---
title: "David A. Poirier, Title 5 System Inspector SI #875 | Title 5 Roster"
description: "David A. Poirier is a MassDEP-approved Title 5 System Inspector (SI #875) based in Brimfield, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/david-a-poirier-si875/
---

# David A. Poirier, Title 5 System Inspector (SI #875)

David A. Poirier is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #875
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** RJ Poirer Contractors
* **Based in:** Brimfield, MA
* **County:** Hampden County

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