John Madeiros, Title 5 System Inspector (SI #15153)
John Madeiros is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026 (SI #15153), based in Gardner, MA. Approval on that list runs to May 1, 2029.
| SI number | #15153 |
|---|---|
| Approval expires | May 1, 2029 |
| Approved by | Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC |
| Business listing | Listed under own name |
| Based in | Gardner, MA |
| County | Worcester 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.