Md. Code, Local Government § 25–803

(a) The board of directors shall determine the amount to be raised to

implement an approved watershed project.

(b) The board of directors shall prepare an assessment list that shows the

amount due from each landowner subject to the special assessment.

(c) The special assessments imposed on each tract of land shall be

proportional to the total assessments.

(d) The assessment list required under subsection (b) of this section shall

be:

(1) signed by the board of directors; and

(2) sent to the designated officer.

(e) (1) The designated officer shall certify the conformance of the

assessment list with this section.

(2) After receiving the certification of the assessment list, the county

commissioners, county council, or Mayor and City Council of Baltimore City shall

certify the assessment list to the county tax collector.

(f) (1) The county tax collector shall include the special assessments

imposed under this section in the next bills for county taxes.

(2) The special assessments are:

(i) due and collectible at the same time and in the same

manner as county taxes; and

(ii) subject to the same interest and penalties for late payment

and nonpayment as county taxes.

(g) If the special assessments collected under this section are insufficient to

complete the watershed project, a supplemental special assessment shall be imposed

in the same manner.