Flood Risk in Shire of Harvey, WA: 2026 Assessment

Shire of Harvey, Western Australia· UNKNOWN
The Shire of Harvey faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Intense rainfall events can lead to riverine and flash flooding.Updated 10 Mar 2026

Flood Risk Score

6.5/10

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

Key Facts

Flood Risk
The Shire of Harvey faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Intense rainfall events can lead to riverine and flash flooding.
Trend
increasing
Suburb
Shire of Harvey, WA
Overall Risk
Medium

Flood Risk Analysis

Shire of Harvey, 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 low-lying residential and agricultural areas.

The Shire of Harvey faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. 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.

Local Hazard Evidence

Nearest WaterwayHarvey River
Elevation Range0-100m
Flood Zone ClassificationAreas near the Harvey River and coastal regions are prone to flooding.

Historical Events

2022
Moderate

Heavy rainfall caused flooding in low-lying areas of the Shire of Harvey.

2011
Major

Major flooding impacted the Shire of Harvey, causing widespread damage to infrastructure and properties.

Adaptation & Mitigation Actions

Improve Flood Defenses

Immediate

Invest in flood defenses, such as levees and drainage systems, to protect communities and infrastructure from flooding.

Est. cost: High

Manage Bushfire Risks

Near-term

Implement bushfire management strategies, such as controlled burns and vegetation clearing, to reduce the risk of bushfires.

Est. cost: Medium

Prepare for Heatwaves

Near-term

Develop heatwave response plans and provide cooling centers for vulnerable populations.

Est. cost: Low

Protect Coastal Areas

Long-term

Implement coastal management strategies, such as beach nourishment and seawalls, to protect coastal areas from erosion and sea level rise.

Est. cost: High

Community Education Programs

Near-term

Educate the community about climate change risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Shire of Harvey
Emergency Services

Data last updated: 10 March 2026

Explore Shire of Harvey Risk Reports

Frequently Asked Questions

Is Shire of Harvey at risk of flooding?

Based on available data, Shire of Harvey 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 Shire of Harvey?

Insurance costs for flood cover in Shire of Harvey 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 Shire of Harvey?

Yes, flood risk can affect property values in Shire of Harvey. 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 Shire of Harvey?

Elevation is a critical factor in flood risk. Properties at higher elevations within Shire of Harvey 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.

Is Shire of Harvey Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Shire of Harvey, 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