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Philip A. Colosi, Title 5 System Inspector (SI #15011)

Philip A. Colosi is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026 (SI #15011), based in Middleton, MA. Approval on that list runs to April 1, 2028.

SI number#15011
Approval expiresApril 1, 2028
Approved byMassachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
Business listingListed under own name
Based inMiddleton, MA
CountyEssex County

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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.