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

Jeffrey Collingwood, Title 5 System Inspector (SI #4029)

Jeffrey Collingwood is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026 (SI #4029), based in Sheffield, MA. Approval on that list runs to June 30, 2028.

SI number#4029
Approval expiresJune 30, 2028
Approved byMassachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
Business listingListed under own name
Based inSheffield, MA
CountyBerkshire 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.