Data Catalog

• Federal

  National Rivers and Streams Assessment 2018-2019 Date files for report "National Rivers and Streams Assessment: The Third Collaborative Survey"

  U.S. Environmental Protection Agency —

  The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide...

  • HTML
  • ZIP
• Federal

  National Rivers and Streams Assessment 2013/2014 Data files for Report "National Rivers and Streams Assessment 2013-2014: A Collaborative Survey"

  U.S. Environmental Protection Agency —

  The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide...

  • HTML
  • ZIP
• Federal

  EPA Long-Term Monitoring of Acidified Surface Waters

  U.S. Environmental Protection Agency —

  This dataset compiled surface water chemistry data from 1980 to 2024. Data were collected in four regions in the eastern United States (Virginia streams, New York...

  • XLS
  • XLS
  • XLS
  • XLS
• Federal

  National Rivers and Streams Assessment 2008/2009 Data file for Report "National Rivers and Streams Assessment 2008-2009: A Collaborative Survey

  U.S. Environmental Protection Agency —

  The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide...

  • HTML
  • ZIP

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