Flood Risk in Gonn, NSW: 2026 Assessment

Gonn, New South Wales· Unincorporated NSW
Gonn faces a moderate risk of flooding due to its location within the Murray-Darling Basin. Intense rainfall events can lead to riverine flooding.Updated 29 May 2026

Is Gonn Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Gonn, 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

Not ready to check your address? See a free sample report →

Flood Risk Score

Not assessed

Gonn faces a moderate risk of flooding due to its location within the Murray-Darling Basin. Intense rainfall events can lead to riverine flooding.

Key Facts

Flood Risk
Gonn faces a moderate risk of flooding due to its location within the Murray-Darling Basin. Intense rainfall events can lead to riverine flooding.
Trend
increasing
Suburb
Gonn, NSW
Overall Risk
Medium
Postcode
2732
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat

Flood Risk Analysis

Gonn, 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 data indicates that Gonn has experienced several significant flood events in the past, highlighting the ongoing risk.

Gonn faces a moderate risk of flooding due to its location within the Murray-Darling Basin. Intense rainfall events can lead to riverine flooding.

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.

Gonn located in Regional (postcode 2732), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $500,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Gonn.

Across the six hazard axes ClimateNest models, the dominant climate risk for Gonn in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). The actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Gonn, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Gonn are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayMurray River
Elevation Range100-110m
Flood Zone ClassificationLikely to flood during major events

Historical Events

2017
Minor

Localized flooding occurred after heavy rainfall, impacting some properties in low-lying areas.

2010
Moderate

Major flooding along the Murray River affected Gonn, causing property damage and displacement.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as levees and improved drainage systems.

Est. cost: High

Implement Heatwave Early Warning System

Immediate

Develop and implement a heatwave early warning system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Medium

Promote Bushfire Safety Awareness

Near-term

Conduct community education programs to raise awareness of bushfire risks and promote preparedness measures.

Est. cost: Low

Upgrade Building Codes

Long-term

Update building codes to ensure that new buildings are more resilient to climate change impacts, such as flooding and heatwaves.

Est. cost: High

Council & Emergency Services

Unincorporated NSW
Emergency Services

Data last updated: 29 May 2026

Explore Gonn Risk Reports

Frequently Asked Questions

Is Gonn at risk of flooding?

Based on available data, Gonn 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 Gonn?

Insurance costs for flood cover in Gonn 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 Gonn?

Yes, flood risk can affect property values in Gonn. 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 Gonn?

Elevation is a critical factor in flood risk. Properties at higher elevations within Gonn 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 Gonn Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Gonn, 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