• Fee calculator
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• Plumber license and credential types
• Exams
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• Backflow prevention training
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• Restricted plumber
• Frequently asked questions

• Requirements
• Licensure requirement
• Plan review agreements
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• Individual sewage treatment review
• Contact plumbing plan review
• Fee calculator
• Frequently asked questions

Subsurface sewage treatment systems plan review

The Department of Labor and Industry does not provide review services for subsurface sewage treatment systems (SSTS). For more information view the following SSTS plan review resources:

Minnesota Pollution Control Agency - Regulation of SSTS

Minnesota Extension Service - Training