Flood Risk in Warrumbungle, NSW: 2026 Assessment

Warrumbungle, New South Wales· Warrumbungle Shire Council
Warrumbungle faces a moderate risk of flooding, primarily from heavy rainfall events. Local waterways can overflow, impacting low-lying areas.Updated 31 May 2026

Flood Risk Score

6.0/10

Warrumbungle faces a moderate risk of flooding, primarily from heavy rainfall events. Local waterways can overflow, impacting low-lying areas.

Key Facts

Flood Risk
Warrumbungle faces a moderate risk of flooding, primarily from heavy rainfall events. Local waterways can overflow, impacting low-lying areas.
Trend
increasing
Suburb
Warrumbungle, NSW
Overall Risk
High
Postcode
2828
Highest high-risk exposure
11.2% of land (riverine flood)

Flood Risk Analysis

Warrumbungle, located in New South Wales, 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 New South Wales.

Historical flood data indicates that properties close to the river are at higher risk.

Warrumbungle faces a moderate risk of flooding, primarily from heavy rainfall events. Local waterways can overflow, impacting low-lying 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.

Warrumbungle sits within ClimateNest's suburb-level hazard model for flood risk. 11.2% of the suburb's land area is mapped in high-risk flood zones and 79.7% 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 Warrumbungle.

Warrumbungle (postcode 2828) 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 riverine flood (11.2% of land in high-risk zones), bushfire (7.9% of land in high-risk zones), surface flood (5.6% of land in high-risk zones). Exposure is not uniform across Warrumbungle — 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 WaterwayCastlereagh River
Elevation Range250m - 500m
Flood Zone ClassificationAreas near the Castlereagh River are prone to flooding.

Historical Events

2010
Moderate

Significant flooding occurred in the region, impacting local infrastructure and agriculture.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Implement bushfire mitigation strategies, including clearing vegetation around properties and developing evacuation plans.

Est. cost: Low

Develop Heatwave Action Plan

Near-term

Establish a heatwave action plan to protect vulnerable populations, including providing cooling centers and public awareness campaigns.

Est. cost: Medium

Upgrade Flood Defenses

Long-term

Invest in flood mitigation infrastructure, such as levees and improved drainage systems.

Est. cost: High

Enhance Water Security

Near-term

Implement water conservation measures and explore alternative water sources to ensure water security during droughts.

Est. cost: Medium

Council & Emergency Services

Warrumbungle Shire Council
Emergency Services

Data last updated: 31 May 2026

Explore Warrumbungle Risk Reports

Frequently Asked Questions

Is Warrumbungle at risk of flooding?

Based on available data, Warrumbungle 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 Warrumbungle?

Insurance costs for flood cover in Warrumbungle 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 Warrumbungle?

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

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

ClimateNest's hazard overlay maps 11.2% of Warrumbungle in high-risk zones for riverine flood, with a further 79.7% 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 Warrumbungle Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Warrumbungle, New South Wales, 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