American urban lake pollution linked traced to parking lot seal coat

According to a U.S. Geological Survey study, a black sealant sprayed on parking lots, driveways and playgrounds turns out to be the largest contributor to the rise of a toxic pollutant in urban lakes and reservoirs across America.

Scientists tested for polycyclic aromatic hydrocarbons (PAHs), a probable human carcinogen and toxin to fish, throughout urban areas. High PAH levels were found in the Upper Mystic Lake at 79 ppm.

Read the article here.

´╗┐MyRWA's Patrick Herron, Water Quality Monitoring Director, comments on pollution in the Mystic Lakes.
View the Arlington Advocate article here.