U.S. Steel must pay $135,000 and establish stronger pollution controls after environmental regulators found the steelmaker’s West Mifflin facility was leaking oil into the Monongahela River.
An agreement announced Tuesday between U.S. Steel and the Pennsylvania Department of Environmental Protection requires the company to monitor wastewater from the Irvin Works with daily inspections and live-feed cameras.
U.S. Steel also has three months to complete a facility-wide investigation to identify all sources of oil and grease. From there, it gets 90 days to submit a mitigation plan to the state…