Flood Risk in Dawesville, WA: 2026 Assessment

Dawesville, Western Australia· UNKNOWN
Dawesville faces a moderate risk of flooding due to its proximity to the coast and waterways. Intense rainfall events can lead to localised flooding.Updated 14 Mar 2026

Flood Risk Score

6.5/10

Dawesville faces a moderate risk of flooding due to its proximity to the coast and waterways. Intense rainfall events can lead to localised flooding.

Key Facts

Flood Risk
Dawesville faces a moderate risk of flooding due to its proximity to the coast and waterways. Intense rainfall events can lead to localised flooding.
Trend
increasing
Suburb
Dawesville, WA
Overall Risk
Medium
Postcode
6211
Region
Coastal WA
Median property value
$575,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
12.3% of land (bushfire)

Flood Risk Analysis

Dawesville, 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 Peel Inlet.

Dawesville faces a moderate risk of flooding due to its proximity to the coast and waterways. Intense rainfall events can lead to localised 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.

Dawesville sits within ClimateNest's suburb-level hazard model for flood risk. 5.5% of the suburb's land area is mapped in high-risk flood zones and 82.3% 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 Dawesville.

On ClimateNest's 0–10 suburb hazard index, Dawesville scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Dawesville can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Dawesville located in Coastal WA (postcode 6211), 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 Dawesville.

Across the six hazard axes ClimateNest models, the dominant climate risk in Dawesville is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Dawesville, 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 Dawesville are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayPeel Inlet
Elevation Range0-10m
Flood Zone ClassificationAreas near the Peel Inlet are prone to flooding.

Historical Events

2010
Minor

Heavy rainfall led to localised flooding in low-lying areas of Dawesville.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

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

Est. cost: Medium

Implement coastal protection measures

Long-term

Construct seawalls and other coastal protection structures to mitigate the impacts of sea level rise and coastal erosion.

Est. cost: High

Develop a heatwave management plan

Immediate

Implement a plan to protect vulnerable populations during heatwave events, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Enhance bushfire preparedness

Near-term

Provide residents with information and resources on bushfire safety, including how to prepare their properties and develop a bushfire survival plan.

Est. cost: Low

Council & Emergency Services

City of Mandurah
Emergency Services

Data last updated: 14 March 2026

Explore Dawesville Risk Reports

Frequently Asked Questions

Is Dawesville at risk of flooding?

Based on available data, Dawesville 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 Dawesville?

Insurance costs for flood cover in Dawesville 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 Dawesville?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Dawesville 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 are the main climate risks in Dawesville?

ClimateNest's suburb model rates Dawesville's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (5/10) and bushfire (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Dawesville.

What share of Dawesville is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 12.3% of Dawesville in high-risk zones for bushfire, with a further 75.3% 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 Dawesville Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Dawesville, 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