A. 
In general. A wastewater collection, treatment, or disposal system or extension thereof serving two or more residential housing or condominium units, buildings or premises, commercial businesses, rentals or leasehold units, industrial buildings, vessels or pleasure craft in the County may not be constructed by any private owner without the prior approval of the Director.
B. 
County construction.
(1) 
If application for the construction or extension of any wastewater system or part thereof is made, and the County determines that the construction or extension is inexpedient or impracticable at that time, owing to the remoteness from its general system or other considerations, subject to Subsection B(2) of this section, the applicant may enter into a contract or agreement with the County to build and operate the system.
(2) 
The County may only enter a contract or agreement under Subsection B(1) of this section if the County has revised or amended the County Master Water and Sewage Plan.
(3) 
The system shall be constructed only under whatever plans and specifications as have been submitted to and approved by the Director, and maintenance and operation of the system shall be under the general control of the County.