Flood Risk in Augusta, WA: 2026 Assessment

Augusta, Western Australia· UNKNOWN
Augusta faces a moderate risk of flooding due to its proximity to the Blackwood River and coastal areas. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.Updated 1 Apr 2026

Is Augusta Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Augusta, Western Australia, covering flood, bushfire, sea level rise and more.

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What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Flood Risk Score

Not assessed

Augusta faces a moderate risk of flooding due to its proximity to the Blackwood River and coastal areas. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.

Key Facts

Flood Risk
Augusta faces a moderate risk of flooding due to its proximity to the Blackwood River and coastal areas. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.
Trend
increasing
Suburb
Augusta, WA
Overall Risk
Medium
Postcode
6290
Region
Coastal WA
Median property value
$575,000
Dominant hazard
extreme heat

Flood Risk Analysis

Augusta, located in Western Australia, has a location-specific 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 areas near the river and coast.

Augusta faces a moderate risk of flooding due to its proximity to the Blackwood River and coastal areas. Increased rainfall intensity and rising sea levels are expected to 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.

Augusta located in Coastal WA (postcode 6290), is a Western Australia suburb tracked by ClimateNest. The suburb's median property value is $575,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Augusta.

Across the six hazard axes ClimateNest models, the dominant climate risk for Augusta in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). The actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Augusta, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Augusta are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayBlackwood River
Elevation Range0-30 meters
Flood Zone ClassificationCoastal and riverine floodplains

Historical Events

2021
Minor

Heavy rainfall caused minor flooding in low-lying areas of Augusta.

Adaptation & Mitigation Actions

Coastal Protection Measures

Immediate

Implement coastal protection measures such as seawalls and dune restoration to protect against sea level rise and erosion.

Est. cost: High

Flood Management Strategies

Near-term

Develop and implement flood management strategies, including improved drainage systems and flood-resistant building codes.

Est. cost: Medium

Bushfire Risk Reduction

Near-term

Reduce bushfire risk through fuel reduction programs, community education, and improved building standards.

Est. cost: Medium

Heatwave Preparedness

Long-term

Develop heatwave preparedness plans and implement measures to protect vulnerable populations during extreme heat events.

Est. cost: Low

Council & Emergency Services

Augusta-Margaret River Shire
Emergency Services

Data last updated: 1 April 2026

Explore Augusta Risk Reports

Frequently Asked Questions

Is Augusta at risk of flooding?

Based on available data, Augusta has a location-specific 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 Augusta?

Insurance costs for flood cover in Augusta 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 Augusta?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Augusta 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 Augusta Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Augusta, Western Australia, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections