Mass. Gen. Laws ch. 91, § 55

Whoever violates any provision of sections fifty-two, fifty-three and fifty-four or of any license or permit granted under said sections, (a) shall be punished by a fine of not more than twenty-five thousand dollars for each day that such violation occurs or continues, or by imprisonment for not more than one year, or both such fine and imprisonment; or (b), shall be subject to a civil penalty not to exceed twenty-five thousand dollars per day for each day such violation occurs or continues.