Contaminants in Water
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A-Z List of Contaminants in Water
- Facts and guidance for contaminants in water.
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Accredited Laboratories
- Search for Accredited Laboratories, or run customized searches for specific chemical testing available.
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Bottled Water
- Questions and answers on bottled water versus tap water.
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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.
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Contaminants of Emerging Concern
- Information around the health and exposure potential of contaminants of emerging concern in drinking water.
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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.
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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.
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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.
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Home Water Treatment
- Pros and cons of different types of point-of-use devices.
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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.
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Water Testing and Data Reports
- Quality data, maps, assessments and reports.
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Waterborne Illness
- Waterborne illness is caused by contaminated recreational or drinking water.