(a) The authority may:
(1) purchase, construct, or otherwise acquire and accomplish by any practical means a waterworks system, sanitary sewer system, storm sewer system, or drainage facility or any part of those systems or facilities;
(2) make any necessary purchase, construction, improvement, extension, addition, or repair to a system or facility described by Subdivision (1);
(3) purchase or acquire, operate, and maintain any land, right-of-way, easement, site, equipment, building, plant, structure, or facility necessary to a system or facility described by Subdivision (1); and
(4) sell water and other services at rates fixed by the authority.
(b) The authority may exercise any of the rights or powers granted by this chapter inside or outside the authority's boundaries.