Missouri

Missouri drinking water quality

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

• Columbia (2024)
  22 contaminants measured· 1 at or above the limit
• Independence (2024)
  16 contaminants measured· 1 at or above the limit
• Kansas City (2024)
  9 contaminants measured
• Lees Summit (2025)
  22 contaminants measured· 1 at or above the limit
• St Louis (2024)
  19 contaminants measured