---
title: "N. Douglas Schneider, Title 5 System Inspector SI #619 | Title 5 Roster"
description: "N. Douglas Schneider is a MassDEP-approved Title 5 System Inspector (SI #619) based in Mattapoisett, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/n-douglas-schneider-si619/
---

# N. Douglas Schneider, Title 5 System Inspector (SI #619)

N. Douglas Schneider is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #619
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Listed under own name
* **Based in:** Mattapoisett, MA
* **County:** Plymouth County

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