Inspection & Backflow Prevention

The Zanesville-Muskingum County Health Department provides registration of all plumbing contractors and their employees, and inspections of all commercial and residential plumbing installations. Staff also conducts plan reviews and inspections for all medical gas installations. The Plumbing Inspectors are certified with the State of Ohio Department of Commerce and maintain those certifications by attending the required certification classes annually.

Plumbing Inspectors

Email Robert Lewis, Lead Certified Plumbing Inspector, or call 740-454-9741 extension 275.
Email Dave Baker, Certified Plumbing Inspector, or call 740-454-9741 extension 228.


Inspector Areas

City of Zanesville, Muskingum County, and commercial installations only in the City of Coshocton and Coshocton County.


Residential Permits

Residential Permit Application

Public Water Connection Application

Commercial Permits

Food Service Plan Review Must Be Done First!

A Food Service Plan Review must be done first by the Health Department having jurisdiction before plumbing plans will be reviewed and approved. After a plumbing permit has been purchased, a copy will be sent by fax to the Health Department having jurisdiction.

Commercial Permit Application

Medical Gas Permits

Medical Gas Permit Application


Plumbing Registration

ZMCHD requires registration for all contractors installing plumbing. To apply to register as a plumber in Muskingum County, please contact one of the plumbing inspectors by email or phone listed at the top of the page.

Plumbing Registration Application

Registered Master Plumbers

Backflow Prevention
City of Zanesville commercial water customers must have a backflow prevention device installed and tested by January 31, 2014.
ZMCHD works to identify backflow devices in our jurisdiction and to ensure they are tested annually.

Backflow Test Report
For new installation only.

Certified Backflow Testers

City of Zanesville Commercial Backflow

Lead-Free Certification

Reduction of Lead in Drinking Water Act effective January 4, 2014.

How to Identify Lead Free Certification Marks

Lead in Drinking Water

Shed the Lead for Utilities

Ohio Plumbing Code 2011

Program Fees: click HERE