Skip to content

Water Quality

Water quality tests are performed periodically upon completion of new construction. Please review the annual Water Quality Report 2022 published by the City of Merced. Archived reports are also available from the City.

City of Merced Water Quality Report 2022

Procedures for Disinfection of Water Lines

EPA Drinking Water Website

California Water Board Website

Drinking Water Contaminants (EPA)
List of contaminants & their MCLs

Water Public Health Goals (PHGs) (State of California Office of Environmental Health Hazard Assessment)
Water PHGs


CDC Guidance on COVID-19 and Water Transmission