Flood Risk in Mungo Brush, NSW: 2026 Assessment
Flood Risk Score
6.5/10Mungo Brush faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Increased rainfall intensity could exacerbate this risk.
Key Facts
- Flood Risk
- Mungo Brush faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Increased rainfall intensity could exacerbate this risk.
- Trend
- increasing
- Suburb
- Mungo Brush, NSW
- Overall Risk
- Medium
- Postcode
- 2423
- Highest high-risk exposure
- 18.7% of land (bushfire)
Flood Risk Analysis
Mungo Brush, 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.
Low-lying areas near Myall Lake are particularly vulnerable to flooding.
Mungo Brush faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Increased rainfall intensity could exacerbate this risk.
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.
Mungo Brush sits within ClimateNest's suburb-level hazard model for flood risk. 8.2% of the suburb's land area is mapped in high-risk flood zones and 70% 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 Mungo Brush.
Mungo Brush (postcode 2423) 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 (18.7% of land in high-risk zones), riverine flood (8.2% of land in high-risk zones), surface flood (7.7% of land in high-risk zones). Exposure is not uniform across Mungo Brush — 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
Historical Events
Heavy rainfall caused flooding in low-lying areas, disrupting transport and damaging property.
Adaptation & Mitigation Actions
Develop a Bushfire Management Plan
ImmediateCreate a comprehensive bushfire management plan for your property, including clearing vegetation, maintaining firebreaks, and having an evacuation plan.
Est. cost: Low
Improve Drainage Systems
Near-termEnhance drainage systems to reduce the risk of flooding, including clearing gutters, installing drainage channels, and raising the ground level around buildings.
Est. cost: Medium
Implement Heatwave Preparedness Measures
Near-termInstall insulation, use reflective window coverings, and ensure access to air conditioning or cooling centers during heatwaves. Stay hydrated and avoid strenuous activities during peak heat hours.
Est. cost: Medium
Protect Coastal Areas
Long-termImplement coastal protection measures, such as building seawalls, restoring dunes, and managing coastal development to reduce erosion and inundation risks.
Est. cost: High
Council & Emergency Services
Explore Mungo Brush Risk Reports
View other climate risk assessments for Mungo Brush:
Frequently Asked Questions
Is Mungo Brush at risk of flooding?
Based on available data, Mungo Brush 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 Mungo Brush?
Insurance costs for flood cover in Mungo Brush 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 Mungo Brush?
Yes, flood risk can affect property values in Mungo Brush. 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 Mungo Brush?
Elevation is a critical factor in flood risk. Properties at higher elevations within Mungo Brush 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 Mungo Brush is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 18.7% of Mungo Brush in high-risk zones for bushfire, with a further 53.9% 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 Mungo Brush Safe from Climate Risk?
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