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  2. National Aquatic Resource Surveys

National Coastal Condition Assessment 2015 Results

The NCCA 2015 reports on the quality of estuarine and Great Lakes nearshore waters in the conterminous United States.

Key Findings

View of the Atlantic Coastal waters from Acadia National Park

Key findings from the National Coastal Condition Assessment 2015.

Regional Results

Map of the continental United States showing the west coat, gulf coast, southeast, and northeast coastal areas outlined as well as the Great Lake  coastal areas.

View NCCA results for the estuarine and Great Lake regions.

Reports and Data

Map of sampling sites along U.S. sites and a partial NCCA benthic data screenshot

View the public report, technical support document, and data files.

NCCA Data Dashboard

Thumbnail of NRSA dashboard

View results and download customized charts with the NCCA 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 March 17, 2025
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