Utility facility
Utility facility means:
(i) Any line, facility, or system for producing, transporting, transmitting, or distributing communications, cable, television, power, electricity, light, heat, gas, oil, crude products, water, steam, waste, storm water not connected with highway drainage, or any other similar commodity, including any fire or police signal system or street lighting system, which directly or indirectly serves the public; any fixtures, equipment, or other property associated with the operation, maintenance, or repair of any such system. A utility facility may be publicly, privately, or cooperatively owned.
(ii) The term shall also mean the utility company including any substantially owned or controlled subsidiary. For the purposes of this part the term includes those utility-type facilities which are owned or leased by a Government agency for its own use, or otherwise dedicated solely to Governmental use. The term utility includes those facilities used solely by the utility which are part of its operating plant.
Source
49 CFR § 24.2
Scoping language
Definitions. Unless otherwise noted, the following terms used in this part shall be understood as defined in this section: