS
Subscribe to updates about the Great Lakes Compact and Waukesha diversion. In 2019, the DNR completed an environmental impact statement (EIS) on the City of Waukesha's proposed diversion of water from Lake Michigan with return flow via the Root…