---
title: "Casey Mellin, Title 5 System Inspector SI #13383 | Title 5 Roster"
description: "Casey Mellin is a MassDEP-approved Title 5 System Inspector (SI #13383) based in Nashua, NH. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/casey-mellin-si13383/
---

# Casey Mellin, Title 5 System Inspector (SI #13383)

Casey Mellin is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #13383
* **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:** Nashua, NH
* **County:** Out-of-state inspectors

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