Before revision: Pollutants A creek filled with urban runoff after a storm Water running off impervious surfaces in urban areas tends to pick up gasoline, motor oil, heavy metals, trash and other pollutants from roadways and parking lots, as well as fertilizers and pesticides from lawns.
After revision: Pollutants Water running off impervious surfaces in urban areas tends to pick up gasoline, motor oil, heavy metals, trash and other pollutants from roadways and parking lots, as well as fertilizers and pesticides from lawns.