HomeEpa Public Search Tools for all States

See below for EPA public search tools and different states' online data sources to gain information on specific facilities with NPDES permits.
  • Enforcement and Compliance History Online (ECHO)– A public access website to data stored in EPA’s compliance and enforcement data systems, including ICIS-NPDES for facilities regulated under the CWA NPDES program. ECHO allows users to find and download information on permit data, inspections, violations, enforcement actions, and penalties.

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