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  2. National Aquatic Resource Surveys

Outreach Materials from the National Aquatic Resource Surveys

Learn More about NARS Assessments

  • National Lakes Assessment
  • National Rivers and Streams Assessment
  • National Coastal Condition Assessment
  • National Wetland Condition Assessment

This page presents recent materials from the results of the National Aquatic Resource Surveys. Materials include links to reports, factsheets and infographics, webcasts from the Watershed Academy, and videos of scientists discussing their work on NARS.

On this page:
  • Articles
  • Reports and Dashboards 
  • Factsheets and Infographics
  • Webcasts
  • Videos

Articles

  • 50 Years of EPA Lake Monitoring Programs (pdf) (860.33 KB)
  • Stream surveyors work now for the future

Reports and Dashboards

  • National Wetland Condition Assessment 2021 Report and NWCA Data Dashboard- new
  • National Lakes Assessment 2022 Report and NLA Data Dashboard
  • National Rivers and Streams 2018-2019 Report and NRSA Data Dashboard
  • National Lakes Assessment 2017 Report 
  • National Wetlands Condition Assessment 2016 Report
  • National Coastal Condition Assessment 2015 Report and NCCA Data Dashboard
  • National Rivers and Streams Assessment 2013-2014 Report
  • National Lakes Assessment 2012 Report
  • National Wetland Condition Assessment 2011 Report
  • National Coastal Condition Assessment 2010 Report
  • National Rivers and Streams Assessment 2008-2009 Report

Factsheets and Infographics

Click to view and download the NLA 2012 Factsheet
Click to view and download the NWCA 2011 Factsheet
Click to view and download the NCCA 2010 Factsheet
Click to view and download the NRSA 2008-2009 Factsheet
National Lakes Assessment 2012 Factsheet National Wetland Condition Assessment 2011 Factsheet National Coastal Condition Assessment 2010 Factsheet National Rivers and Streams Assessment 2008-2009 Factsheet
 
 
Also, view Infographics from the National Aquatic Resource Surveys:
  • NWCA 2016 Results Infographic (png)
  • NLA 2017 Results Infographic (pdf) (73.45 KB)
  • NRSA 2018-19 Results Infographic (pdf) (94.88 KB)
  • NWCA 2021 Results Infographic (pdf) (76.73 KB)
  • NLA 2022 Results Infographic (pdf) (81.5 KB)
  • When Good Algae Go Bad (pdf) (1.32 MB)

Storymaps

  • Swamps, Marshes, Bogs and Frogs: The importance of monitoring the health of our wetlands

Webcasts

  • The Condition of U.S. Lakes and Streams: Findings from the National Aquatic Resource Surveys, March 23, 2017
  • EPA Releases the First Ever National Wetland Condition Assessment, June 16, 2016
  • EPA Releases Scientific Report Showing U.S. Coastal Waters a Mix of Good and Fair Health, Feb. 25, 2016
  • Draft National Rivers and Streams Assessment 2008-2009: A Collaborative Survey, April 3, 2013
  • National Lakes Assessment: Reporting on the Condition of the Nation's Lakes, January 5, 2010

Videos

Steve Paulsen, Research Ecologist with the National Aquatic Resource Surveys

Mary Kentula, Research Ecologist with the National Wetland Condition Assessment

National Aquatic Resource Surveys

  • Background
    • Indicators
    • Manuals
    • Map of Sampled Sites
  • NARS Data
    • Journal Articles
    • Applying the Data
    • LakeCat
    • StreamCat
  • National Coastal Condition Assessment
  • National Lakes Assessment
  • National Rivers and Streams Assessment
  • National Wetland Condition Assessment
  • Outreach Materials
Contact Us about National Aquatic Resource Surveys
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on December 19, 2024
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