A rainbow sheen from an unknown substance was visible Monday in Willis Run near Kiwanis Lake in York, and officials are trying to determine what it is and where it's coming from. Crews also are ...

State officials are investigating after a second mysterious sheen was seen on the Mississippi River in Coon Rapids earlier this week. The Minnesota Pollution Control Agency said a sheen was ...

A small oil sheen was spotted at the Port of Long Beach on Thursday. The California Department of Fish and Wildlife’s Office of Spill Prevention and Response announced the detection on ...

"The ministry and Sault Ste. Marie Public Works traced the sheen through the sewer system to a specific city block on North Street. On Feb. 18, we uncovered an underground storage tank on Canadian ...