A county commission shall create, establish and maintain a county board of health if no other local board of health organized under this article is established and responsible for public health in the service area. The county board of health shall be organized pursuant to and with the powers and duties prescribed by this article. The service area of any county board of health is the county territorial limits and includes every municipality within the county that does not have a municipal board of health maintaining a separate full-time municipal health department under the supervision of a municipal local health officer or that is not a member of a combined local board of health.
W. Va. Code § 16-2-3