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Certification of Laboratories that Analyze Drinking Water Samples to Ensure Compliance with Regulations

EPA protects drinking water by requiring that laboratories become certified to analyze drinking water samples and that they use analytical methods approved by EPA. Learn about drinking water laboratory certification.

About Drinking Water Laboratory Certification

Learn about laboratory certification

Certification, Monitoring and Analysis Requirements

Certification Process and Training

Certification Programs and Certified Laboratories

Contact information for certification programs and certified laboratories