Md. Code, Environment § 2–609

(a) The Department may bring:

(1) An action to enjoin any conduct that violates any provision of this title or any rule, regulation, or order adopted or issued under this title; or

(2) A civil action to collect a civil penalty under § 2-610 of this subtitle.

(b) The right to bring an action under subsection (a) of this section is in addition to and not instead of the right to bring any other action under that subsection.

(c) For good cause shown, the court that hears a proceeding to enforce an order issued under this subtitle may grant, without further penalty to the violator, a reasonable extension of time to abate the violation.