Metals
Zinc
What it is
A naturally occurring metal, also released from galvanized pipes and industrial sources.
Your body
Zinc is an essential nutrient. EPA sets only a secondary (taste) standard for it in drinking water.
Your home
High zinc can give water a metallic taste and may point to corrosion of galvanized plumbing.
Federal standard: Secondary standard 5 ppm (EPA, non-enforceable)
Treatment options that can reduce it
Research & sources (2)
Maryland water systems that reported zinc
- 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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