In this chapter:
(1) “Commission” means the Public Utility Commission of Texas.
(2) “Critical facility” means a central office that contains:
(A) a switching unit for a telecommunications system that provides service to the general public; and
(B) equipment and operating arrangements necessary for terminating and interconnecting:
(i) customer lines and trunks; or
(ii) trunks.
(3) “Impervious lot coverage regulation” means an ordinance, regulation, rule, or other enactment by a county, municipality, or other authority that limits the development of real property based on the amount of impervious lot coverage to be constructed. The term does not include a flood control regulation.
(4) “Regulating authority” means a county, municipality, or other political subdivision of this state that has adopted an impervious lot coverage regulation or a sedimentation, retention, or erosion regulation by ordinance, order, resolution, rule, or other enactment.
(5) “Sedimentation, retention, or erosion regulation” means an ordinance, regulation, rule, or other enactment by a county, municipality, or other authority that limits or regulates the development of real property based on the development’s effect on water quality resulting from sedimentation, retention, or erosion. The term does not include a:
(A) flood control regulation; or
(B) requirement for silt fences, vegetative cover, or other similar requirement.
(6) “Telecommunications utility” has the meaning assigned by § 51.002, Utilities Code.