25 Pa. Code § 1021.115
The Board may upon reasonable notice and at reasonable times inspect any real estate including a body of water, industrial plant, building or other premises when the Board is of the opinion that a viewing would have probative value in a matter in hearing or pending before the Board.
The provisions of this 1021.115 adopted June 28, 2002, effective June 29, 2002, 32 Pa.B. 3085.