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Drinking Water Requirements for States and Public Water Systems

Stage 1 and Stage 2 Compliance Help for Primacy Agencies

This Stage 1 and Stage 2 guidance will help EPA regions and states with implementation of rule provisions. These documents include:

  • A summary of the rule
  • Guidance for preparing state primary enforcement authority (primacy) revision applications
  • Rule fact sheets
  • A Quick Reference Guide
  • Flowcharts illustrating rule requirements

The Stage 1 Disinfectants and Disinfection Byproducts Rule (Stage 1 DBPR) Implementation Guidance

This document provides guidance to states regarding reporting requirements of the Stage 1 DBPR using typical PWS examples:

  • PWS monitoring and reporting requirements
  • Compliance and recordkeeping calculations
  • PWS noncompliance information reporting responsibilities
  • State reporting responsibilities to EPA’s database
  • Safe Drinking Water Information System Federal (SDWIS/FED)

The Stage 2 Disinfectants and Disinfection Byproducts Rule (Stage 2 DBPR) Implementation Guidance

Appendices can be found on the Supporting Documents for Compliance Help for Primacy Agencies page.

For more information, please see the Stage 1 and Stage 2 Disinfectants and Disinfection Byproducts Rule page.  

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