Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Drinking Water Requirements for States and Public Water Systems

State Resources for Implementing Drinking Water Rules

Water Supply Guidance (WSG)

The WSG is a compilation of policy decisions pertaining to implementation issues under the Safe Drinking Water Act.

  • Public Water System Supervision Program WSG Manual

Drinking Water State Revolving Fund

The Drinking Water State Revolving Fund (DWSRF) program is a federal-state partnership to help ensure safe drinking water. Drinking water state revolving fund program guidance provides information to states.

Guidance documents by regulation:

Chemical contaminants

  • Arsenic rule
  • Chemical contaminant rules
  • Lead and copper rule
  • Radionuclides rule
  • PFAS rule

Microbial contaminants

  • Ground water rule
  • Stage 1 and stage 2 disinfectants/disinfection byproducts rules
  • Surface water treatment rules
  • Total coliform rule/ revised total coliform rule

Right-to-know rules

  • Consumer confidence reports
  • Public notification rule

Drinking Water Requirements for States and Public Water Systems

  • Drinking Water Rules
  • Water Supply Guidance
  • Training
  • Learn about Water Systems
  • State Resources
  • Water System Resources
Contact us About Drinking Water Requirements for States and Public Water Systems
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 8, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.