Flood Risk in Tolwong, NSW: 2026 Assessment

Tolwong, New South Wales· UNKNOWN
Tolwong faces a moderate risk of flooding due to its proximity to waterways and potential for heavy rainfall. Climate change may increase the intensity of rainfall events, exacerbating flood risk.Updated 25 May 2026

Flood Risk Score

6.0/10

Tolwong faces a moderate risk of flooding due to its proximity to waterways and potential for heavy rainfall. Climate change may increase the intensity of rainfall events, exacerbating flood risk.

Key Facts

Flood Risk
Tolwong faces a moderate risk of flooding due to its proximity to waterways and potential for heavy rainfall. Climate change may increase the intensity of rainfall events, exacerbating flood risk.
Trend
increasing
Suburb
Tolwong, NSW
Overall Risk
Medium
Postcode
2622
Highest high-risk exposure
15.3% of land (bushfire)

Flood Risk Analysis

Tolwong, 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.

Specific flood data for Tolwong is limited. Consult local council for detailed flood risk assessments.

Tolwong faces a moderate risk of flooding due to its proximity to waterways and potential for heavy rainfall. Climate change may 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.

Tolwong sits within ClimateNest's suburb-level hazard model for flood risk. 9.2% of the suburb's land area is mapped in high-risk flood zones and 68% 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 Tolwong.

Tolwong (postcode 2622) 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 (15.3% of land in high-risk zones), riverine flood (9.2% of land in high-risk zones), surface flood (5.4% of land in high-risk zones). Exposure is not uniform across Tolwong — 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 WaterwayUncertain
Elevation RangeUncertain
Flood Zone ClassificationUnknown

Historical Events

2016
Minor

Heavy rainfall caused localized flooding in low-lying areas near Tolwong.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Implement bushfire mitigation measures, such as clearing vegetation around properties, creating firebreaks, and developing evacuation plans.

Est. cost: Low

Upgrade Drainage Infrastructure

Near-term

Invest in upgrading drainage infrastructure to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Develop a Heatwave Management Plan

Near-term

Create a heatwave management plan to protect vulnerable populations during extreme heat events, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to address potential water scarcity issues associated with climate change.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 25 May 2026

Explore Tolwong Risk Reports

Frequently Asked Questions

Is Tolwong at risk of flooding?

Based on available data, Tolwong 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 Tolwong?

Insurance costs for flood cover in Tolwong 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 Tolwong?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Tolwong 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 Tolwong is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 15.3% of Tolwong in high-risk zones for bushfire, with a further 59% 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 Tolwong Safe from Climate Risk?

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