---
title: "William G. Holt, Title 5 System Inspector SI #832 | Title 5 Roster"
description: "William G. Holt is a MassDEP-approved Title 5 System Inspector (SI #832) based in Merrimac, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/william-g-holt-si832/
---

# William G. Holt, Title 5 System Inspector (SI #832)

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

* **SI number:** #832
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Professional Land Services LC
* **Based in:** Merrimac, MA
* **County:** Essex County

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