PURPOSES OF DISTRICT.

A district shall be created:

(1) to purchase, own, hold, lease, and otherwise acquire sources of water supply;

(2) to build, operate, and maintain facilities for the transportation of water;

(3) to sell water to cities, to political subdivisions of this state, to water supply corporations, to private business entities, and to individuals;

(4) to purchase, own, hold, lease, and otherwise acquire equipment and mechanisms necessary for sanitary sewer and wastewater treatment;

(5) to build, operate, and maintain facilities for sanitary sewer and wastewater treatment;

(6) to transport and treat sanitary sewer and wastewater effluent of cities and political subdivisions of this state and for private business entities or individuals;

(7) to purchase, own, hold, lease, and otherwise acquire equipment and mechanisms for the drainage of storm water and floodwater; and

(8) for the purposes outlined in Section 54.012.