Flood Risk in South Yunderup, WA: 2026 Assessment

South Yunderup, Western Australia· UNKNOWN
South Yunderup faces a moderate risk of flooding due to its proximity to the Murray River and low-lying areas. Increased rainfall intensity and rising sea levels could exacerbate this risk.Updated 19 Mar 2026

Flood Risk Score

6.0/10

South Yunderup faces a moderate risk of flooding due to its proximity to the Murray River and low-lying areas. Increased rainfall intensity and rising sea levels could exacerbate this risk.

Key Facts

Flood Risk
South Yunderup faces a moderate risk of flooding due to its proximity to the Murray River and low-lying areas. Increased rainfall intensity and rising sea levels could exacerbate this risk.
Trend
increasing
Suburb
South Yunderup, WA
Overall Risk
Medium
Postcode
6208
Highest high-risk exposure
24.7% of land (bushfire)

Flood Risk Analysis

South Yunderup, located in Western Australia, 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 Western Australia.

Historical flood events have impacted properties near the river.

South Yunderup faces a moderate risk of flooding due to its proximity to the Murray River and low-lying areas. Increased rainfall intensity and rising sea levels could exacerbate this 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.

South Yunderup sits within ClimateNest's suburb-level hazard model for flood risk. 7.9% of the suburb's land area is mapped in high-risk flood zones and 70.2% 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 South Yunderup.

South Yunderup (postcode 6208) 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 (24.7% of land in high-risk zones), tropical cyclone (8.9% of land in high-risk zones), riverine flood (7.9% of land in high-risk zones). Exposure is not uniform across South Yunderup — 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 WaterwayMurray River
Elevation Range0-10 meters
Flood Zone ClassificationAreas near the Murray River are prone to flooding.

Historical Events

2017
Moderate

Heavy rainfall caused flooding in low-lying areas of South Yunderup.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to reduce the risk of flooding during heavy rainfall events.

Est. cost: Medium

Implement Bushfire Management Plans

Near-term

Develop and implement bushfire management plans to protect properties and infrastructure from bushfires.

Est. cost: Medium

Promote Heatwave Preparedness

Immediate

Educate residents about the risks of heatwaves and provide resources for staying safe during extreme heat events.

Est. cost: Low

Protect Coastal Areas

Long-term

Implement measures to protect coastal areas from erosion and inundation, such as building seawalls and restoring coastal vegetation.

Est. cost: High

Council & Emergency Services

City of Mandurah
Emergency Services

Data last updated: 19 March 2026

Explore South Yunderup Risk Reports

Frequently Asked Questions

Is South Yunderup at risk of flooding?

Based on available data, South Yunderup 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 South Yunderup?

Insurance costs for flood cover in South Yunderup 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 South Yunderup?

Yes, flood risk can affect property values in South Yunderup. 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 South Yunderup?

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

ClimateNest's hazard overlay maps 24.7% of South Yunderup in high-risk zones for bushfire, with a further 58.7% 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 South Yunderup Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for South Yunderup, Western Australia, 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