National Lakes Assessment 2012 Results
The NLA 2012 reported on the condition of lakes and reservoirs in the conterminous United States from data collected in 2012. The most recent lakes assessment is the NLA 2022 report.
High-level summary of important findings from the 2012 survey as well as information on key stressors.
The National Lakes Assessment 2012 public and technical reports as well as related regional highlight studies.