Commercial and cluster systems

Intermediate and advanced design information

All Type IV and V SSTS and any SSTS with a design flow of >2500 gpd must be designed and inspected by MPCA Certified Advanced Designers and Advanced Inspectors. In order to become an Advanced Designer or Inspector, you must be fully certified as either a Basic SSTS Designer or Basic SSTS Inspector, which means you have successfully completed coursework, examination and experience requirements.

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US EPA Class V underground injection well program

Class V wells program
Large capacity septic systems
Class V UIC inventory form, available on EPA website

Small community wastewater issues

When a community faces wastewater treatment issues, a successful outcome is often more dependent on the process the community follows to address the issue than it is on the wastewater treatment technologies available to them. Our resources can help your community work through a thoughtful process involving the entire community and can result in a viable solution.

+ MPCA information for advanced designers and inspectors

Product registration information

Design guidance documents

+ US EPA Class V underground injection well program

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MPCA information for advanced designers and inspectors

US EPA Class V underground injection well program