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 Safe Drinking Water Act data, Toxics Release Inventory data, National Emissions Inventory data, and Water Quality Data (read more about new features).