Welcome to the Environmental Health Web site, provided by the Merced County Community and Economic Development Department's Division of Environmental Health. This Web site provides information about environmental health services, laws, and related news, as well as communication tools and other features.
FREE 2023 Merced County Environmental Compliance Training Courses
CDFA Inedible Food Rendering Guide
FDA Order Pertaining to Partially Hydrogenated Oils (PHOs) Effective June 18, 2018
Onsite Wastewater Treatment Unit (OWTS) Fact Sheet and Ordinance
- Regulation of Onsite Wastewater Treatment Systems Fact Sheet
- Regulation of Onsite Wastewater Treatment Systems Merced County Code 9.54
Office Closure Information
If you have an Environmental Health emergency and we are closed, please call the CALFIRE-Mariposa Dispatch Office at (209) 966-3621.