- Ottawa River @ Britannia – Graphical — Real-time water levels in graphical format.
- Water Levels and Flows — Ottawa River level Forecasts.
- Ottawa Historical Levels — Monthly and annual mean water levels since 1950.
The Mean Water Level datum at Britannia is 57.9 m.
- The BYC gates cannot be removed until the water level drops to roughly 59.0 m.
- The first link above is from Environment Canada; the latter two are from the Ottawa River Regulation Planning Board website.
Page updated: 2017-01-13.
Page maintained by D. Servranckx.