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  2. National Aquatic Resource Surveys

Timeline of National Aquatic Resource Surveys Field Seasons

The National Aquatic Resource Surveys (NARS) have a general schedule with set field seasons. However, the release of any report may vary due to laboratory data return and data analysis.

Field Year Survey Note
2007 National Lakes Assessment  
2008 - 2009 National Rivers & Streams Assessment  
2010 National Coastal Condition Assessment  
2011 National Wetland Condition Assessment  
2012 National Lakes Assessment  
2013 - 2014 National Rivers & Streams Assessment  
2015 National Coastal Condition Assessment  
2016 National Wetland Condition Assessment  
2017 National Lakes Assessment  
2018-2019 National Rivers & Streams Assessment  
2020 National Coastal Condition Assessment Some sampling delayed into 2021 and 2022
2021 National Wetland Condition Assessment Some sampling delayed into 2022
2022 National Lakes Assessment  
2023-2024 National Rivers and Streams Assessment  
2025 National Coastal Condition Assessment  
2026 National Wetland Condition Assessment  
2027 National Lakes Assessment  

National Aquatic Resource Surveys

  • Background
    • Indicators
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    • Map of Sampled Sites
  • NARS Data
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    • 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 September 19, 2024
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