Volatile organic compounds (VOCs)
Also reported as: chloromethane, bromomethane
What it is
Carbon-based chemicals that evaporate easily, from fuels, solvents, industrial processes, and some disinfection reactions. Several are regulated; others are monitored as unregulated.
Your body
Health effects vary by chemical. EPA lists the regulated VOCs and their health effects in its national drinking water regulations table.
Your home
VOCs generally do not affect plumbing. Some can be inhaled during showering.
Federal standard: Varies by chemical (EPA)
Treatment options that can reduce it
Research & sources (1)
Maryland water systems that reported volatile organic compounds
- City of FrederickFrederick · 2025 data
The information on this site is for general education only and is not medical advice. Talk with a qualified health professional about health concerns. Water treatment equipment performance depends on the system, its certification, and proper maintenance.
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