(a) A person who is authorized to operate a saltwater disposal pit under Section 91.453 of this code shall close the pit within 45 days after being ordered to close the pit by the commission; provided that the commission may grant an extension or extensions for a reasonable period or periods of time on a showing of good cause or upon request for an extension by the surface owner or owners of the land upon which the pit is situated.
(b) A saltwater disposal pit must be closed in compliance with this subchapter and rules, standards, and specifications adopted by the commission.
(c) In closing a saltwater disposal pit, the person authorized to operate the pit shall remove all salt water and wastes and shall backfill and compact in compliance with commission-approved procedures.