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Reports and Data - National Lakes Assessment 2017

The National Lakes Assessment (NLA) 2017 report presents results on the biological, chemical, physical and recreational condition of lakes in the United States.

National Lakes Assessment 2017 Reports and Data

National Lakes Assessment 2017 Web Report
NLA 2017 Technical Support Document (pdf) (3.15 MB)
Data from the National Aquatic Resource Surveys - download individual data files from NLA and check for updated data
National Lakes Assessment 2017 Data Files (zip) - download all data files used in developing the report (archived data)

Reports and Data - National Lakes Assessment 2017

National Aquatic Resource Surveys