Me. Rev. Stat. tit. 32, § 4182

Any person, firm or corporation, either municipal or private, violating any provision of this chapter or the rules adopted pursuant to this chapter is guilty of a Class E crime and may also be subject to civil enforcement actions under Title 38, section 347‑A and civil monetary penalties as established under Title 38, section 349. Each day of operation in violation of this chapter or any rules adopted pursuant to this chapter constitutes a separate offense.