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
OSTP Workshop Schedule and Online Enrollment
MPCA SSTS Licensing, Individual Certification, and Enforcement>>
MPCA Wastewater Operator Certification>>
Type IV or Type V Certification for Land Application of Biosolid>>
List of ISTS Designers that are Professional Engineers or Soil Scientists (.xls)
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)