Columbia Definitions ordinance (§ 27-51)

For the purpose of this division, the following words and terms shall have the meanings respectively ascribed:

Customer's water installation. All pipes, valves, stops, plumbing or contrivances owned by the customer and used in connection with, or forming a part of, the customer's installation for using water for any purpose including lines or pipes used for the purpose of connecting such installation to the department's water meter, curb stop, or water main, or other part of the distribution system as the case may be.

Distribution system. That part of the city's water and light works used to distribute water from points of treatment and storage to the customers served; including mains, valves, fittings, service lines, and other appurtenances.

Water main. The main lines or pipes, usually located in the street, and used for supplying water to a number of customers, or an entire area.

Water service line. The pipe, valves, fittings, water meter, meter box, and all other fixtures owned by the department and used to connect the customer's water installation to the water main.