Flood Risk in St George, NSW: 2026 Assessment

St George, New South Wales· UNKNOWN
St George faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by the proximity to waterways and low-lying areas.Updated 25 May 2026

Is St George Safe from Climate Risk?

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

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What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Flood Risk Score

Not assessed

St George faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by the proximity to waterways and low-lying areas.

Key Facts

Flood Risk
St George faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by the proximity to waterways and low-lying areas.
Trend
increasing
Suburb
St George, NSW
Overall Risk
Medium
Postcode
2622

Flood Risk Analysis

St George, located in New South Wales, has a location-specific 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 low-lying areas near the river.

St George faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by the proximity to waterways and low-lying areas.

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.

ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within St George. An address-level check is what tells you about a specific property before you buy, sell or insure it.

Local Hazard Evidence

Nearest WaterwayGeorges River
Elevation Range5-30 meters
Flood Zone ClassificationPotentially affected areas near the Georges River

Historical Events

2022
Moderate

Heavy rainfall caused flash flooding in some areas of St George.

1990
Moderate

Major flooding along the Georges River impacted low-lying areas.

Adaptation & Mitigation Actions

Improve Home Insulation

Near-term

Enhance insulation in homes to reduce heat gain during summer and heat loss during winter, lowering energy consumption and improving comfort.

Est. cost: Medium

Install Rainwater Tanks

Near-term

Collect rainwater for non-potable uses such as gardening and toilet flushing, reducing reliance on mains water and mitigating flood risk.

Est. cost: Medium

Create Green Spaces

Long-term

Increase vegetation cover in urban areas to reduce the urban heat island effect, provide shade, and improve air quality.

Est. cost: High

Develop Flood Management Plans

Immediate

Implement comprehensive flood management plans to protect properties and infrastructure from flood damage, including early warning systems and evacuation strategies.

Est. cost: High

Promote Community Awareness

Near-term

Educate residents about climate change risks and adaptation measures through workshops, information campaigns, and community events.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 25 May 2026

Explore St George Risk Reports

Frequently Asked Questions

Is St George at risk of flooding?

Based on available data, St George has a location-specific 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 St George?

Insurance costs for flood cover in St George 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 St George?

Yes, flood risk can affect property values in St George. 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 St George?

Elevation is a critical factor in flood risk. Properties at higher elevations within St George 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.

Is St George Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections