The governing body of a Type A general-law municipality may cooperate with the commissioner's court of the county in which the municipality is located in making improvements considered necessary by those entities to:

1. (1) improve the public health and promote efficient sanitary regulations; and
2. (2) arrange for the construction of and payment for those improvements.

Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.