---
title: "Stephanie J. Sequin, Title 5 System Inspector SI #1395 | Title 5 Roster"
description: "Stephanie J. Sequin is a MassDEP-approved Title 5 System Inspector (SI #1395) based in Orleans, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/stephanie-j-sequin-si1395/
---

# Stephanie J. Sequin, Title 5 System Inspector (SI #1395)

Stephanie J. Sequin is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #1395
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Ryder & Wilcox, Inc.
* **Based in:** Orleans, MA
* **County:** Barnstable County

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