Thames River Rescues: High Water Levels Create Dangerous Conditions in London, Ontario

Thames River Rescues Highlight Growing Risks of Spring Thaw

London, Ontario residents are being urged to exercise extreme caution near the Thames River following multiple water rescues over the past two days. High water levels, caused by rapid snowmelt and recent rainfall, have created dangerous conditions along the riverbanks, prompting emergency crews to respond to incidents involving both adults and children.

Recent Rescues and Emergency Responses

On Monday morning, London Fire Department crews rescued a man near Richmond Street after he became stranded on a concrete structure along the riverbank. He was unable to climb the steep, slippery embankment. The previous day, two boys were found safe after becoming stranded on a small island in the river near Highbury Avenue and Fanshawe Park Road.

Platoon Chief Colin Shewell emphasized the dangers, stating, “It’s just a stark reminder that even if you were out in recreation activities in our area, that the water is exceptionally speedy moving, very unforgiving, and that the trails are very slippery around that area.”

Understanding the ‘Freshet’

According to Upper Thames River Conservation Authority (UTRCA) officials, the current situation is known as a ‘freshet’ – a period of rapid snowmelt combined with rainfall that leads to increased river flows. The North Thames River peaked on Saturday evening, while the South Thames peaked early Sunday morning. The UTRCA notes that the river collects water from tributaries as it flows towards London, meaning the highest flows are typically seen near the Forks of the Thames.

Water crested the banks at the Forks of the Thames on Saturday. This was the view of the river on Monday, March 9, 2026. (Josiane N’Tchoreret Mbiamany / CBC News)

Beyond London: Regional Impacts

The increased river flows aren’t limited to London. Flooding has been reported across Ontario, with incidents including people stranded after ice broke away on Georgian Bay near Owen Sound.

Safety Precautions and Preventative Measures

Both UTRCA and London Fire Department officials are urging residents to stay away from flooded areas. “Even on a attractive, sunny day like today, it’s key to stay well away from flooded waterways and always stay out of flooded areas,” stated a UTRCA representative. Emergency crews emphasize that many water-related incidents are preventable with basic safety awareness.

FAQ: Spring Thaw and River Safety

  • What is a freshet? A freshet is a period of rapid snowmelt and rainfall that causes increased river flows.
  • Is it safe to walk near the riverbanks during the spring thaw? No, riverbanks are often slippery and the water is fast-moving and dangerous.
  • What should I do if I see someone in distress near the river? Call 911 immediately. Do not attempt a rescue yourself.

Pro Tip: Always supervise children and pets closely near bodies of water, especially during the spring thaw. The ground can give way unexpectedly.

Share your thoughts on river safety in the comments below. For more information on flood preparedness, visit the Ontario government’s flooding resources page.

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