For the purpose of this regulation the following definitions are used:
(a) "Transmission line" means any pipeline conveying raw or treated water from a well field or remote storage facility to a treatment plant and/or distribution storage tank.
(b) "Distribution line", including individual customer connections and distribution mains, means those lines conveying water to customers and fire protection systems from a common source.
045-11 Wyo. Code R. § 11-2