Flood Risk in Marlo Merrican, NSW: 2026 Assessment

Marlo Merrican, New South Wales· UNKNOWN
Marlo Merrican faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by the proximity to waterways and low-lying areas.Updated 10 May 2026

Flood Risk Score

6.5/10

Marlo Merrican faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by the proximity to waterways and low-lying areas.

Key Facts

Flood Risk
Marlo Merrican faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by the proximity to waterways and low-lying areas.
Trend
increasing
Suburb
Marlo Merrican, NSW
Overall Risk
Medium

Flood Risk Analysis

Marlo Merrican, 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 past inundation in low-lying areas.

Marlo Merrican faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by the proximity to waterways and 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.

Local Hazard Evidence

Nearest WaterwayLocal River
Elevation Range5-15m
Flood Zone ClassificationPartially within flood zone

Historical Events

2022
Major

Severe flooding event resulted in widespread inundation and evacuations.

2011
Moderate

Major flooding event caused significant damage to property and infrastructure.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage infrastructure and implement flood barriers to protect properties from inundation.

Est. cost: High

Bushfire Risk Reduction

Immediate

Implement vegetation management programs and create firebreaks to reduce the risk of bushfires.

Est. cost: Medium

Heatwave Preparedness

Near-term

Develop a heatwave early warning system and provide cooling centers for vulnerable populations.

Est. cost: Low

Coastal Erosion Management

Long-term

Implement coastal protection measures such as seawalls and beach nourishment to reduce erosion.

Est. cost: Very High

Community Education Programs

Immediate

Educate residents about climate risks and adaptation strategies through workshops and outreach programs.

Est. cost: Low

Council & Emergency Services

Local Council
Emergency Services

Data last updated: 10 May 2026

Explore Marlo Merrican Risk Reports

Frequently Asked Questions

Is Marlo Merrican at risk of flooding?

Based on available data, Marlo Merrican 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 Marlo Merrican?

Insurance costs for flood cover in Marlo Merrican 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 Marlo Merrican?

Yes, flood risk can affect property values in Marlo Merrican. 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 Marlo Merrican?

Elevation is a critical factor in flood risk. Properties at higher elevations within Marlo Merrican 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 Marlo Merrican Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Marlo Merrican, 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