Pennsylvania Code (Last Updated: April 5, 2016) |
Title 25. ENVIRONMENTAL PROTECTION |
PART I. Department of Environmental Protection |
Subpart C. Protection of Natural Resources |
Article I. Land Resources |
Chapter 87. Surface Mining of Coal |
SubChapter E. SURFACE COAL MINES: MINIMUM ENVIRONMENTAL PROTECTION PERFORMANCE STANDARDS |
Section 87.107. Hydrologic balance: treatment facilities
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(a) At a minimum, facilities and measures for treating discharges from disturbed areas shall be designed, constructed and maintained to treat the runoff from a 10-year, 24-hour precipitation event and any groundwater contribution.
(b) Facilities and measures for treating any discharges shall be based on good engineering design and shall include automatic neutralization processes. The Department may approve a manual neutralization system if the Department finds that:
(1) Small and infrequent treatment is needed to meet effluent limitations.
(2) Timely and consistent treatment is ensured.
(c) The design, construction and maintenance of a treatment facility shall not relieve an operator of his responsibility for complying with effluent standards as provided for in § 87.102 (relating to hydrologic balance: effluent standards).
The provisions of this § 87.107 adopted December 19, 1980, 10 Pa.B. 4789, effective July 31, 1982, 12 Pa.B. 2382; amended July 30, 1982, 12 Pa.B. 2473, effective July 31, 1982, 12 Pa.B. 2382.
Notation
This section cited in 25 Pa. Code § 89.173 (relating to performance standards).