EPAFinal Rule

Withdrawal of the National Primary Drinking Water Regulations: Analytical Methods for Regulated Drinking Water Contaminants; Direct Final Rule [W-97-04-I-A-3]

EnvironmentHealthcare

Summary

The EPA is removing old federal rules about how water testing laboratories must measure harmful substances in drinking water. This update simplifies testing requirements so that water systems can use newer, more accurate methods to check if your tap water is safe to drink.

Key Points

  • 1The EPA is eliminating outdated analytical methods that water testing labs were required to use
  • 2Water systems can now use newer, more advanced testing techniques that are often more accurate and efficient
  • 3This change affects public water utilities and private laboratories that test drinking water for contaminants
  • 4The update allows for better detection of harmful chemicals and bacteria in tap water supplies
  • 5Water companies and testing facilities must update their procedures but have flexibility in choosing approved modern methods

Key Dates

Published

May 29, 2025

This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.

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