Coalition for Equitable Water Flow

Parks Canada’s water management team continues to actively monitor water levels, flows, and weather forecasts across the Trent-Severn Waterway National Historic Site. These factors are used to determine dam operations on a daily basis. Parks Canada maintains the Ontario Waterways Water Management InfoNet on the Trent-Severn Waterway website at: https://parks.canada.ca/lhn-nhs/on/trentsevern/info/infonet/point-gestion-eau-water-management-updates The InfoNet contains background [...]

Copies of the TSW water level charts for 2025 have been added to the annual compilation on the CEWF website dating back to 2013. These can be accessed by navigating to Water Level Summaries by Year in the Water Management tab or by clicking [here]

CEWF keeps track of precipitation data and the chart below demonstrates how extreme 2025 was.

Precipitation from February until May was well above normal; and precipitation from June to October was extremely low. These conditions led to major challenges for both the TSW and property owners. It was a roller coaster!

The precipitation data is outlined in [...]