Lake St. Lawrence levels won’t change for Thanksgiving September 3, 2024 News, Premium In this May 2024, file photo, the Moses-Saunders Dam in Cornwall, Ont. (Newswatch Group/Bill Kingston, File) This is content for Cornwall Newswatch Premium subscribers. Subscribe now for as little as $5.99 a month! You'll have access to the latest breaking news and original reporting in Cornwall and the Seaway Valley. Click here to subscribe. Username or E-mail Password Remember Me Forgot Password International Lake Ontario-St. Lawrence River BoardLake OntarioLake St. Lawrencewater levels