Flood Risk in Mandemar, NSW: 2026 Assessment

Mandemar, New South Wales· Wingecarribee
Mandemar faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localized flooding.Updated 30 May 2026

Flood Risk Score

6.5/10

Mandemar faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localized flooding.

Key Facts

Flood Risk
Mandemar faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localized flooding.
Trend
increasing
Suburb
Mandemar, NSW
Overall Risk
Medium

Flood Risk Analysis

Mandemar, 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.

Areas near the Wingecarribee River are more prone to flooding.

Mandemar faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localized flooding.

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.

Local Hazard Evidence

Nearest WaterwayWingecarribee River
Elevation Range600-700m
Flood Zone ClassificationLow to Moderate

Historical Events

2016
Moderate

Heavy rainfall caused flooding in low-lying areas, disrupting traffic and damaging property.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Construct levees and improve drainage systems to reduce flood risk.

Est. cost: High

Bushfire Preparedness

Immediate

Implement community education programs and improve bushfire management practices.

Est. cost: Medium

Heatwave Action Plan

Near-term

Develop a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Water Conservation

Long-term

Promote water conservation measures to reduce water stress during droughts and heatwaves.

Est. cost: Low

Council & Emergency Services

Wingecarribee Shire Council
Emergency Services

Data last updated: 30 May 2026

Explore Mandemar Risk Reports

Frequently Asked Questions

Is Mandemar at risk of flooding?

Based on available data, Mandemar 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 Mandemar?

Insurance costs for flood cover in Mandemar 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 Mandemar?

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

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

Is Mandemar Safe from Climate Risk?

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