Flood Risk in Mingenew, WA: 2026 Assessment

Mingenew, Western Australia· UNKNOWN
Mingenew faces a moderate risk of flooding, primarily from the Irwin River. Localized heavy rainfall events can lead to flash flooding.Updated 18 Mar 2026

Flood Risk Score

4.2/10

Mingenew faces a moderate risk of flooding, primarily from the Irwin River. Localized heavy rainfall events can lead to flash flooding.

Key Facts

Flood Risk
Mingenew faces a moderate risk of flooding, primarily from the Irwin River. Localized heavy rainfall events can lead to flash flooding.
Trend
stable
Suburb
Mingenew, WA
Overall Risk
Medium
Postcode
6522
Highest high-risk exposure
13.7% of land (bushfire)

Flood Risk Analysis

Mingenew, 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 areas near the river.

Mingenew faces a moderate risk of flooding, primarily from the Irwin River. Localized heavy rainfall events can lead to 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.

Mingenew sits within ClimateNest's suburb-level hazard model for flood risk. 4.5% of the suburb's land area is mapped in high-risk flood zones and 82.1% 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 Mingenew.

Mingenew (postcode 6522) 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 (13.7% of land in high-risk zones), surface flood (12.1% of land in high-risk zones), extreme wind (6.6% of land in high-risk zones). Exposure is not uniform across Mingenew — 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 WaterwayIrwin River
Elevation Range200-250m
Flood Zone ClassificationAreas near the Irwin River are prone to flooding.

Historical Events

2022
Minor

Localized flooding occurred after a period of heavy rainfall.

2010
Moderate

Heavy rainfall caused flooding in low-lying areas of Mingenew.

Adaptation & Mitigation Actions

Improve Flood Management Infrastructure

Near-term

Upgrade drainage systems and implement flood control measures to reduce flood risks.

Est. cost: Medium

Enhance Bushfire Preparedness

Immediate

Implement bushfire mitigation strategies, including vegetation management and community education programs.

Est. cost: Medium

Develop Heatwave Action Plan

Near-term

Create a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation practices to address potential water scarcity issues.

Est. cost: Low

Council & Emergency Services

Shire of Mingenew
Emergency Services

Data last updated: 18 March 2026

Explore Mingenew Risk Reports

Frequently Asked Questions

Is Mingenew at risk of flooding?

Based on available data, Mingenew 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 Mingenew?

Insurance costs for flood cover in Mingenew 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 Mingenew?

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

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

ClimateNest's hazard overlay maps 13.7% of Mingenew in high-risk zones for bushfire, with a further 56.9% 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 Mingenew Safe from Climate Risk?

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