EPA Enforcement and Compliance History Online: Clean Water Act Dischargers Data Set

Published by U.S. Environmental Protection Agency | U.S. Environmental Protection Agency | Metadata Last Checked: July 13, 2025 | Last Modified: 2016-07-06

The Enforcement and Compliance History Online (ECHO) data sets have been compiled for access to larger sets of national data to ensure that ECHO meets your data retrieval needs: facility data from the Integrated Compliance Information System for Clean Water Act permitted dischargers, under the National Pollutant Discharge Elimination System (NPDES).

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Complete Metadata

bureauCode	[ "020:00" ]
dataQuality	true
describedBy	https://echo.epa.gov/help/reports/dfr-data-dictionary
describedByType	text/html
identifier	e2dda3be-4523-11e6-beb8-9e71128cae77
landingPage	https://echo.epa.gov/
language	[ "en-US" ]
programCode	[ "020:034" ]
references	[ "https://echo.epa.gov/tools/data-downloads/icis-npdes-download-summary" ]
spatial	USA
theme	[ "environment" ]