---
title: "Keith R. Manley, Title 5 System Inspector SI #2239 | Title 5 Roster"
description: "Keith R. Manley is a MassDEP-approved Title 5 System Inspector (SI #2239) based in Worthington, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/keith-r-manley-si2239/
---

# Keith R. Manley, Title 5 System Inspector (SI #2239)

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

* **SI number:** #2239
* **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:** Worthington, MA
* **County:** Hampshire County

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