CSG Holdings Inc. of Columbia, N.H. faces a possible fine of up to $532,500 from the U.S. EPA for allowing polluted stormwater and process water from its mining facility to flow into nearby waters, the agency said.
The company discharged process waste waters and stormwater from the facility without proper permits, according to the allegations. The alleged violations were discovered by the EPA in 2010. The discharges contained total suspended solids at levels that exceeded permit benchmarks, the EPA said. The company sold the facility in question in 2011, which is authorized to discharge...
