Md. Code, Environment § 9–222

(a) The Secretary may issue an order under subsection (b) of this section, if, after investigation, the Secretary determines that the absence or incompleteness of a public water supply system, public sewerage system, or refuse disposal system in a county, municipal corporation, sanitary district, subdivision, or locality:

(1) Is sufficiently prejudicial to the health or comfort of that or any other county, municipal corporation, sanitary district, subdivision, or locality; or

(2) Causes a condition by which any of the waters of this State are being polluted or could become polluted in a way that is dangerous to health or is a nuisance.

(b) An order under this section may require:

(1) The installation, alteration, extension, utilization, operation, or the completion of a public water supply system, public sewerage system, or refuse disposal system in a county, municipal corporation, sanitary district, subdivision, or locality within a time that the Secretary sets; or

(2) The installation of any device, the establishment of any method, or the enforcement of any measure or regulation that the Secretary considers proper under the circumstances.