Saint Lawrence Seaway Development Corporation

Working in concert with its Canadian counterpart, the Saint Lawrence Seaway Development Corporation works to operate and maintain a safe, reliable, efficient waterway between the Great Lakes and the Atlantic Ocean.

Contact the Agency or Department


Website:
Saint Lawrence Seaway Development Corporation
Contact via the Web:
Contact the Saint Lawrence Seaway Development Corporation
Address:
1200 New Jersey Ave SE
Suite W32-300
Washington, DC 20590
Phone Number:
(202) 366-0091
(315) 764-3200 (Operations)
Toll-free:
(800) 785-2779

Parent Agency