ADDITIONAL POWERS AND DUTIES.

(a) The district may:

(1) make, purchase, construct, lease, or otherwise acquire property, works, facilities, existing improvements, or improvements to be made, constructed, or acquired that are:

(A) inside or outside the boundaries of the district; and

(B) necessary to carry out the powers granted by this chapter or general law; or

(2) enter into a contract with a person on terms the board considers desirable, fair, and advantageous for:

(A) the purchase or sale of water;

(B) the transportation, treatment, and disposal of the domestic, industrial, or communal wastes of the district or others;

(C) the continuing and orderly development of district land and property through the purchase, construction, or installation of facilities, works, or improvements that the district is otherwise authorized to do or perform so that, to the greatest extent reasonably possible, considering sound engineering and economic practices, all of the lands and property may ultimately receive the services of the facilities, works, or improvements; and

(D) the performance of any of the powers granted by this chapter or general law.

(b) A contract under Subsection (a)(2) may not have a duration of more than 40 years.