National Testing Laboratories, Ltd. (NTL)

National Testing Laboratories, Ltd. (NTL) 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. NTL performs water analysis for customers worldwide according to USEPA and Standard Methods. We test for compliance and informational purposes and hold certifications across the United States. The achievement of ISO 17025:2005 accreditation is a confirmation of our commitment to providing the highest quality services and support to all of our customers.