Latest Water Level News

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 […]

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TSW Releases Drawdown Forecast September 8 2025

The march to winter set continues and many lakes are still ahead of where we normally are. Just over a month until the end of the drawdown season. 

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TSW Releases Drawdown Forecast September 2 2025

As the drawdown is continuing on most reservoirs to maintain minimum flows downstream, the conditions on most lakes remain from 2 to 4 weeks ahead of the normal date for current levels.

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.  

Shallow passages, […]

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TSW Releases Drawdown Forecast August 25 2025

The lower than normal lake levels continue. As we round out the summer we would like to remind everybody that the lower lake levels could affect your boat launches and docks. Take this information in to account when deciding when to take boats and docks […]

this is a long post. Click on the title or [here] to expand. 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. As […]