Ontario, CA Water Quality (ZIP 91762)

PFAS, lead, and EPA-tested contaminants for ZIP 91762 in Ontario, CA.

Water delivered to 91762 comes from the same utility serving Ontario, CA. EPA UCMR5 and lead testing report at the water-system level, so the detailed results for 91762 are the results for Ontario as a whole.

See the full Ontario, CA water quality report →

Check your exact address

  1. Open the full Ontario report for PFAS levels, lead samples, and EPA violations.
  2. Enter your address at knowyourexposure.com for the most specific data we have.
  3. Choose a certified filter: an NSF/ANSI 58 reverse osmosis system removes 94-99% of PFAS, and an NSF-53 pitcher covers lead.