External Services
- Webpage
Operator certification program
About the program The program is responsible for ensuring that various types of professional operators have adequate training to perform the necessary tasks at their facilities or businesses. Review certification and licensing requirements by…
- Webpage
Waterworks operator certification
Municipal waterworks operators work at community water systems that are owned by, or serve, a city, town, village, county or other municipality. Also included in this definition are county or state-owned public institutions for congregate care or…
- Webpage
Landfill operator certification
Chapter NR 524, Wisconsin Administrative Code was created as authorized by ss. 289.06, 289.42, and 227.11 (2), Wis. Stats., which contain the requirements for the department to develop a program of certification for persons participating in, or…
- Webpage
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…
- Webpage
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.
- Webpage
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…
- Webpage
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…
- Webpage
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…
- Webpage
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…
- Webpage
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…