---
title: "Marcus Millett, Title 5 System Inspector SI #13748 | Title 5 Roster"
description: "Marcus Millett is a MassDEP-approved Title 5 System Inspector (SI #13748) based in Ashfield, MA. Approval expires June 30, 2029 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/marcus-millett-si13748/
---

# Marcus Millett, Title 5 System Inspector (SI #13748)

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

* **SI number:** #13748
* **Approval expires:** June 30, 2029
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Listed under own name
* **Based in:** Ashfield, MA
* **County:** Franklin County

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