---
title: "Brooks D. Billingham, Title 5 System Inspector SI #2925 | Title 5 Roster"
description: "Brooks D. Billingham is a MassDEP-approved Title 5 System Inspector (SI #2925) based in Edgartown, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/brooks-d-billingham-si2925/
---

# Brooks D. Billingham, Title 5 System Inspector (SI #2925)

Brooks D. Billingham is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #2925
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** B.D. Billingham & Associates
* **Based in:** Edgartown, MA
* **County:** Dukes County

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