Flood Risk in Mulloon, NSW: 2026 Assessment

Mulloon, New South Wales· UNKNOWN
Mulloon faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.Updated 24 May 2026

Flood Risk Score

6.0/10

Mulloon faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

Key Facts

Flood Risk
Mulloon faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.
Trend
increasing
Suburb
Mulloon, NSW
Overall Risk
Medium
Postcode
2622
Highest high-risk exposure
14.4% of land (bushfire)

Flood Risk Analysis

Mulloon, 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 data indicates periodic inundation of low-lying areas near Mulloon Creek.

Mulloon faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

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.

Mulloon sits within ClimateNest's suburb-level hazard model for flood risk. 6.2% of the suburb's land area is mapped in high-risk flood zones and 76.3% 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 Mulloon.

Mulloon (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 (14.4% of land in high-risk zones), surface flood (9.5% of land in high-risk zones), riverine flood (6.2% of land in high-risk zones). Exposure is not uniform across Mulloon — 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 WaterwayMulloon Creek
Elevation Range600-650m
Flood Zone ClassificationModerate

Historical Events

2020
Minor

Minor flooding occurred along Mulloon Creek after a period of heavy rainfall.

2010
Moderate

Heavy rainfall caused Mulloon Creek to flood, inundating low-lying areas and disrupting transportation.

Adaptation & Mitigation Actions

Upgrade Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as levees, drainage improvements, and flood-proofing of buildings.

Est. cost: High

Implement Heat Action Plan

Immediate

Develop and implement a heat action plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Improve bushfire preparedness through vegetation management, community education, and upgrades to firefighting equipment.

Est. cost: Medium

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water stress during periods of drought and heatwaves.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 24 May 2026

Explore Mulloon Risk Reports

Frequently Asked Questions

Is Mulloon at risk of flooding?

Based on available data, Mulloon 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 Mulloon?

Insurance costs for flood cover in Mulloon 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 Mulloon?

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

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

ClimateNest's hazard overlay maps 14.4% of Mulloon in high-risk zones for bushfire, with a further 73.4% 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 Mulloon Safe from Climate Risk?

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