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Operator certification program

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NR 114, 146, 524 Update: 

The Operator Certification program is launching a new computer-based format for all Operator Certification exams. Additional information regarding the new exam format, applications and registration can be found at Operator Certification Exams.

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 selecting the appropriate link.

Operator certification lookup website

Operator certification lookup

Do you need to

  • View an operator's training history report?
  • Print a wallet card?
  • See which certifications an operator holds?

Operator certification

Madison Wastewater Treatment Plant
Madison Wastewater Treatment Plant
Photo credit: Danielle Luke, Wisconsin DNR

Business licensing

Wisconsin administrative codes

The following Wisconsin administrative codes establish and are implemented by the Operator Certification Program.