(a) The district may impose a tax for maintenance and operation purposes, including for:
(1) planning, constructing, acquiring, maintaining, repairing, and operating all necessary land, plants, works, facilities, improvements, appliances, and equipment of the district; and
(2) paying costs of services, engineering and legal fees, and organization and administrative expenses.
(b) The district may not impose a maintenance and operation tax unless the tax is approved by the governing body of the city and a majority of the voters voting at an election held for that purpose. If the tax is approved, the board may impose the tax in the same manner as other district ad valorem taxes.
(c) A maintenance and operation tax election may be held at the same time and in conjunction with any other district election. The election may be called by a separate election order or as part of any other election order.
(d) The proposition in a maintenance and operation tax election may be for a specific maximum rate.