Water Rules and Guidance
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Guidance Values and Standards for Contaminants in Drinking Water
- Health-based guidance for water is a concentration of a chemical (or a mixture of chemicals) in drinking water that is likely to pose little or no health risk to humans.
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Health Risk Limits for Water
- MDH promulgates Health Risk Limits (HRLs) Rules for chemicals in groundwater used as drinking water.
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Pesticides
- MDH consults with other agencies to develop health-based standards and/or advisory levels for pesticides in groundwater.
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Pharmaceuticals
- The presence of pharmaceuticals in water has become an increasing concern to MDH because they may cause harm to humans.
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Public Drinking Water Program - Safe Drinking Water Act
- MDH administers and enforces the federal Safe Drinking Water Act (SDWA) to the nearly 10,000 public water supplies in Minnesota.
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Drinking Water and Source Water Protection Laws and Rules
- Links to laws and rules pertaining to drinking water and source water protection in Minnesota.
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Monitoring and Testing of Drinking Water
- How government agencies monitor public drinking water.
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Water and Microbial Risk
- Quantitative microbial risk assessment (QMRA) can be used to estimate the public’s risk of infection and illness from disease-causing microorganisms in the environment.
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Water Contaminants of Emerging Concern
- Contaminants of emerging concern are substances that have been released to, found in, or have the potential to enter Minnesota waters.
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Wells and Borings Laws and Rules
- Rules and statutes for wells and borings in Minnesota.