(a) Except as otherwise provided by subsection (b) of this Code section, all facility owners or operators operating or maintaining utility facilities within the state shall participate as members in and cooperate with the UPC. No duplicative center shall be established. The activities of the UPC shall be funded by all facility owners or operators.
(b) Persons who install water and sewer facilities or who own such facilities until those facilities are accepted by a local governing authority or other entity are not required to participate as members of the UPC and shall not be considered facility owners or operators. All such persons shall install and maintain permanent markers, as defined in Code Section 25-9-3, identifying all water and sewer facilities at the time of the facility installation. Notwithstanding the above, all owners or operators of water and sewer facilities that provide service from such facilities are considered facility owners or operators and shall be members of the UPC.
(c) The UPC shall maintain a list of the name, address, and telephone number of the office, department, or other source from or through which information respecting the location of utility facilities of its participating facility owners or operators may be obtained during business hours on business days.