Md. Code, Pub. Util. § 25-209

(a) A water or sewer connection benefit charge imposed by the Commission under this section is in addition to a benefit charge imposed under any other section of this subtitle. (b) (1) (i) When a benefit charge or portion of a benefit charge for a water main or sewer connection is made payable on an installment basis as provided in § 25–304(b) of this title, the deferred amount and interest shall be paid by an annual benefit charge in an amount and for the period of years necessary to amortize the account. (ii) Property subject to a benefit charge imposed under this section is subject to the benefit charge until payments have amortized the charge, including accrued interest. (2) The Commission shall allow a property owner subject to a benefit charge for the deferred portion of a connection benefit charge to extinguish the account by paying the principal and interest due up to the time of payment. (c) If a federal, State, county, or other governmental unit or municipality acquires property for public use that is subject to a benefit charge under this section, the benefit charge shall be paid and extinguished as provided in § 25–212 of this subtitle. (d) A benefit charge imposed under this section shall be collected as provided in § 25–214 of this subtitle. (e) To implement this section, the Commission may: (1) include in the sale of bonds the cost of making service connections that are paid on an installment basis; and (2) use any funds obtained from the sale.