Water levels across the reservoirs have continued to rise with ice still in place on most lakes. TSW is actively managing logs in and out to balance melt and rain runoff against the risk of flooding and the risk of not filling the system if springs rains are less than expected. Residents should access current […]
Trent-Severn Waterway – Water Level Management Update – April 8, 2026 Read More »
From CEWF —
This update was posted by TSW on March 12th. We apologies for the slight delay in forwarding this out.
As stated in our previous post and in this update there is active dam work through out the system and lake levels are starting to come up, many with ice still in. Please remember to […]
Trent-Severn Waterway – Water Level Management Update – March 12, 2026 Read More »
CEWF continues to maintain ongoing communication with the TSW Water Management Team.
The TSW Water Management Team has been actively adding logs to all accessible reservoir dams to capture as much of the current melt and rainfall runoff as possible. The only dam that has not been accessible has been Anstruther but that dam will be […]
Update from CEWF on TSW Reservoir Dam Operations as of March 11 2026 Read More »
Trent-Severn Waterway – Water Level Management Update – December 30, 2025
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 […]
Trent-Severn Waterway – Water Level Management Update – December 30, 2025 Read More »
The TSW has issued this advisory for the navigation channels and not necessarily the reservoir lakes. All the dams are at their winter set levels and there is no indication that that is going to change. Having said this with little to no rain there will continue to be water loss and lower than normal […]
LOW WATER LEVEL ADVISORY Read More »
Flow reductions on the Gull River
Trent-Severn Waterway National Historic Site
September 12, 2025 – Haliburton, Ontario – Parks Canada is advising the public that flow reductions are currently taking place on the Gull River between Moore Lake (Elliot Falls Dam) and Coboconk Dam. These reductions are being carried out to conduct maintenance work at the control structures.
As […]
Gull River Reduced Flow Warning from TSW Read More »
UPDATED LOW WATER LEVEL ADVISORY
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Further to the CEWF alert of August 19th, the latest TSW 2-week drawdown forecast puts our lakes at 2 to 4 weeks ahead of a ‘normal’ year, with the drawdown continuing.
This means we are currently experiencing water levels similar to what we would usually see in mid to late September. […]
Updated Low Water Level Advisory & FAQs Read More »
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IMPORTANT
PROPERTY OWNERS NEED TO BE AWARE OF UNUSUALLY LOW WATER LEVELS AND PLAN ACCORDINGLY
Water Levels through out the reservoir area are very low for the date. In most cases our levels are what we would expect in early to mid-September. […]
PROPERTY OWNERS NEED TO BE AWARE OF UNUSUALLY LOW WATER LEVELS AND PLAN ACCORDINGLY Read More »
— The following is a release from the Trent Severn Waterway and Parks Canada —
Trent-Severn Waterway – Water Level Management Update – August 6, 2025
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 […]
Trent-Severn Waterway – Water Level Management Update – August 6, 2025 Read More »
We are experiencing significant rates of drawdown on the reservoir lakes, and in many cases, these reduced levels are several weeks ahead of normal. The TSW Water Management Team has reduced the flows downstream in the system to reduce the demand from the reservoirs however, the reservoir drawdown rate remains significant.
This means that property owners […]
Reservoir Levels Dropping Fast; Property Owners Should Be Attentive Read More »
