External Services
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Nutrient management planning
A Concentrated Animal Feeding Operation (CAFO) Water Pollutant Discharge Elimination System (WPDES) permit requires a field-specific, phosphorus-based nutrient management plan (NMP) that outlines the amounts, timing, locations, methods and other…
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Non-manure waste and agrichemicals
Agricultural businesses create many types of non-manure waste. Non-manure waste and agrichemicals must be handled in accordance with local, state and federal regulations so they don't pollute Wisconsin's natural resources. Working with our partners…
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Manure spills response, planning and prevention
Get help immediately if runoff or aspill 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 may…
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Kinnard Farms Inc. CAFO Permit
Kinnard Farms LLC is an existing Concentrated Animal Feeding Operation in Kewaunee, WI. Kinnard Farms is owned and operated by Lee Kinnard. As of January of 2025, Kinnard Farms has 9,150 milking and dry cows (12,840 animal units) Kinnard Farms…
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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.
- Webpage
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 and the CAFO WPDES permit program. For example, 1,000 beef cattle, 715 milking cows or 200,000 chickens are each…
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Wastewater operator certification
A "certified operator" is an individual who has met the requirements of Chapter NR 114, Wisconsin Administrative Code, and has been issued a certificate by the DNR to operate one or more of the classifications of wastewater treatment plants.
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Training
Ch. NR 114, 499 and 524 Wis. Adm. Code require an operator to earn continuing education credits to maintain an active certification. These continuing education requirements are designed to help operators keep current on new requirements and…
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Small water system (OTM/NN) operator certification
Small water system operators work at an "other than municipal" (OTM) community water system or a non–transient non–community (NN) water system. OTM systems serve groups of 25 or more year-round residents; they can include mobile home parks,…
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Septage business license requirements
All septage businesses in the State of Wisconsin that service and/or dispose of septage (septic tanks, holding tanks, sanitary grease interceptors, portable restrooms, privies, etc.) shall be licensed pursuant to ch. NR 113, Wis. Adm. Code.…