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National Wetland Condition Assessment 2021 Results

EPA is releasing the results of the second National Wetland Condition Assessment (NWCA). The NWCA 2021 reports on the condition of wetlands in the conterminous United States.

Key Findings

Purple Flower

High-level summary of findings from the 2021 survey.

Report and Data

Water Lilys

Report, technical support document, and data files.

Ecoregional Results

Information on the NWCA indicators for the five ecological regions.

NWCA Data Dashboard

Screenshot of Dashboard

View results and download customized charts with the NWCA dashboard.

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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