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Low

flood Flood Risk in Toronto, Canada

Risk Level: Low — Score 1/10

Risk: 1Historical: 10

Live Flood alert status near Toronto

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Live flood map around Toronto

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Key Risk Factors

  • Frequent historical activity recorded in proximity
  • Active in the last 12 months (8 events)

Peak season: March-September

Last significant event: Rainfall - Hamilton, Ontario, Canada (2023-07-29)

Highest Risk Cities for Floods

1
New York, NY
FEMA: 9Historical: 10
2
Los Angeles, CA
FEMA: 9Historical: 10
3
Chicago, IL
FEMA: 9Historical: 10
4
Houston, TX
FEMA: 9Historical: 10
5
Phoenix, AZ
FEMA: 9Historical: 10
6
Philadelphia, PA
FEMA: 9Historical: 10
7
San Antonio, TX
FEMA: 9Historical: 10
8
San Diego, CA
FEMA: 9Historical: 10
9
Dallas, TX
FEMA: 9Historical: 10
10
San Jose, CA
FEMA: 9Historical: 10
Toronto is not in the top 10 for flood risk among tracked cities.

How Toronto Compares

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Notable Flood Events Near Toronto

DisasterAWARE's historical archive records 5 notable flood events near Toronto, ranked below by impact. The most impactful: Rainfall - Hamilton, Ontario, Canada (July 2023).

Rainfall - Hamilton, Ontario, Canada

July 28, 2023 — WARNING

Impact data not available

Rainfall - Hamilton, Ontario, Canada

July 14, 2023 — WARNING

Impact data not available

Rainfall - SE of Hamilton, Ontario, Canada

September 24, 2022 — WARNING

Impact data not available

Flood - Ontario, Canada

April 23, 2017 — WARNING

Impact data not available

Flooding/Severe Thunderstorms - Ontario, Canada

July 8, 2013 — WARNING

Impact data not available

Flood Preparedness Tips

  • 1.Know if your property is in a flood zone — check FEMA maps
  • 2.Consider flood insurance even if not in a high-risk zone
  • 3.Never drive through flooded roadways — Turn Around, Don’t Drown
  • 4.Move valuables and important documents to upper floors
  • 5.Install sump pumps and check valves in plumbing

Related Pages

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Extreme Heat Risk in Toronto
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Drought Risk in Toronto
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high-wind
High Wind Risk in Toronto
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tsunami
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How this data is built

Toronto, Canada flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live flood monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

The data behind this page

Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.

Historical flood event data for Toronto, Canada — free dataset samples →Real-time flood alerts by API →

Monitor Flood Risk in Real Time

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