Maine Biotoxin Closures: Shellfish Biotoxin Area Inventory

Contact Information:

During normal business hours:
      for western Maine (west of Bucksport): 207-633-9500
      for eastern Maine (east of Bucksport):  207-664-2394
During weekends/holidays contact appropriate State Police barracks:
      From New Hampshire border to Brunswick, barracks 1-800-228-0857
      From Cushing/Boothbay to Lincolnville/Belfast area, barracks 1-800-452-4664
      From Belfast to Canadian border, barracks 1-800-432-7381

More Information about Biotoxin in Maine

See below the table for warnings and disclaimer.

Area Number Name of Closure Effective Date Species Banned in all or some portion of the closure*
ME/NH Border to Pemaquid Pt (Bristol) 11/9/2020
Nno closures at this time.
Bristol to Stonington 7/6/2020
No closure at this time.
Stonington to Machiasport
No closure at this time.
Machiasport to Calais 8/21/2020
No closure at this time.
ME/NH Border to Schoodic Point (Winter Harbor)
Mahogany/Ocean Quahogs
Schoodic Point (Winter Harbor) to the Canadian Border
Mahogany/Ocean Quahogs
Sea Scallops (Maine Coast)
Whole Scallops and Scallop Viscera
Carnivorous Snails (Maine Coast)
Carnivorous Snails


  • Bacterial closures are not included in the list above!
  • If this website has not been updated you may check the hotline at 1-800-232-4733 to see whether or not an area is open or closed. Be advised that the best information comes from your local Marine Patrol Officer, local shellfish warden, or your local Marine Patrol office.
  • This website was last updated November 9, 2020
  • This website is generally only updated during normal business hours.


  • The Department of Marine Resources makes every effort to ensure that published information is accurate and current. Neither the State of Maine, nor any agency, officer, or employee of the State of Maine warrants the accuracy, reliability or timeliness of any information published on this website, and shall not be held liable for any losses caused by reliance on the accuracy, reliability or timeliness of such information. Portions of the information may be incorrect or not current. Any person or entity that relies on any information obtained from this system does so at their own risk. Information on this site should not be relied upon for legal purposes.
  • Contact Kathleen Brosnan for a certified copy.