Outflow Data

Outflow Data for the Past Week

Lake Ontario Outflow measured at Cornwall/Massena
Ottawa River Total Outflow measured at Lac des Deux-Montagnes

NOTE: This information will be updated on a weekly basis. Additional updates may be made for any major changes during the week.

 Jan 27Jan 28Jan 29Jan 30Jan 31Feb 01Feb 02
Lake Ontario16230654065406530653068306820
Above(+) / Below(-) 1958-D Plan03101000300290
Ottawa River Total22330227022302140205020702060
Ottawa River through Lake St.Louis108010401020990930930920
Lake St.Louis Total8320847087908650816080608050