There may be created in the counties of this State water districts which shall be bodies corporate and politic of perpetual succession. It shall be the purpose and function of any district created under the provisions of this article to acquire, construct and operate a waterworks system, utilizing therefor water from available sources, by purchase or otherwise, at such convenient points as the district shall select, to provide a flow of water through pipes for domestic, commercial or industrial users who can be conveniently and economically served within or without the service area as may be created. To this end the district shall perform the functions prescribed by this article, and shall be vested with the powers herein granted and all other powers that may be necessary or incidental in carrying out the functions herein prescribed and exercising the powers herein granted. The water mains, distribution facilities, tanks, their several component parts, and all apparatus, equipment and property incident thereto or used or useful in the operation thereof and all additions, improvements, extensions and enlargements to any of them shall be referred to in this article as the system.