Flood Risk in Broughton, QLD: 2026 Assessment

Broughton, Queensland· UNKNOWN
Broughton faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Climate change is expected to increase the intensity of rainfall, potentially exacerbating flood risks.Updated 25 May 2026

Flood Risk Score

6.0/10

Broughton faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Climate change is expected to increase the intensity of rainfall, potentially exacerbating flood risks.

Key Facts

Flood Risk
Broughton faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Climate change is expected to increase the intensity of rainfall, potentially exacerbating flood risks.
Trend
increasing
Suburb
Broughton, QLD
Overall Risk
Medium
Postcode
4820
Highest high-risk exposure
11% of land (tropical cyclone)

Flood Risk Analysis

Broughton, located in Queensland, 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 Queensland.

Check local council flood maps for specific property risks.

Broughton faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Climate change is expected to increase the intensity of rainfall, potentially exacerbating flood risks.

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.

Broughton sits within ClimateNest's suburb-level hazard model for flood risk. 7.2% of the suburb's land area is mapped in high-risk flood zones and 72.9% 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 Broughton.

Broughton (postcode 4820) 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 tropical cyclone (11% of land in high-risk zones), bushfire (8.3% of land in high-risk zones), riverine flood (7.2% of land in high-risk zones). Exposure is not uniform across Broughton — 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 WaterwayLocal creeks and drainage systems
Elevation RangeVaries across the suburb
Flood Zone ClassificationPotentially affected areas near waterways

Historical Events

2022
Major

Significant flooding event impacted the wider region, causing widespread damage and displacement.

2013
Moderate

Heavy rainfall caused localized flooding in low-lying areas of the region.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in improved drainage systems and flood barriers to mitigate flood risks.

Est. cost: Medium

Develop a Heatwave Management Plan

Immediate

Implement a plan to protect vulnerable residents during heatwaves, including cooling centers and community outreach programs.

Est. cost: Low

Enhance Bushfire Preparedness

Near-term

Support community education programs on bushfire safety and assist residents in preparing their properties.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to address potential drought conditions and reduce strain on water resources.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 25 May 2026

Explore Broughton Risk Reports

Frequently Asked Questions

Is Broughton at risk of flooding?

Based on available data, Broughton 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 Broughton?

Insurance costs for flood cover in Broughton 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 Broughton?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Broughton 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 Broughton is exposed to high tropical cyclone risk?

ClimateNest's hazard overlay maps 11% of Broughton in high-risk zones for tropical cyclone, with a further 78.3% 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 Broughton Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Broughton, Queensland, 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