📮 Cumborah postcode: 2832

Flood Risk in Cumborah, NSW: 2026 Assessment

Cumborah, New South Wales· Walgett· 2832
Cumborah faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase with climate change.Updated 29 May 2026

Flood Risk Score

4.5/10

Cumborah faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase with climate change.

Key Facts

Flood Risk
Cumborah faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase with climate change.
Trend
increasing
Suburb
Cumborah, NSW
Overall Risk
Medium
Postcode
2832
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
10.8% of land (surface flood)

Flood Risk Analysis

Cumborah, 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 periodic inundation of low-lying areas.

Cumborah faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. 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.

Cumborah sits within ClimateNest's suburb-level hazard model for flood risk. 5.2% of the suburb's land area is mapped in high-risk flood zones and 76.4% 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 Cumborah.

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

Cumborah located in Regional NSW (postcode 2832), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Cumborah.

Across the six hazard axes ClimateNest models, the dominant climate risk in Cumborah is extreme heat (score 6/10), 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 Cumborah, 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 Cumborah are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayBarwon River
Elevation Range150-160m
Flood Zone ClassificationLow to moderate risk areas identified

Historical Events

2012
Moderate

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

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Construct levees and improve drainage systems to protect properties from flooding.

Est. cost: High

Enhance Bushfire Preparedness

Immediate

Implement bushfire management plans and create firebreaks around properties.

Est. cost: Medium

Develop Heatwave Response Plan

Near-term

Establish cooling centers and provide support for vulnerable populations during heatwaves.

Est. cost: Low

Promote Water Conservation

Long-term

Implement water restrictions and encourage water-efficient practices to address drought conditions.

Est. cost: Low

Council & Emergency Services

Walgett Shire Council
Emergency Services

Data last updated: 29 May 2026

Explore Cumborah Risk Reports

Frequently Asked Questions

Is Cumborah at risk of flooding?

Based on available data, Cumborah 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 Cumborah?

Insurance costs for flood cover in Cumborah 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 Cumborah?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Cumborah 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 Cumborah?

ClimateNest's suburb model rates Cumborah's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Cumborah.

What share of Cumborah is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 10.8% of Cumborah in high-risk zones for surface flood, with a further 71.3% 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 Cumborah Safe from Climate Risk?

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