Flood Risk in Yalgoo, WA: 2026 Assessment

Yalgoo, Western Australia· UNKNOWN
Yalgoo faces a moderate risk of flooding, primarily from heavy rainfall events that can overwhelm local drainage systems and cause flash flooding. The risk is exacerbated by the relatively flat terrain in some areas.Updated 18 Mar 2026

Flood Risk Score

4.5/10

Yalgoo faces a moderate risk of flooding, primarily from heavy rainfall events that can overwhelm local drainage systems and cause flash flooding. The risk is exacerbated by the relatively flat terrain in some areas.

Key Facts

Flood Risk
Yalgoo faces a moderate risk of flooding, primarily from heavy rainfall events that can overwhelm local drainage systems and cause flash flooding. The risk is exacerbated by the relatively flat terrain in some areas.
Trend
increasing
Suburb
Yalgoo, WA
Overall Risk
High
Postcode
6635
Highest high-risk exposure
11% of land (bushfire)

Flood Risk Analysis

Yalgoo, 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 along the Murchison River, impacting low-lying areas in and around Yalgoo.

Yalgoo faces a moderate risk of flooding, primarily from heavy rainfall events that can overwhelm local drainage systems and cause flash flooding. The risk is exacerbated by the relatively flat terrain in some areas.

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.

Yalgoo sits within ClimateNest's suburb-level hazard model for flood risk. 4.3% of the suburb's land area is mapped in high-risk flood zones and 74.7% 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 Yalgoo.

Yalgoo (postcode 6635) 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 (11% of land in high-risk zones), surface flood (7.6% of land in high-risk zones), riverine flood (4.3% of land in high-risk zones). Exposure is not uniform across Yalgoo — 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 WaterwayMurchison River
Elevation Range300-400m
Flood Zone ClassificationLow-lying areas near the Murchison River

Historical Events

2010
Moderate

Heavy rainfall caused flooding in low-lying areas of Yalgoo, impacting some properties.

Adaptation & Mitigation Actions

Develop a comprehensive bushfire management plan

Immediate

Implement strategies to reduce bushfire risk, including vegetation management, fire breaks, and community education programs.

Est. cost: Medium

Improve heatwave preparedness

Near-term

Establish cooling centers, provide public awareness campaigns on heat safety, and ensure access to adequate healthcare during heatwaves.

Est. cost: Low

Upgrade drainage infrastructure

Near-term

Improve drainage systems to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Promote water conservation

Long-term

Implement water conservation measures to ensure a sustainable water supply during periods of drought.

Est. cost: Low

Strengthen community resilience

Long-term

Foster community networks and support systems to help residents cope with the impacts of climate change.

Est. cost: Low

Council & Emergency Services

Shire of Yalgoo
Emergency Services

Data last updated: 18 March 2026

Explore Yalgoo Risk Reports

Frequently Asked Questions

Is Yalgoo at risk of flooding?

Based on available data, Yalgoo 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 Yalgoo?

Insurance costs for flood cover in Yalgoo 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 Yalgoo?

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

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

ClimateNest's hazard overlay maps 11% of Yalgoo in high-risk zones for bushfire, with a further 82.8% 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 Yalgoo Safe from Climate Risk?

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