---
title: "Derek Boudreau, Title 5 System Inspector SI #14926 | Title 5 Roster"
description: "Derek Boudreau is a MassDEP-approved Title 5 System Inspector (SI #14926) based in Templeton, MA. Approval expires July 1, 2027 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/derek-boudreau-si14926/
---

# Derek Boudreau, Title 5 System Inspector (SI #14926)

Derek Boudreau is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #14926
* **Approval expires:** July 1, 2027
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Rotti and Son LLC
* **Based in:** Templeton, MA
* **County:** Worcester County

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