Indiana Administrative Code
Title 312 - NATURAL RESOURCES COMMISSION
Article 25 - COAL MINING AND RECLAMATION OPERATIONS
Rule 6 - Performance Standards
Section 6-85 - Underground mining; hydrologic balance; underground mine entry and access discharges
Current through March 20, 2024
Authority: IC 14-34-2-1
Affected: IC 14-34
Sec. 85.
(a) Surface entries and access to underground workings, including adits and slopes, shall be located, designed, constructed, and utilized to prevent or control gravity discharge of water from the mine.
(b) Gravity discharge of water from an underground mine, other than a drift mine subject to subsection (c), may be allowed by the director if either of the following is demonstrated:
(c) Notwithstanding anything to the contrary in subsections (a) and (b), for a drift mine first used after the implementation of this program and located in acid-producing or iron-producing coal seams, surface entries and accesses shall be located in such a manner as to prevent any gravity discharge from the mine unless another location is approved by the director.