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Water Quality

Water quality tests are performed periodically and upon new construction completion. Please review the annual Water Quality Report 2019 published by the City of Merced. Archived reports are also available from the City.

City of Merced Water Quality Report 2019

Procedures for Disinfection of Water Lines

EPA Drinking Water Website

Drinking Water Contaminants (EPA)
List of contaminents & 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