Drinking Water Requirements for States and Public Water Systems

Arsenic Rule Small Entity Compliance Guide for Public Water Systems

One of the Simple Tools for Effective Performance (STEP) Guide Series

This guide is designed to help public water systems (PWSs) understand and achieve compliance with the Arsenic Rule. The guide provides:

  • Sample worksheets to help PWSs organize data
  • Guidance for small systems on their selection of appropriate compliance options
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