Pennsylvania Statutes Title 52 P.S. Mines and Mining § 690-701. Establishment

A safety zone is established beneath and adjacent to every stream, river and natural or artificial body of water in this Commonwealth that is sufficiently large to constitute a hazard to mining in the opinion and discretion of the department. In the case of a stream or river, the safety zone shall extend horizontally 200 feet from the high-water mark of each bank. In the case of any other body of water sufficiently large to, in the department's discretion, constitute a hazard to mining, the safety zone shall extend horizontally 200 feet from the known perimeter. Each safety zone shall extend downward to the limit of the workable beds.