Md. Code, Local Government § 26–506

(a) At the request of the board of managers, the county commissioners or

county council shall appoint a board of viewers to determine if the original

determination as to which lands have benefited from the improvements has changed.

(b) The board of viewers appointed under this section shall have the same

qualifications, rights, powers, privileges, and duties as the original board of viewers.

(c) (1) The board of viewers shall report its findings to the county

commissioners or county council.

(2) The county commissioners or county council shall consider the

report in the same manner as the original report, and the report shall be subject to a

public hearing and the right to judicial review as provided under § 26–513 of this

subtitle.

(d) Any revision in the original determination as to which lands benefit

from the drainage project shall become the basis for all future assessments for paying

for the drainage project, including related expenses such as damages and the

maintenance of the drainage project.

(e) Notwithstanding the requirements of this section, the board of

managers, at any time after the creation of a drainage association, may determine

which land in the association is classified as woodland, cropland, commercial,

industrial, or residential.