(A) An earthen retaining wall of adequate size for the terrain shall be constructed on the low side of all well sites on sloping or unleveled ground.
(B) The top of the retaining wall shall be at least as high as the top of the Christmas tree or other wellhead connections of any completed well or at least as high as the ground at the point where surface casing is set in the well when drilling.
(Prior Code, § 5-706) (Am. Ord. 1426, passed 8-16-88; Am. Ord. 1974, passed 8-6-19)