Maryland Environment Section 9-664
§ 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.