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National Testing Laboratories, Ltd Achieves

ISO 17025:2005 Accreditation


We provide customized water testing services to meet the unique needs of all of our customers across the country. We offer testing services specifically designed to help homeowners determine the quality of their drinking water. Whether their water comes from a private well or city water supply; our expert home water testing will help you determine if the quality of your families drinking water. Visit our Residential page for more information regarding our home water testing products and services.

We offer a variety of water testing services specifically designed for the Water Treatment Professional, Well Driller, Plumbing Professional, Home Inspector and Public Water Suppliers. Visit our Commercial page to locate testing products and services designed to meet your specific needs.

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We offer Bottled Water test packages to meet federal, state, FDA and International Bottled Water Association requirements. We maintain memberships in the Water Quality Association, Eastern Water Quality Association, International Bottled Water Association, Canadian Bottled Water Association, Northeast Bottled Water Association, National Ground Water Association, and many other national or regional associations. Members of our technical staff are contributing members of various IBWA and WQA committees.

National Testing Laboratories, Ltd. network of certified laboratories performs drinking water analysis for customers worldwide according to US EPA and standard methods. We test for compliance and informational purposes and hold certifications across the U.S. Our laboratories successfully participate in US EPA Proficiency Testing Programs.

For more information about our network of laboratories, click on ABOUT NTL.