On  Monday, May 5, 2009, Town Meeting approved amend the Town By Laws by adding section 9.18

Public Consumption of Marijuana or Tetrahydrocannabinol

9.18.010 Public consumption of marijuana or tetrahydrocannabinol prohibited

No person shall smoke, ingest, or otherwise use or consume marijuana or tetrahydrocannabinol (as defined in G.L. c. 94C, & 1, as amended) while in or upon any street, sidewalk, public way, footway, passageway, stairs, bridge, park, playground, beach, recreation area, boat landing, public building, schoolhouse, school grounds, cemetery, parking lot, or any area owned by or under the control of the town; or in or upon any bus or other passenger conveyance operated by a common carrier; or in any place accessible to the public.

9.18.020 Enforcement Authority

This by-law may be enforced through any lawful means in law or in equity including, but not limited to, enforcement by criminal indictment or complaint pursuant to G.L. c. 40, s. 21, or by noncriminal disposition pursuant to G.L. c. 40, s. 21D, by the Board of Selectmen, the Town Manager, or their duly authorized agents, or any police officer.

9.18.30.1 Violation - Penalty

The fine for violation of this by-law shall be three hundred dollars ($300) for each offense. Any penalty imposed under this by-law shall be in addition to any civil penalty imposed under G.L. c. 94C, & 32L.