๐Ÿ“ฎ Mullaway postcode: 2456

Flood Risk in Mullaway, NSW: 2026 Assessment

Mullaway, New South Walesยท Clarence Valleyยท 2456
Mullaway 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 4 May 2026

Flood Risk Score

6.5/10

Mullaway 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
Mullaway 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
Mullaway, NSW
Overall Risk
Medium
Postcode
2456
Highest high-risk exposure
19.1% of land (bushfire)

Flood Risk Analysis

Mullaway, 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 that Mullaway has experienced several flood events in the past, particularly in areas close to the creek.

Mullaway 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.

Mullaway 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 65.3% 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 Mullaway.

Mullaway (postcode 2456) 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 (19.1% of land in high-risk zones), surface flood (14.4% of land in high-risk zones), riverine flood (9.2% of land in high-risk zones). Exposure is not uniform across Mullaway โ€” 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 WaterwayArrawarra Creek
Elevation Range0-20 meters
Flood Zone ClassificationAreas near Arrawarra Creek are prone to flooding.

Historical Events

2013
Moderate

Heavy rainfall caused flooding in low-lying areas of Mullaway, impacting homes and businesses.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

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

Est. cost: Medium

Implement bushfire management strategies

Near-term

Reduce fuel loads and improve firebreaks to mitigate the risk of bushfires.

Est. cost: Medium

Develop a heatwave response plan

Immediate

Establish cooling centers and provide support to vulnerable populations during heatwaves.

Est. cost: Low

Implement coastal protection measures

Long-term

Construct seawalls and restore coastal vegetation to protect against erosion and sea level rise.

Est. cost: High

Raise awareness about climate risks

Immediate

Educate the community about the risks of climate change and how to prepare for them.

Est. cost: Low

Council & Emergency Services

Clarence Valley Council
Emergency Services

Data last updated: 4 May 2026

Explore Mullaway Risk Reports

Frequently Asked Questions

Is Mullaway at risk of flooding?

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

What flood insurance costs can I expect in Mullaway?

Insurance costs for flood cover in Mullaway 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 Mullaway?

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

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

ClimateNest's hazard overlay maps 19.1% of Mullaway in high-risk zones for bushfire, with a further 55.2% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Mullaway Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Mullaway, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections