Water wells within the proposed subdivision to be abandoned shall be sealed in a manner satisfactory to the county director of environmental health and in compliance with the applicable ordinances, or shall be protected from surface and underground pollution in accordance with requirements determined by the county director of environmental health. Water wells not abandoned shall be delineated on the parcel map or final map, and measures satisfactory to the county director of environmental health shall be taken to prevent injury to persons or property by use of appropriate physical barricades and deed restrictions. (Ord. No. 1500, § 3 (part).)