Laboratory Certification Branch

NC Wastewater/Groundwater Laboratory Certification

The North Carolina Wastewater/Groundwater Laboratory Certification (NC WW/GW LC) program is a branch of the Water Sciences Section, and serves as a vital component in the effort to ensure the quality of analytical data used for regulatory purposes by a diversity of programs within the Department of Environmental Quality (DEQ). Various Divisions within DEQ rely on the services of the NC WW/GW LC program to support a multitude of scientific, regulatory and administrative decisions.

The NC WW/GW LC program operates pursuant to authority contained in G.S. 143-215.3(a)(1) and 143-215.3(a)(10). The Director or their delegate, is authorized to issue Certifications, reject applications for Certification, renew Certification, issue Recertification, issue Decertification, and issue reciprocity Certification. It is a fee-supported program managed by the Division of Water Resources (DWR), Water Sciences Section (WSS). The rule governing laboratory certification is North Carolina Administrative Code, 15A NCAC 2H .0800.

The program certifies approximately 700 environmental laboratories in North Carolina and throughout the United States under the following categories:

  • Municipal
  • Industrial
  • Commercial
  • Other
  • Field
  • Field Commercial

The State Laboratory will maintain a current list of certified laboratories.

Efforts to improve the quality of monitoring data rank among the most important functions of the NC WW/GW LC staff. In addition to certification, staff also provide technical support and training to environmental laboratory personnel to assist in improvement of laboratory operations, quality systems and understanding of the framework of regulatory requirements which govern laboratory operations.

Initial Application Procedures

Information regarding initial application to the program can be found at the following links:

Field Laboratory Certification

Field laboratory certification applies to laboratories, its agents or employees seeking to analyze samples for field parameters only. These parameters include Total Residual Chlorine, Conductivity, Dissolved Oxygen, pH, Settleable Residue, Temperature, Turbidity, Salinity, Sulfite, Free Available Chlorine and VAR Options 5, 6 & 12. Field commercial certification applies to a laboratory, its agents, or employees seeking to analyze field parameters only for others for a fee.

Non-field Laboratory Certification

Non-field laboratory certification applies to Municipal, Industrial, Commercial and Other laboratories, its agents or employees seeking to analyze parameters beyond the scope of field parameters. Commercial certification applies to a laboratory, its agents or employees seeking to analyze parameters, beyond the scope of field parameters, for others for a fee.

Certified Laboratories

Lists of certified laboratories may be found at the following link:

Certified Laboratory Listings


The NC WW/GW LC program is providing the information on this web site as a public service. All information on this site is intended to be accurate, complete and timely; however, the NC WW/GW LC program does not guarantee the accuracy of this information. While the program strives to ensure the accuracy of the material on this web site, discrepancies may sometimes exist between printed and electronic information. The program cannot insure the accuracy or vouch for the safety or privacy of any linked sites nor does it assume any responsibility for the content found on those sites.

If you see something that should be corrected or have any questions about the content of the site, contact the site administrator; or (919) 733-3908 x259.


Employee Resources

Employee Information Intranet Portal Link

Employee Travel Portal Link

Vehicle Booking Calendar