Louisiana Administrative Code
Title 43 - NATURAL RESOURCES
Part XV - Office of Conservation-Surface Mining
Subpart 5 - Permanent Program Performance Standards
Chapter 53 - Permanent Program Performance Standards: Surface Mining Activities
Section XV-5307 - Casing and Sealing of Drilled Holes: Permanent

A. When no longer needed for monitoring or other use approved by the office upon a finding of no adverse environmental or health and safety effect, or unless approved for transfer as a water well under §5341, each exploration hole, other drill or borehole, well or other exposed underground opening shall be capped, sealed, backfilled or otherwise properly managed, as required by the office, under §5303 and consistent with 30 CFR 75.1711. Permanent closure measures shall be designed to prevent access to the mine workings by people, livestock, fish and wildlife, and machinery, and to keep acid or other toxic drainage from entering the ground water or surface water.