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Feature Dental Mercury Reduction Program Items
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Dental practices that place or remove amalgam fillings (which can contain from 40% to 50% mercury) are a controllable source of mercury impacting the City’s sewer systems. Consequently, all dental offices that are connected to the City and County of San Francisco’s sanitary sewer system are required to reduce their discharge of dental amalgam wastes to the lowest practicable level. Dental offices must file an application for a wastewater discharge permit with the City. This permit requires offices to implement mercury reduction Best Management Practices (BMPs) and to install an approved amalgam separator device.
