Flood Risk in Stannum, NSW: 2026 Assessment

Stannum, New South Wales· UNKNOWN
Stannum faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by local topography and drainage infrastructure.Updated 7 May 2026

Flood Risk Score

4.5/10

Stannum faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by local topography and drainage infrastructure.

Key Facts

Flood Risk
Stannum faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by local topography and drainage infrastructure.
Trend
increasing
Suburb
Stannum, NSW
Overall Risk
Medium
Postcode
2371
Highest high-risk exposure
12.3% of land (bushfire)

Flood Risk Analysis

Stannum, 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.

Local creeks and drainage systems can be overwhelmed during heavy rainfall events.

Stannum faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by local topography and drainage infrastructure.

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.

Stannum sits within ClimateNest's suburb-level hazard model for flood risk. 5.4% of the suburb's land area is mapped in high-risk flood zones and 66.7% 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 Stannum.

Stannum (postcode 2371) 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 (12.3% of land in high-risk zones), surface flood (5.9% of land in high-risk zones), riverine flood (5.4% of land in high-risk zones). Exposure is not uniform across Stannum — 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 WaterwayTributaries of the Severn River
Elevation Range700-800m
Flood Zone ClassificationPotentially affected by local flash flooding

Historical Events

2016
Moderate

Heavy rainfall caused localized flooding in Stannum, affecting some residential areas.

Adaptation & Mitigation Actions

Develop a community bushfire plan

Immediate

Create a plan that outlines evacuation routes, emergency contacts, and property protection measures.

Est. cost: Low

Improve drainage infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Implement a heatwave response plan

Near-term

Establish cooling centers and provide support for vulnerable residents during heatwave events.

Est. cost: Low

Promote water conservation

Long-term

Encourage residents to conserve water to mitigate the impacts of drought and water scarcity.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 7 May 2026

Explore Stannum Risk Reports

Frequently Asked Questions

Is Stannum at risk of flooding?

Based on available data, Stannum 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 Stannum?

Insurance costs for flood cover in Stannum 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 Stannum?

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

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

ClimateNest's hazard overlay maps 12.3% of Stannum in high-risk zones for bushfire, with a further 78.8% 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 Stannum Safe from Climate Risk?

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