Public Drinking Water Laboratory Certification

• Rules (Including Fees) and Certification Standards

Environmental Laboratories supplying data for compliance with the Safe Drinking Water Act must be certified by the Texas Commission on Environmental Quality.

Application, Fields of Certification,
and Certified Labs

Application (PDF) (Help with PDF)

Fields of Certification (PDF) (Updated May 1, 2006)

Certified Laboratories (PDF)

For more information or paper versions of these documents, please call:

Max Phillips at 512/239-3518 or Po Chang at 512/239-4876, or e-mail us at labprgms@tceq.state.tx.us.

Our Mailing Address

Public Drinking Water Laboratory Certification Program
Texas Commission on Environmental Quality
P.O. Box 13087, MC-176
Austin, TX 78711-3087

Rules (Including Fees) and Certification Standards

• Title 30, Texas Administrative Code, Chapter 25, Subchapters A and C (for a schedule of fees, refer to §25.70)

• Manual for the Certification of Laboratories Analyzing Drinking Water, Fourth Edition, March 1997 (PDF)
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• Lab Cert Manual Errata (Fourth Edition) (PDF)

• Manual for the Certification of Laboratories Analyzing Drinking Water , Fifth Edition, January 2005

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