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Welcome to the EPA's Enforcement and Compliance History Online (ECHO)

• ECHO provides fast, integrated searches of EPA and state data for 800,000+ regulated facilities.
• ECHO integrates inspection, violation, and enforcement for the Clean Water Act, Clean Air Act, and hazardous waste laws.
• ECHO also includes Toxics Release Inventory data, National Emissions Inventory data, and Water Quality Data (read more about new features).

ECHO Mapping Center

Choose from a comprehensive list of mapping options.

• search for facilities,
• review state by state analytics and trends,
• or to review contextual reports and information.