Current through Register Vol. 54, No. 25, June 22, 2024
Section 87.93 - Casing and sealing of drilled holes(a) Each exploration hole, other drill or borehole, well or other exposed underground opening (except for holes solely drilled and used for blasting) shall be cased, sealed or otherwise managed as approved by the Department in order to: (1) Prevent acid or other toxic drainage from entering groundwaters or surface waters.(2) Minimize disturbance to the prevailing hydrologic balance.(3) Ensure the safety of people, property, livestock, fish and wildlife and machinery in the permit and adjacent area.(4) Prevent groundwater and surface water from entering underground mine workings.(b) If these openings are uncovered or exposed by surface mining activities within the permit area, they shall be permanently closed unless approved for water monitoring, or otherwise managed in a manner approved by the Department.(c) Use of a drilled hole, borehole or monitoring well as a water well shall meet the provisions of § 87.117 (relating to hydrologic balance: surface water monitoring).(d) Gas and oil wells shall be sealed in accordance with the Oil and Gas Act (58 P. S. §§ 601.101-601.605).(e) A solid barrier of undisturbed earth, 125 feet (38.1 meters) in radius shall be maintained around all oil and gas wells, except in the case of one of the following: (1) The well is sealed in accordance with subsection (d).(2) The Department approves, in writing, a lesser distance, if: (i) Access to the well is provided at all times.(ii) The integrity of the well is maintained.(iii) The measures included in the permit to minimize damage, destruction or disruption of services under § 87.173(b) (relating to support facilities and utility installations) are implemented.The provisions of this § 87.93 adopted December 19, 1980, 10 Pa.B. 4789, effective 7/31/1982, 12 Pa.B. 2382; amended July 30, 1982, 12 Pa.B. 2473, effective 7/31/1982, 12 Pa.B. 2382; amended December 15, 1995, effective 12/16/1995, 25 Pa.B. 5821; amended May 8, 1998, effective 5/9/1998, 28 Pa.B. 2227.The provisions of this § 87.93 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).
This section cited in 25 Pa. Code § 87.68 (relating to reclamation information); and 25 Pa. Code § 86.134 (relating to coal exploration performance and design standards).