Free directory · 1,139 MassDEP-approved System InspectorsList / claim a listing

Jason O'Brien, Title 5 System Inspector (SI #14974)

Jason O'Brien is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026 (SI #14974), based in Athol, MA. Approval on that list runs to February 1, 2028.

SI number#14974
Approval expiresFebruary 1, 2028
Approved byMassachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
Business listingListed under own name
Based inAthol, MA
CountyWorcester County

Next steps

Source: NEIWPCC System Inspector list, retrieved 2026-10-12. No phone or email is published on the source list. A listing is not an endorsement.