Rideau Canal water levels may recede quickly due to lack of rain this summer and fall  CTV NewsBoaters warned of low water levels as Thanksgiving concludes navigation season  CTV NewsParks Canada issues low water level advisory for the Trent-Severn Waterway due to lack of rain  Simcoe.comDry conditions, lack of rain prompts Parks Canada to warn of low water levels for Lake Scugog  DurhamRegion.comParks Canada Advises Of Possible Water Levels “Below Navigable Range” On The Trent Severn Waterway  Kawartha 411