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  2. Healthy Communities, Environment and Workplaces
  3. Environments and Your Health
  4. Water and Health
contaminants in water

Contaminants in Water

  • A-Z List of Contaminants in Water

  • Facts and guidance for contaminants in water.
  • Accredited Laboratories

  • Search for Accredited Laboratories, or run customized searches for specific chemical testing available.
  • Bottled Water

  • Questions and answers on bottled water versus tap water.
  • Comparison of State Water Guidance and Federal Water Standards

  • A list of MDH health-based water guidance values for drinking water, EPA standards and EPA health advisories.
  • Contaminants of Emerging Concern

  • Information around the health and exposure potential of contaminants of emerging concern in drinking water.
  • EPA Safe Drinking Water Act Standards: Microbiological, Radiological, and Inorganic Contaminants

  • List of the radiological and inorganic contaminants that are tested for in public water systems.
  • EPA Drinking Water Requirements for States and Public Water Systems: Chemical Contaminant Rules

  • List of the organic chemicals—which include pesticides, industrial chemicals, and disinfection by-products—that are tested for in public water systems.
  • Guidance Values and Standards for Contaminants in Drinking Water

  • MDH’s recommendations for levels of contaminants in drinking water that are likely to pose little or no health risk.
  • Home Water Treatment

  • Pros and cons of different types of point-of-use devices.
  • Water Quality/Well Testing/Well Disinfection

  • Information about maintaining your private well and testing that should be performed on your well water, as well as disinfection information.
  • Water Testing and Data Reports

  • Quality data, maps, assessments and reports.
  • Waterborne Illness

  • Waterborne illness is caused by contaminated recreational or drinking water.

Spotlight

  • Triclosan and Drinking Water (PDF)

Related MDH Sites

  • Water and Health
  • Environmental Health Division
  • Chemicals and Hazards
  • Risk Assessment
  • Environmental Laboratory
Tags
  • environment
Last Updated: 09/22/2022

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