๐Ÿ“ฎ Minnamurra postcode: 2533

Flood Risk in Minnamurra, NSW: 2026 Assessment

Minnamurra, New South Walesยท UNKNOWNยท 2533
Minnamurra faces a moderate risk of flooding due to its proximity to the Minnamurra River and low-lying areas. Increased rainfall intensity could exacerbate flood events.Updated 8 Mar 2026

Flood Risk Score

6.5/10

Minnamurra faces a moderate risk of flooding due to its proximity to the Minnamurra River and low-lying areas. Increased rainfall intensity could exacerbate flood events.

Key Facts

Flood Risk
Minnamurra faces a moderate risk of flooding due to its proximity to the Minnamurra River and low-lying areas. Increased rainfall intensity could exacerbate flood events.
Trend
increasing
Suburb
Minnamurra, NSW
Overall Risk
Medium
Postcode
2533
Highest high-risk exposure
14.1% of land (bushfire)

Flood Risk Analysis

Minnamurra, 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.

The Minnamurra River has a history of flooding, and low-lying areas are particularly vulnerable.

Minnamurra faces a moderate risk of flooding due to its proximity to the Minnamurra River and low-lying areas. Increased rainfall intensity could exacerbate flood events.

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.

Minnamurra sits within ClimateNest's suburb-level hazard model for flood risk. 3.9% 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 Minnamurra.

Minnamurra (postcode 2533) 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 (14.1% of land in high-risk zones), surface flood (10.4% of land in high-risk zones), riverine flood (3.9% of land in high-risk zones). Exposure is not uniform across Minnamurra โ€” 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 WaterwayMinnamurra River
Elevation Range0-30 meters
Flood Zone ClassificationYes

Historical Events

2020
Moderate

Heavy rainfall led to flash flooding in low-lying areas of Minnamurra.

2011
Moderate

Major flooding along the Minnamurra River caused property damage and road closures.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to protect against flooding, such as levees and improved drainage systems.

Est. cost: High

Bushfire Preparedness

Immediate

Implement community education programs and assist residents in preparing their properties for bushfires.

Est. cost: Medium

Heatwave Response Plan

Near-term

Develop a heatwave response plan to protect vulnerable populations during periods of extreme heat.

Est. cost: Low

Coastal Management Strategy

Long-term

Develop a coastal management strategy to address sea level rise and coastal erosion.

Est. cost: High

Council & Emergency Services

Shellharbour City Council
Emergency Services

Data last updated: 8 March 2026

Explore Minnamurra Risk Reports

Frequently Asked Questions

Is Minnamurra at risk of flooding?

Based on available data, Minnamurra has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Minnamurra?

Insurance costs for flood cover in Minnamurra 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 Minnamurra?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Minnamurra 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 Minnamurra is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 14.1% of Minnamurra in high-risk zones for bushfire, with a further 59.1% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Minnamurra Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Minnamurra, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections