---
title: "Kevin P. Duffy, Title 5 System Inspector SI #14983 | Title 5 Roster"
description: "Kevin P. Duffy is a MassDEP-approved Title 5 System Inspector (SI #14983) based in Winchester, MA. Approval expires December 1, 2027 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/kevin-p-duffy-si14983/
---

# Kevin P. Duffy, Title 5 System Inspector (SI #14983)

Kevin P. Duffy is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #14983
* **Approval expires:** December 1, 2027
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Listed under own name
* **Based in:** Winchester, MA
* **County:** Middlesex County

Source: https://neiwpcc.org/wp-content/uploads/2026/10/SI-Instate-10.2.2026.pdf (retrieved 2026-10-12)