---
title: "Charles G. Johnson, Title 5 System Inspector SI #4763 | Title 5 Roster"
description: "Charles G. Johnson is a MassDEP-approved Title 5 System Inspector (SI #4763) based in Amesbury, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/charles-g-johnson-si4763/
---

# Charles G. Johnson, Title 5 System Inspector (SI #4763)

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

* **SI number:** #4763
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** C. G. Johnson Engineering
* **Based in:** Amesbury, MA
* **County:** Essex County

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