Flood Risk in Yarrahapinni, SA: 2026 Assessment

Yarrahapinni, South Australia· UNKNOWN
Yarrahapinni faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.Updated 18 May 2026

Flood Risk Score

6.0/10

Yarrahapinni faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.

Key Facts

Flood Risk
Yarrahapinni faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.
Trend
increasing
Suburb
Yarrahapinni, SA
Overall Risk
Medium
Postcode
5433
Highest high-risk exposure
17.1% of land (bushfire)

Flood Risk Analysis

Yarrahapinni, located in South 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 South Australia.

The area has experienced flooding in the past, and future events are expected to be more frequent and intense.

Yarrahapinni faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash 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.

Yarrahapinni sits within ClimateNest's suburb-level hazard model for flood risk. 2.3% of the suburb's land area is mapped in high-risk flood zones and 92.7% 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 Yarrahapinni.

Yarrahapinni (postcode 5433) 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 (17.1% of land in high-risk zones), surface flood (9.5% of land in high-risk zones), extreme wind (4.1% of land in high-risk zones). Exposure is not uniform across Yarrahapinni — 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 WaterwayKempsey Arm
Elevation Range5-15m
Flood Zone ClassificationLikely

Historical Events

2020
Moderate

Heavy rainfall caused the Macleay River to flood, impacting low-lying areas and causing road closures.

2013
Moderate

Major flooding occurred in the Macleay River, impacting low-lying areas around Yarrahapinni.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall and reduce the risk of flash flooding.

Est. cost: Medium

Bushfire Vegetation Management

Immediate

Implement vegetation management strategies to reduce fuel loads and create fire breaks around properties.

Est. cost: Low

Heatwave Preparedness Plan

Near-term

Develop a community heatwave preparedness plan to protect vulnerable residents during extreme heat events.

Est. cost: Low

Coastal Erosion Monitoring

Long-term

Monitor coastal erosion and implement measures to protect vulnerable areas from sea level rise and storm surges.

Est. cost: High

Community Education Programs

Near-term

Conduct community education programs to raise awareness about climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Kempsey Shire Council
Emergency Services

Data last updated: 18 May 2026

Explore Yarrahapinni Risk Reports

Frequently Asked Questions

Is Yarrahapinni at risk of flooding?

Based on available data, Yarrahapinni 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 Yarrahapinni?

Insurance costs for flood cover in Yarrahapinni 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 Yarrahapinni?

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

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

ClimateNest's hazard overlay maps 17.1% of Yarrahapinni 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 Yarrahapinni Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Yarrahapinni, South 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