Flood Risk in Narrogin, WA: 2026 Assessment

Narrogin, Western Australia· UNKNOWN
Narrogin faces a moderate risk of flooding, primarily from heavy rainfall events and river overflow. The risk is expected to increase with climate change.Updated 1 Apr 2026

Flood Risk Score

4.2/10

Narrogin faces a moderate risk of flooding, primarily from heavy rainfall events and river overflow. The risk is expected to increase with climate change.

Key Facts

Flood Risk
Narrogin faces a moderate risk of flooding, primarily from heavy rainfall events and river overflow. The risk is expected to increase with climate change.
Trend
increasing
Suburb
Narrogin, WA
Overall Risk
Medium
Postcode
6312
Highest high-risk exposure
10.2% of land (bushfire)

Flood Risk Analysis

Narrogin, 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 been recorded in Narrogin, particularly in low-lying areas near the brook.

Narrogin faces a moderate risk of flooding, primarily from heavy rainfall events and river overflow. The risk is expected to increase with climate change.

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.

Narrogin sits within ClimateNest's suburb-level hazard model for flood risk. 6.3% 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 Narrogin.

Narrogin (postcode 6312) 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 (10.2% of land in high-risk zones), riverine flood (6.3% of land in high-risk zones), surface flood (6.1% of land in high-risk zones). Exposure is not uniform across Narrogin — 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 WaterwayNarrogin Brook
Elevation Range280-320m
Flood Zone ClassificationAreas near Narrogin Brook are prone to flooding.

Historical Events

2022
Minor

Localized flooding occurred after a period of intense rainfall.

2010
Moderate

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

Adaptation & Mitigation Actions

Improve bushfire preparedness

Immediate

Implement measures to reduce bushfire risk, such as clearing vegetation around properties and developing community evacuation plans.

Est. cost: Low

Enhance heatwave resilience

Near-term

Provide cooling centers for vulnerable populations and promote water conservation during heatwaves.

Est. cost: Medium

Upgrade flood defenses

Long-term

Improve drainage infrastructure and implement flood mitigation measures in low-lying areas.

Est. cost: High

Promote water conservation

Near-term

Implement water restrictions and encourage water-efficient practices to address water scarcity.

Est. cost: Low

Support sustainable agriculture

Long-term

Promote drought-resistant crops and sustainable farming practices to adapt to changing climate conditions.

Est. cost: Medium

Council & Emergency Services

Shire of Narrogin
Emergency Services

Data last updated: 1 April 2026

Explore Narrogin Risk Reports

Frequently Asked Questions

Is Narrogin at risk of flooding?

Based on available data, Narrogin 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 Narrogin?

Insurance costs for flood cover in Narrogin 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 Narrogin?

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

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

ClimateNest's hazard overlay maps 10.2% of Narrogin in high-risk zones for bushfire, with a further 70.8% 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 Narrogin Safe from Climate Risk?

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