SSTS Professionals

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.

Training, Certification, and Licensing

OSTP Workshop Schedule and Online Enrollment

MPCA SSTS Licensing, Individual Certification, and Enforcement

• MPCA SSTS Licensed Business Search Tool
• MPCA SSTS Certified Individual Search Tool

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)

Information and Resources for Advanced Designers and Inspectors

Site Assessment Opportunities

Please check back later for opportunities.

Soils

How to Run a Percolation Test

Soil Dispersal Article

Procedure for Determining Plastic Limit

Groundwater Mounding and Phosphorous Evaluations Slideshow (.pps)

Related Links

Commercial and Cluster Systems

Technical Septic System Options

Operation, Maintenance, and Management