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Industrial Storm Water Certified Operator Training/Exam and Recertification

Two people conducting an industrial storm water inspection; looking at an outdoor pumping system.
Environment, Great Lakes, and Energy

Industrial Storm Water Certified Operator Training/Exam and Recertification

All facilities that require industrial storm water permit coverage must have an Industrial Storm Water (ISW) Certified Operator who has direct supervision over the storm water treatment and/or control measures associated with the storm water discharge.  The Michigan Department of Environment, Great Lakes, and Energy (EGLE) Water Resources Division (WRD) manages the Industrial Storm Water Certification and Renewal

Training, Renewal, and Application Information

Certification Renewal - $95

The renewal form and $95 renewal fee must be submitted by August 31 for all certifications that expire this year in order to keep your certification.  Certifications may be renewed no earlier than January 1 of the year of expiration.  If you have any questions about this process, please contact Sarah Marshall at or 517-388-6679. 

Download the ISW Renewal Form

Certification Application and Exam - $30

The following self-training options to meet the requirements to obtain ISW Operator Certification.

To become certified as an Industrial Storm Water Operator, please register for an exam date.  Pass the exam with at least a 70%, and pay the $30 certification fee, and you will be issued a certification that is valid for 5 years.


  • All exams are administered via an online platform (Evaexam).
  • You will receive an email with your specific exam link on the date you select.
  • You have 24 hours to open the exam. Once you access the link, you have two (2) hours to complete the exam. 


(Registration closes for each date one week before the exam offering)

  • December 19, 2023
  • January 16, 2024
  • February 27, 2024
  • March 26, 2024
  • May 21, 2024
  • June 18, 2024
  • July 16, 2024
  • August 27, 2024
  • September 24, 2024
  • November 19, 2024
  • December 10, 2024
Register to take the Exam

Frequently Asked Questions

  • A.  Anyone who wants to obtain an Industrial Storm Water Certified Operator Certification.

  • A.  The industrial Storm Water Operator Certification fee is $30, payable to the State of Michigan.

  • A.  The industrial Storm Water Certification renewal fee is $95, payable to the State of Michigan.

  • A.  Typically, you will receive your preliminary results via email two to three weeks following the exam date, and your formal certificate and exam results will be mailed to your home address within four to six weeks. You must pay for your exam before results are issued.  Contact Alyssa Sarver at or 517-881-1371 if you have questions about your certificate or exam results.

  • A.  Yes, a letter will be sent with the Certified Operator ID and a new expiration date.

  • A.  The Certified Operator Training Manual can be found on the Industrial Storm Water website at