Division of Consolidated Laboratory Services


The Division of Consolidated Laboratory Services (DCLS) supports public health by certifying laboratories that demonstrate compliance with applicable regulations. The certification program for drinking water laboratories ensures that laboratories have quality systems and analytical procedures in place which support the production of accurate, reliable, and defensible test results.

Who Should Apply

The Regulation

Assessments & Compliance Assistance

On-site assessments are performed initially and on a 3-year schedule thereafter. Key quality system elements include effective corrective action, a recordkeeping system that provides historical traceability, and effective internal auditing. VELAP provides additional compliance resources in the Toolbox for Laboratories.

Proficiency Testing

Applications and Application Updates


Certified Laboratories

  • Visit the DCLS Find a Lab webpage for information on Drinking Water Laboratories in either .pdf or .xls format.



DCLS Laboratory Certification Office
600 N. 5th Street
Richmond, VA 23219
Phone: (804) 648-4480
Fax: (804) 692-0416
Email: Lab_Cert@dgs.virginia.gov