In the event that a Wellhead Protection Overlay Zone lies partially or wholly outside the municipal corporate limits, extraterritorial jurisdiction shall be imposed as authorized by NMSA 1978, § 3-27-3. Intergovernmental arrangements with another governmental entity, within whose jurisdiction the Wellhead Protection Overlay Zone lies, may be executed through a joint powers agreement, as authorized by NMSA 1978, §§ 11-1-1 to 11-1-7, for the purposes of coordinated planning and administration of this section.