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

Provides information to advance the protection of drinking water (one of EPA’s strategic goals) by ensuring drinking water compliance samples are analyzed by certified or accredited laboratories.

Overview

Added

March 5, 2026

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Audience

parent

Grade range

Grade 12 (Senior)–Grade 12 (Senior)

Page kind

Article

Introduction

EPA Drinking Water Laboratory Certification

  • Regulatory Requirement: The EPA mandates that laboratories must be certified to analyze drinking water samples to ensure compliance with federal regulations.
  • Methodology Standards: Certified laboratories are required to use analytical methods that have been officially approved by the EPA.
  • Objective: These certification processes are designed to protect public drinking water quality and ensure the accuracy of compliance testing.

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