
Certified laboratories analyze drinking water samples for the presence of specific contaminants to help public water systems demonstrate that their water meets health based standards. Ohio EPA's laboratory certification program ensures laboratories are able to perform accurate testing using specific methods which have been approved by U.S. EPA.
Currently Certified/Accepted Laboratories can be found here.
Questions? Contact a member of the Laboratory Certification Section
Email: DWLabCert@epa.ohio.gov