Approved Mass. Title 5 System Inspectors and Soil Evaluators are listed below.

The listings are PDF format and sorted by in-state, out-of-state, and last name. The lists are current as of May 17, 2024, and will be periodically updated.

Soil Evaluators (SEs)

System Inspectors (SIs)

TIP: Search a PDF listing by clicking on the “Ctrl” and “F” keys simultaneously on your keyboard. A search toolbox will pop-up that allows for text searching (for example, search for a particular last name, or SE/SI approval number).

For inquiries about these listings, contact NEIWPCC’s Wastewater and Onsite Programs Division at