Md. Code, Local Government § 27–104

In response to a petition filed under § 27–201 of this title, the county

commissioners or a county council of a county may establish a drainage district to:

(1) locate and establish a levee, drain, or canal;

(2) construct, straighten, widen, or deepen a ditch, drain, or

watercourse; and

(3) construct levees, embankments, tidewater gates, and pumping

plants to drain and reclaim wet, swamp, or overflowed land.