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NC DEQ »   About »   Divisions »   Water Resources »   Water Sciences »   Chemistry Laboratory »   Laboratory Certification Branch »   Certified Laboratory Listings

Certified Laboratory Listings

Lists of certified laboratories may be found at the following links. These lists are updated approximately every 6 months which means they are not updated in real time and the certification status of a laboratory may change and not be reflected in these lists. For questions about the certification status of a laboratory or about the scope of accreditation, contact this office at (919) 733-3908 or contact the laboratory directly.

Laboratory Type List Last Updated
Commercial In-state 8/2021
Commercial Out-of-state 8/2021
Commercial Certified for 624.1  8/2021
Commercial Certified for EPH Analysis 8/2021
Commercial Certified for VPH Analysis 8/2021
Commercial  Certified for Hg by EPA 1631 8/2021
Commercial Certified for Animal Waste Nutrient Management Analysis 8/2021
Commercial Certified for E. coli Analysis 8/2021
Commercial Mobile Commercial Laboratories (none at this time) 8/2021
Municipal and Industrial Operated by an Industry, Municipality or Other Local Government 8/2021
Field Commercial Certified to Analyze only *Field Parameters for a Fee 8/2021
Field Municipal and Field Industrial Certified to Analyze only *Field Parameters 8/2021

*Field parameters include: pH, DO, Total Residual Chlorine, Free Available Chlorine, Temperature, Specific Conductance, Settleable Residue, Turbidity, Salinity, Sulfite and VAR Options 5, 6 and 12. Note: Commercial, municipal, industrial and other laboratories may also be certified to analyze field parameters in addition to the non-field parameters under their non-field certification.

If you have any questions about the content of the site, contact the site administrator; or (919) 733- 3908 x259. 

Laboratory Certification Branch

  • Field Lab Certification
  • Laboratory Certification Contact Information
  • Field Lab Rules and Regulations
  • Field Lab Application and Forms
  • Field Lab Procedures and Technical Assistance
  • Field Lab Proficiency Testing Requirements
  • Non-Field Lab Certification
  • Non-Field Rules and Regulations
  • Non-Field Application and Forms
  • Non-Field Guidance and Technical Assistance
  • Policies
  • Checklists
  • Non-Field Proficiency Testing Requirements
  • Approved Methods Info
  • Certified Laboratory Listings
  • Training and Outreach
  • 2019 Revised Rules
  • Related Links
  • Laboratory Certification ePayments - Test
  • Laboratory Certification ePayments Receipts
  • Laboratory Certification ePayments Receipts - Test
  • Laboratory Certification ePayments

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https://deq.nc.gov/about/divisions/water-resources/water-resources-science-and-data/water-sciences-home-page/chemistry-laboratory/laboratory-certification-branch/certified-laboratory-listings