---
title: "Owen Santos, Title 5 System Inspector SI #15146 | Title 5 Roster"
description: "Owen Santos is a MassDEP-approved Title 5 System Inspector (SI #15146) based in Hanover, MA. Approval expires February 1, 2029 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/owen-santos-si15146/
---

# Owen Santos, Title 5 System Inspector (SI #15146)

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

* **SI number:** #15146
* **Approval expires:** February 1, 2029
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Merrill Engineers and Land Surveyors
* **Based in:** Hanover, MA
* **County:** Plymouth County

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