National Lakes Assessment 2012 Results
EPA is releasing the results of the second National Lakes Assessment (NLA). The NLA 2012 reports on the condition of lakes and reservoirs in the conterminous United States.
An official website of the United States government.
This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »
EPA is releasing the results of the second National Lakes Assessment (NLA). The NLA 2012 reports on the condition of lakes and reservoirs in the conterminous United States.