Me. Rev. Stat. tit. 25, § 2804-I

Harbor masters and municipal shellfish conservation wardens must successfully complete the preservice law enforcement training requirements in section 2804‑B and the in-service law enforcement training requirements in section 2804‑E in order to have the power to make arrests or to carry a firearm. Harbor masters and municipal shellfish conservation wardens are exempt from section 2804‑C.