Contact Us

General enquiries

To communicate with us for general enquiries please e-mail:

  • mlo@seaway.ca  for Montreal South Shore, Kahnawake, Salaberry/Beauharnois and Cornwall regions in Québec and Ontario in Canada.
  • niagara@seaway.ca for St. Catharines / Thorold and Port Colborne regions in Ontario, Canada.
  • info@dot.gov for Massena, New York in the United States.

Business Development

If your question concerns business development or an enquiry about commercial cargo, please e-mail marketing@seaway.ca or contact our marketing office at (905) 641-1932 extension 5438.

Media Relations

Media – If you are a member of the media, please contact one of the following offices and ask to speak to the Communications Officer.

Canada – The St. Lawrence Seaway Management Corporation (613) 932-5170 (you can also email media@seaway.ca )

U.S.A. – Great Lakes St. Lawrence Seaway Development Corporation (202) 366-0091

Report an Emergency

911 is the number to call any time an emergency requires police, fire or an ambulance.

For other emergencies please call:

450-672-4110 for Montreal South Shore, Kahnawake, Salaberry/Beauharnois and Cornwall regions in Québec and Ontario in Canada

Callers can select ‘for Marine Incidents’ – please press ‘2’

905-641-1932 for St. Catharines / Thorold and Port Colborne regions in Ontario, Canada.

Callers can select ‘for Marine Incidents’ – please press ‘2’

 

Office Locations

The St. Lawrence Seaway Management Corporation (Canada)

Head Office
202 Pitt Street
Cornwall, Ontario
Canada K6J 3P7
Tel: 613-932-5170
Fax: 613-932-7286
Operations Center Quebec
151 Écluse Street
St. Lambert, Quebec
Canada J4R 2V6
Tel: 450-672-4110
Fax: 450-672-7098
Operations Center – Ontario
508 Glendale Avenue
St. Catharines, Ontario
Canada L2R 6V8
Tel: 905-641-1932
Fax: 905-682-4525

Please note that calls may be recorded for quality assurance and training purposes.

 

Great Lakes St. Lawrence Seaway Development Corporation (U.S.A.)

Policy Headquarters
U.S. Department of Transportation
55 M Street, S.E.
Suite 930
Washington, D.C.
USA 20003
Hours: 8:00 a.m. to 5:00 p.m.
Tel: 800-785-2779 or 202-366-0091
Fax: 202-366-7147
Operations Headquarters
180 Andrews Street
Massena, New York
USA 13662
Hours: 8:00 a.m. to 4:30 p.m.
Tel: 315-764-3200
Fax: 315-764-3235