Flood Risk in Toronto, NSW: 2026 Assessment

Toronto, New South Wales· UNKNOWN
Toronto is located near Lake Macquarie and several creeks, making it susceptible to flooding from heavy rainfall and rising lake levels. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.Updated 8 Mar 2026

Flood Risk Score

6.0/10

Toronto is located near Lake Macquarie and several creeks, making it susceptible to flooding from heavy rainfall and rising lake levels. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.

Key Facts

Flood Risk
Toronto is located near Lake Macquarie and several creeks, making it susceptible to flooding from heavy rainfall and rising lake levels. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.
Trend
increasing
Suburb
Toronto, NSW
Overall Risk
Medium
Postcode
2283
Highest high-risk exposure
12.4% of land (bushfire)

Flood Risk Analysis

Toronto, located in New South Wales, has a notable flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across New South Wales.

Historical flood events have impacted properties near the lake foreshore.

Toronto is located near Lake Macquarie and several creeks, making it susceptible to flooding from heavy rainfall and rising lake levels. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Toronto sits within ClimateNest's suburb-level hazard model for flood risk. 3.6% of the suburb's land area is mapped in high-risk flood zones and 74.6% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Toronto.

Toronto (postcode 2283) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (12.4% of land in high-risk zones), extreme wind (4.8% of land in high-risk zones), riverine flood (3.6% of land in high-risk zones). Exposure is not uniform across Toronto — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwayLake Macquarie
Elevation Range5-20 meters
Flood Zone ClassificationAreas near the lake and creeks are prone to flooding.

Historical Events

2007
Moderate

Major flooding occurred in the Hunter region, impacting Toronto and surrounding areas. Heavy rainfall caused creeks and Lake Macquarie to overflow, inundating homes and businesses.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall and reduce the risk of flooding.

Est. cost: Medium

Develop a heatwave management plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves, such as cooling centers and public awareness campaigns.

Est. cost: Low

Protect coastal areas from erosion

Long-term

Implement measures to protect shorelines from erosion due to rising lake levels and storm surges, such as seawalls and beach nourishment.

Est. cost: High

Raise community awareness

Immediate

Educate residents about climate risks and how to prepare for extreme weather events.

Est. cost: Low

Strengthen building codes

Near-term

Update building codes to ensure new construction is resilient to climate change impacts, such as flooding and heatwaves.

Est. cost: Medium

Council & Emergency Services

Lake Macquarie City Council
Emergency Services

Data last updated: 8 March 2026

Explore Toronto Risk Reports

Frequently Asked Questions

Is Toronto at risk of flooding?

Based on available data, Toronto has a notable flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Toronto?

Insurance costs for flood cover in Toronto depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Toronto?

Yes, flood risk can affect property values in Toronto. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Toronto?

Elevation is a critical factor in flood risk. Properties at higher elevations within Toronto typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

What share of Toronto is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 12.4% of Toronto in high-risk zones for bushfire, with a further 63.7% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Toronto Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Toronto, New South Wales, covering flood, bushfire, sea level rise and more.

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What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections