Md. Code, Local Government § 12–517

If a county road cannot be conveniently drained by drains along the road, to

make drains on the property outside the road, the governing body of a county may:

(1) contract for a right–of–way on the property as authorized under

§ 12–513 of this subtitle; or

(2) acquire the necessary property through condemnation under Title

12 of the Real Property Article.