EA
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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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Forms
Note: Some web browsers do not open PDF files on their own. If you experience trouble opening or filling out a PDF form, visit the DNR PDF help for instructions on how to successfully open PDF forms.
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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 2026.Exams will be held approximately three times a month, every other month. All 2026 exam dates and…
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LDES parameter codes help
The DNR Parameter Excel spreadsheet contains a complete list of DNR parameters and their codes. You can filter and search within the Excel spreadsheet to help you quickly navigate to the parameter of interest. These parameter codes are needed to…
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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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Lab data transmittal
The department realizes that facilities and laboratories do not all have the same capability in providing electronic records. Therefore, there are a number of options for electronic submittal.Getting started with data uploadingWAMS is used for…
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Frequently asked questions
Common questions related to creating the data files to upload to LDES.What will we do if there is no unique well number or public water supply number given?One of these identifiers needs to be included on any sample that is taken at an entry point…
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Laboratory Certification Standards Review Council
The Laboratory Certification Standards Review Council is created under s. 15.107 (12), Wis. Stats.Next meetingDate:Tuesday, January 27, 2026Time:9:00 a.m. to end of agendaLocation:In-person OptionWisconsin State Laboratory of Hygiene
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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…