Regulations
- Webpage
Technical & financial assistance resources for agricultural operations
Agricultural operations may research technical assistance and explore potential financial assistance for various issues, including livestock siting and nonpoint source (NPS) runoff management through these resources.
- Webpage
Wisconsin DNR settles lawsuit with Dairy Business Association
On June 8, 2016, the DNR issued a public notice seeking comment on proposed draft guidance, “Feed Storage Area Runoff Controls for CAFOs.” We are writing to notify you that pursuant to a settlement agreement between the DNR and the Dairy Business…
- Webpage
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…
- Webpage
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…
- Webpage
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…
- Webpage
Plans & specifications for reviewable structures & systems
At least 90 days before beginning construction, existing or proposed Concentrated Animal Feeding Operations (CAFO) must submit plans and specifications for reviewable construction projects to the DNR for approval. DNR approval of these reviewable…
- Webpage
WPDES permit application materials, instructions, reporting & compliance documents
View required application materials if you are a proposed Concentrated Animal Feeding Operation (CAFO) applying for the first time for a WPDES permit or you are an existing CAFO applying for a renewal of your WPDES permit.
- Webpage
Nutrient management planning
A Concentrated Animal Feeding Operation (CAFO) Water Pollutant Discharge Elimination System (WPDES) permit requires a field-specific, phosphorus-based [PDF] nutrient management plan (NMP) that outlines the amounts, timing, locations, methods and…
- Webpage
Manure spills response, planning and prevention
Get help immediately if runoff or a spill occurs! Report manure spills immediately! Call our 24-hour spill emergency hotline: 1-800-943-0003. All agricultural or livestock operations, regardless of size, must report manure spills or runoff that…
- Webpage
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.