County commissioners are hereby authorized to arrange by contractual agreements with one or more existing boards of health operating full-time health departments for services for any part or parts of the county adjacent to such full-time health departments. For this purpose such county commissioners are authorized to provide funds as provided in § 34-3-22. Whenever such contracts are made, the contracting board of health is declared to be the board of health for the designated area with all the powers and duties of boards of health as set forth in this chapter.
SDCL 34-3-21