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. The most recent report is the National Lakes Assessment 2022.
National Lakes Assessment 2017 Reports and Data
- NLA 2017 Archive Report_508 Compliant (pdf) (pdf version created from original web report)
- NLA 2017 Technical Support Document (pdf)
- 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)