Tennessee

Tennessee drinking water quality

Every public water system in Tennessee we've verified. Each report covers one calendar year and shows the utility's own measured contaminant levels against federal limits.

• Catoosa Utility District Authority (2025)
  24 contaminants measured· 2 at or above the limit
• Chattanooga (2025)
  24 contaminants measured· 2 at or above the limit
• Clarksville (2024)
  16 contaminants measured· 1 at or above the limit
• East Ridge (2025)
  24 contaminants measured· 2 at or above the limit
• Elder Mountain (2025)
  24 contaminants measured· 2 at or above the limit
• Fort Oglethorpe (2025)
  24 contaminants measured· 2 at or above the limit
• Knoxville (2024)
  24 contaminants measured
• Lookout Mountain (2025)
  24 contaminants measured· 2 at or above the limit
• Lookout Mountain, Ga (2025)
  24 contaminants measured· 2 at or above the limit
• Memphis (2024)
  12 contaminants measured
• Nashville (2023)
  57 contaminants measured· 1 at or above the limit
• Red Bank (2025)
  24 contaminants measured· 2 at or above the limit
• Rossville (2025)
  24 contaminants measured· 2 at or above the limit
• Signal Mountain (2025)
  24 contaminants measured· 2 at or above the limit
• Walker County (2025)
  24 contaminants measured· 2 at or above the limit