The Lake Ontario–St Lawrence River listserv () is used to provide regular weekly email notifications of water level and flow conditions in Lake Ontario and in the St Lawrence River. It is also used to notify subscribers of actions that the International St Lawrence River Board of Control is taking that may change the water levels and flows.
To subscribe: send an email to without anything in the subject line nor any text in the body of the email message.
To unsubscribe: send a blank email to without anything in the subject line nor any text int he body of the email message.
The listserv is maintained by:
Chuck Southam
Boundary Water Issues Unit
Environment Canada
P.O. Box 5050
Burlington, Ontario L7R 4A6
Tel: 905-336-4955
Fax: 905-336-8901
Mail:

