Maryland Code, Environment § 6-422

(a)(1) A person who violates any provision of this subtitle or any rule or regulation adopted under this subtitle is liable for a civil penalty not exceeding $25,000 to be collected in a civil action.

(2) Each day a violation continues is a separate violation under this subsection.

(3) If the Attorney General concurs, the Secretary may compromise and settle any claim for a civil penalty under this subtitle.

(1) For a first offense, to a fine not exceeding $20,000; or

(2) For a second or subsequent offense, to a fine not exceeding $25,000, or imprisonment not exceeding 2 years or both.