All those who install, design, inspect or perform maintenance on onsite systems in Minnesota must work under a business license.
There is an extensive education and experience requirement to acquire and maintain professional certification:
Questions and Answers about SSTS Certification
Please feel free to contact University of Minnesota or MPCA staff with questions or comments you have about the SSTS Program.
Call or e-mail the appropriate contact from the
OSTP and MPCA Contact List (.pdf)