North Carolina

North Carolina drinking water quality

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

• Cary (2025)
  18 contaminants measured
• Charlotte (2024)
  20 contaminants measured· 4 at or above the limit
• Durham (2024)
  7 contaminants measured
• Town of Garner (2024)
  16 contaminants measured· 1 at or above the limit
• High Point (2024)
  51 contaminants measured· 5 at or above the limit
• Town of Knightdale (2024)
  16 contaminants measured· 1 at or above the limit
• Raleigh (2024)
  16 contaminants measured· 1 at or above the limit
• Town of Rolesville (2024)
  16 contaminants measured· 1 at or above the limit
• Town of Wake Forest (2024)
  16 contaminants measured· 1 at or above the limit
• Town of Wendell (2024)
  16 contaminants measured· 1 at or above the limit
• Wilmington (2024)
  38 contaminants measured· 1 at or above the limit
• Winston Salem (2024)
  18 contaminants measured
• Town of Zebulon (2024)
  16 contaminants measured· 1 at or above the limit