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

Laws & Regulations

  • EPA Launches the Biggest Deregulatory Action in U.S. History

    As part of Administrator Zeldin’s Powering the Great American Comeback initiative, the agency is undertaking 31 historic deregulatory actions.

    Read the press release.

Laws

law library
  • Clean Air Act
  • Clean Water Act
  • TSCA
  • RCRA
  • Superfund (CERCLA)
  • FIFRA
  • ESA

Find more law summaries.

Regulated Topics

A grassy field with snow capped mountains in the background
  • Asbestos
  • Certifications (608, etc.)
  • Mold
  • Drinking Water
  • Lead
  • Waste
  • Per- and Polyfluoroalkyl Substances (PFAS)

Find more topics.

Regulated Sectors

A construction site with workers in protective gear
  • Agriculture
  • Automotive
  • Construction
  • Electric Utilities
  • Oil & Gas Extraction
  • Transportation

Find more sectors.

Regulations

Environmental rules are codified under Title 40 of the Code of Federal Regulations (40 CFR).

  • Comment on Proposed Rules
  • More about Regulations

Compliance & Enforcement

EPA helps regulated entities meet federal requirements, and holds entities legally accountable for violations.

  • About Compliance
  • EPA's Enforcement Website

Guidance & Petitions

EPA issues guidance documents to further clarify and assist in implementation of regulations.

  • Guidance
  • Petitions
[current-page:contact-us-link] to ask a question, provide feedback, or report a problem.
Last updated on June 10, 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.