(a) The district is a public body corporate and politic, exercising public and essential governmental functions and having all the powers necessary or convenient to carry out the purposes and provisions of this subchapter, including the capacity to sue or be sued.
(b) To fund the district, the district may receive federal, state, county, or municipal funds and private funds and may spend those funds for the purpose of this subchapter. The board shall determine the method and sources of funding for the district.