---
title: "Keith P. Proulx, Title 5 System Inspector SI #15062 | Title 5 Roster"
description: "Keith P. Proulx is a MassDEP-approved Title 5 System Inspector (SI #15062) based in Lakeville, MA. Approval expires August 1, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/keith-p-proulx-si15062/
---

# Keith P. Proulx, Title 5 System Inspector (SI #15062)

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

* **SI number:** #15062
* **Approval expires:** August 1, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Listed under own name
* **Based in:** Lakeville, MA
* **County:** Plymouth County

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