Tennessee Drinking Water regulations & environmental compliance analysis
Tennessee Drinking Water: What you need to know
Governing Law and Regulations
Tennessee Safe Drinking Water Act, Tennessee Code Annotated (TCA) 68-221-701 to 68-221-720
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See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Tennessee has been granted primacy by the U.S. Environmental Protection Agency (EPA) to administer the drinking water protection requirements under the federal Safe Drinking Water Act (SDWA). The state generally follows the federal rules under the SDWA but has some stricter requirements. For example, the state's maximum contaminant level (MCL) for arsenic (0.01 milligrams per liter (mg/L)) is more stringent than the federal standard of 0.05 mg/L. In addition, the state has an MCL of 0.1 mg/L for nickel, and requires compliance with secondary MCLs. See the national section DRINKING WATER for more information on the federal requirements.
• Administration and enforcement. TDEC's Division ...