---
title: "Richard A. Spiller, Title 5 System Inspector SI #4002 | Title 5 Roster"
description: "Richard A. Spiller is a MassDEP-approved Title 5 System Inspector (SI #4002) based in Harwich, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/richard-a-spiller-si4002/
---

# Richard A. Spiller, Title 5 System Inspector (SI #4002)

Richard A. Spiller is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #4002
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** R.A. Spiller Inc.
* **Based in:** Harwich, MA
* **County:** Barnstable County

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