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List of contaminants that are currently not subject to any proposed drinking water regulations by the U.S. Environmental Protection Agency, but are known or anticipated to occur in water supplies.

  • Ammonia
  • Boron
  • Calcium
  • Nickel
  • Pesticides
  • PFOA & PFOS
  • Prescription Drugs
  • Algae
  • Silica
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Unregulated Contaminants

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