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Quality standards

Published: January 30, 2026

Quality standards

Quality standards

A higher standard of water

Culligan Water adheres to a superior level of quality to ensure your water is always safe, clean, and delicious. In addition to following guidelines established by the FDA and the EPA, we also utilize ozone instead of chlorine during our bottled water production. This process destroys bacteria without leaving any residual chemicals in the water or causing a bad taste or odor.

Our water quality standards:

  • Bottled water standards established by the FDA
  • Standards set by EPA regulation of tap water provided by water utilities
  • All federal and state health water regulations

Ozone

Culligan utilizes ozone instead of putting chlorine in our water. Ozone is a compound of oxygen that is bubbled through the water just before it goes into a clean and sanitized bottle. Within a few hours of being filled and capped, the ozone dissipates and converts back to the same oxygen found in the air. This process destroys bacteria and ensures Culligan water is the cleanest and highest-quality available — without having any impact on our delicious taste.