Lake Killarney in Federal Way, Washington is one of several lakes that has arsenic-contaminated sediments from the former American Smelting and Refining Company (ASARCO) copper smelter located about 15 miles away near Tacoma, Washington. After a surprising discovery that some shallow lakes, such as Lake Killarney, have unique characteristics that facilitate the movement of arsenic from lakebed sediment up into the food web, a team of University of Washington researchers is working to further investigate the movement of water and…
UW researchers investigate surprising arsenic discoveries in King County lake









