(a) An owner or operator of a quarry located within a water quality protection area shall establish and maintain financial assurance for restoration in accordance with Chapter 37, Subchapter W of this title (relating to Financial Assurance for Quarries). The amount of financial assurance must be no less than the amount determined by the executive director as sufficient to meet the requirements of the Restoration Plan in §311.76(a)(8) of this title (relating to Restoration Plan).(b) An owner or operator of a quarry located between 200 feet and 1,500 feet of a water body within a water quality protection area shall establish and maintain financial assurance for reclamation in accordance with Chapter 37, Subchapter W of this title. The amount of financial assurance must be no less than the amount determined by the executive director as sufficient to meet the requirements of the Reclamation Plan in §311.78(a)(2) of this title (relating to Reclamation Plan).