---
title: "Keith G. Lyman, Title 5 System Inspector SI #14872 | Title 5 Roster"
description: "Keith G. Lyman is a MassDEP-approved Title 5 System Inspector (SI #14872) based in Orange, MA. Approval expires May 1, 2027 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/keith-g-lyman-si14872/
---

# Keith G. Lyman, Title 5 System Inspector (SI #14872)

Keith G. Lyman is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #14872
* **Approval expires:** May 1, 2027
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** GS Lyman Excavating
* **Based in:** Orange, MA
* **County:** Franklin County

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