Data and Resources

• EPA Enforcement and Compliance History Online (ECHO)HTML

  ECHO data focuses on compliance- and enforcement-related information for...

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• Water Pollution SearchHTML

  The Water Pollutant Loading Tool (Loading Tool) is a web-based tool that...

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• Water Pollution State StatisticsHTML

  The State Statistics aggregate data from the Water Pollution Search to...

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• NPDES Monitoring Data DownloadHTML

  The NPDES Monitoring Data Download provides an easy-to-read file for all...

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• Data Dictionary for "ECHO Exporter"CSV

  Descriptions of data elements in ECHO Exporter file.

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