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OTIS has been replaced by ECHO Gov, now part of the modernized ECHO site at Please update your bookmarks, and see our ECHO Modernization Information page to learn about the new ECHO. To gain access to government-only features, formerly part of OTIS, you may log in with your EPA portal ID, or register for an account.

Search Community

Use EPA's Enforcement and Compliance History Online website to search for facilities in your community to assess their compliance with environmental regulations. You can also investigate pollution sources, examine and create enforcement-related maps, or explore your state's performance. Learn more about ECHO

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  • Facilities Near Me (2015)

Developer Tools

  • ECHO Map Services (2015)


Advanced Tools

ECHO provides the following tools to assist you in performing advanced analyses.

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Developer Tools

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