W. Va. Code R. § 38-4-9

Current through Register Vol. XLI, No. 37, September 13, 2024
Section 38-4-9 - Breakthrough Potential Evaluation
9.1. Where there has been underground mining in the vicinity of the dam and impoundment storage areas, a breakthrough potential evaluation of the impoundment into underground workings shall be required.
9.2. No application for certificate of approval for a dam will be approved unless the applicant has provided a design to prevent a breakthrough to above and below drainage underground mine workings. All barriers and mine seals shall be designed and constructed to withstand maximum hydraulic head of water that is likely to be developed as a result of breakthrough. All auger holes shall be stowed or plugged to prevent breakthrough to adjoining underground workings.

W. Va. Code R. § 38-4-9