Authentication
How to authenticate with the U.S. EPA Enforcement and Compliance History Online (ECHO) - Clean Water Act (CWA) Rest Services API.
API Key
API KeyThis API uses API key authentication. Include your API key in requests to authenticate.
Own U.S.? Customize your docs with AI search, analytics, and more.
How to authenticate with the U.S. EPA Enforcement and Compliance History Online (ECHO) - Clean Water Act (CWA) Rest Services API.
This API uses API key authentication. Include your API key in requests to authenticate.
Own U.S.? Customize your docs with AI search, analytics, and more.
How to authenticate with the U.S. EPA Enforcement and Compliance History Online (ECHO) - Clean Water Act (CWA) Rest Services API.
This API uses API key authentication. Include your API key in requests to authenticate.