25 Pa. Code § 88.83
(a) An exploration hole, other drill or borehole, well or other exposed opening (except for holes solely drilled and used for blasting), shall be sealed, backfilled or otherwise managed, as approved by the Department, in order to do the following:
(e) A solid barrier of undisturbed earth, 125 feet (38.1 meters) in radius shall be maintained around all oil and gas wells, unless:
(2) The Department approves in writing a lesser distance if:
The provisions of this § 88.83 amended under the Surface Mining Conservation and Reclamation Act (52 P. S. § § 1396.1—1396.19a); The Clean Streams Law (35 P. S. § § 691.1—691.1001); and section 1920-A of The Administrative Code of 1929 (71 P. S. § 510-20).
The provisions of this § 88.83 adopted December 19, 1980, 10 Pa.B. 4789, effective July 31, 1982, 12 Pa.B. 2382; amended March 30, 1984, 14 Pa.B. 1143, effective August 10, 1985, 15 Pa.B. 2872; amended December 15, 1995, effective December 16, 1995, 25 Pa.B. 5821; amended May 8, 1998, effective May 9, 1998, 28 Pa.B. 2227. Immediately preceding text appears at serial pages (207041) to (207042).