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U.S. EPA Enforcement and Compliance History Online (ECHO) - Clean Air Act API Technical Specs & Reference

Detailed technical specifications for U.S. EPA Enforcement and Compliance History Online (ECHO) - Clean Air Act API including version 2019.10.15 data.
📅 Last updated: April 20, 2026

U.S. EPA Enforcement and Compliance History Online (ECHO) - Clean Air Act Logo

U.S. EPA Enforcement and Compliance History Online (ECHO) - Clean Air Act API Overview

Enforcement and Compliance History Online (ECHO) is a tool developed and maintained by EPA’s Office of Enforcement and Compliance Assurance for public use. ECHO provides integrated compliance and enforcement information for over 1 million regulated facilities nationwide.

Air Rest Services provides multiple service endpoints, each with specific capabilities, to search and retrieve data on facilities regulated under the Clean Air Act (CAA). The returned results reflect data drawn from EPA’s ICIS-…

Technical Specifications

AttributeDetails
Providerepa.gov
Current Version2019.10.15
FormatOpenAPI / JSON

Integration Information

Reference for version 2019.10.15.


Disclaimer: Data sourced from APIs.guru.