Md. Code, Environment § 9–664

(a) An independent system may be constructed in accordance with this section:

(1) By a member county at its own expense; or

(2) By and at the expense of the owners of property that will be served by the independent system.

(b) A person or member county may construct an independent system only if:

(1) The independent system will serve an area that is not served by a project or a municipal system; and

(2) The sanitary commission approves.

(c) The person or member county that proposes to construct the independent system shall:

(1) Submit to the sanitary commission plans and specifications for construction of the independent system; and

(2) If the sanitary commission approves the plans and specifications, construct the independent system in accordance with the approved plans and specifications.

(d) Each independent system shall be operated:

(1) At the expense of the person or county that constructs it; and

(2) Under the general supervision of the sanitary commission.

(e) The person or county that constructs an independent system shall:

(1) Keep accurate records of:

(i) The construction of the independent system;

(ii) The operation of the independent system; and

(iii) The cost of building and operating the independent system; and

(2) File copies of the records with the sanitary commission.