(a) This section applies only to a municipality that:
(1) has a population of more than 220,000 and less than 275,000;
(2) is located in a county in which another municipality that has a population of more than one million is predominately located; and
(3) whose emergency medical services are administered by a fire department.
(b) By resolution of its governing body, a municipality may establish a monthly fee for the costs of emergency medical services, including salary and overtime related to medical personnel. This fee is applicable to each and every customer served by a municipal water account and may be collected in conjunction with the bill for water services.
(c) A municipality acting under this section supersedes any authority established under Chapter 286, Health and Safety Code.