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A look back at the record-breaking Toronto Islands floods

Thursday, May 27th 2021, 4:30 am - On this day in weather history, the Toronto Islands reached their peak flooding.

Listen to The Weather Network's This Day in Weather History podcast on this topic, here.

This Day In Weather History is a daily podcast by The Weather Network that features stories about people, communities, and events and how weather impacted them.


In late spring 2017, the Toronto Islands flooded as Lake Ontario reached its highest-ever recorded level.

t.island flooded Toronto Islands, 2017. Courtesy of TWN

The Greater Toronto Areas received copious amounts of rain that led to Lake Ontario rising 75.93 metres above sea level.

The Islands are a popular place to visit during the summer, but they're home to 800 people, 30 businesses, and two schools.

In May, the flooding reached its peak. There were carp flopping in the Island's streets that had flooded and turned into rivers. Residents' lawns flooded as well, and so they became ponds for geese and ducks to enjoy.

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To keep the water out of homes, the city used more than 45,000 sandbags, 27 industrial pumps, and 1,000-metre bags.

Ferry services stopped for three months, costing $6.34 million in lost revenue.

Even with all the preventative efforts, around 50 per cent of the island's buildings were impacted. Additionally, between 50 to 60 per cent of the parklands were affected.

t. islands Toronto Islands, 2017. Courtesy of TWN

The damage cost the city’s parks, forestry and recreation department around $8.45 million and an additional $7.38 million for short-term repairs.

To learn more about the 2017 Toronto Island Floodings, listen to today's episode of "This Day In Weather History."

This Day In Weather History is a daily podcast by The Weather Network that features unique and informative stories from host Chris Mei.

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Thumbnail: Courtesy of TWN

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