The National Atmospheric Deposition Program has a page with several animated maps of deposition. The maps show patterns of deposition across the U.S. between 1985 and 2003.
In 2005, the New York State Health Department posted an expansive warning against eating a wide array of fish caught in the Catskills and Adirondacks. The warning came after a growing number of lakes were found to have dangerously high mercury levels.
