Business
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Incinerator operator certification
Wisconsin Administrative Code ch. NR 499 was created as authorized by ss. 285.51, Wis. Stats., which establishes a program for the department to develop a program of certification for persons participating in, or responsible for, the operation of…
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Exams
Wisconsin DNR’s Operator Certification program will be hosting in-person paper exams coordinated and facilitated by Wisconsin DNR staff in 2025.Exams will be held approximately four times a month for four months of the year. All 2025 exam dates and…
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Laboratory services
The DNR receives laboratory data from many sources for environmental monitoring. This environmental monitoring is done for compliance with state and federal rules, investigating environmental problems, determining baseline quality, verifying cleanup…
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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, April 22, 2025Time: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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Water overview
Clean water is vital for public health, a healthy environment and a strong economy. The Wisconsin Department of Natural Resources along with the U.S. Environmental Protection Agency, Army Corps of Engineers, counties and local municipalities all…
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Waste overview
Small businesses must follow rules regarding waste storage, transport, recycling and disposal. For more information on Waste regulations, go to the Waste program pages.
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Small Business Assistance team
The SBEAP reaches thousands of small businesses each year through meetings, speaking engagements, workshops and publications. Review our annual flyer that summarizes the reach of SBEAP during the previous calendar year. The program currently offers…
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Sustainability
Learn about how sustainable business practices can increase your bottom line, reduce your impact on the environment, and open up opportunities for your business. The resources below can help you get started.