Ottawa River Levels


The following message is a report of water levels
at various locations along the Ottawa River
and is updated daily during the spring and once a week the rest of the year:

Check out our new map with links to external information !


This message is issued on February 2, 2010 at 11 a.m.
by the Ottawa River Regulating Committee.

Levels and flows at all points in the watershed will continue to be stable or will decrease slightly for the next few days as colder temperatures continue.


The following are observed levels at 8 a.m. today:

Lake Timiskaming     177.90 metres
     The reservoir is 60% full
Mattawa     152.36 metres
Pembroke     111.58 metres
Lake Coulonge     106.51 metres
Chats Lake at Arnprior     74.11 metres
Lake Deschenes at Britannia     58.37 metres
Hull     41.99metres
Grenville     41.31 metres
Gatineau River at Maniwaki     163.40 metres


The total outflow of the Ottawa River at Carillon is 2230 cubic metres per second.

Principal reservoirs - Current water levels and system constraints


This message will be updated on February 9, 2010 at 2 p.m.

If you require more information, contact us by e-mail

This information is also available by toll-free telephone service, 24 hours per day, at the following numbers:

In the Ottawa-Hull region: ............................ 994-7079
Outside the region: .............................1-800-778-1246