The $1.3 billion project to clean up Wisconsin's Lower Fox River removed 6.5 million cubic yards of PCBs from 39 river miles.

The Toledo-Lucas County Port Authority has awarded EA Engineering, Science, and Technology, Inc., a $3 million contract to address contaminated sediment at two sites along the Lower Maumee River.

Since 1984, the U.S. Army Corps of Engineers has been dumping toxic sediment dredged from the Calumet River into the now-full containment site, which contains mercury, arsenic and polychlorinated ...