(18) "Service area" means a contiguous area or territory which encompasses the distribution system or network of utility facilities by means of which a facility owner or operator provides utility service.

"Service area" means a geographic area defined by a municipality, county, or intergovernmental agreement in which a defined set of public facilities provide service to development within the area. Service areas shall be designated on the basis of sound planning or [...]

(6) "Service area" means the geographical area of operations of the authority and shall consist of the State of Georgia and, with the consent of the appropriate governing authorities thereof, nearby states.

"Service area" means the geographical area of operations of the authority and shall consist of the Counties of Crisp and Sumter and, with the consent of the appropriate governing authorities thereof, nearby counties, subject to the approval of the authority [...]