---
title: "Steven M. Loughlin, Title 5 System Inspector SI #310 | Title 5 Roster"
description: "Steven M. Loughlin is a MassDEP-approved Title 5 System Inspector (SI #310) based in Lowell, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/steven-m-loughlin-si310/
---

# Steven M. Loughlin, Title 5 System Inspector (SI #310)

Steven M. Loughlin is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #310
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Advanced Wastewater Operations, LLC
* **Based in:** Lowell, MA
* **County:** Middlesex County

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