(a) A county operating under this chapter has the powers and duties of:
(1) a county development district under Chapter 383, except for § 383.066;
(2) a road district created by a county under § 52, Article III, Texas Constitution; and
(3) a municipality or county under Chapter 380 or 381, or under § 372.003(b)(9).
(b) A county is authorized to manage an economic development project in a designated portion of the county, or to create a district and to delegate to a board the county’s powers and duties as provided by this chapter.

(c) A county may not delegate to a district the powers and duties of a road district or the power to provide water, wastewater, or drainage facilities under this section unless both the municipality and county consent by resolution.