35 Pa. Stat. § 6021.1304
A violation of this act or of any order or regulation adopted by the department or of permits issued by the department shall constitute a public nuisance. The department shall have the authority to order any person causing a public nuisance to abate the public nuisance. In addition, the department or any Commonwealth agency which undertakes to abate a public nuisance may recover the costs of abatement in an action in equity brought before any court of competent jurisdiction. Whenever such nuisance shall be maintained or continued contrary to this act or such orders, regulations or permits the same may be abatable in the manner provided by this act. Any person who causes such public nuisance shall be liable for the cost of abatement.
35 P.S. § 6021.1304