๐Ÿ“ฎ Tannum Sands postcode: 4680

Flood Risk in Tannum Sands, QLD: 2026 Assessment

Tannum Sands, Queenslandยท Gladstoneยท 4680
Tannum Sands faces a moderate risk of flooding, primarily from heavy rainfall events and proximity to waterways. Climate change is expected to increase the intensity of rainfall, exacerbating flood risk.Updated 2 Apr 2026

Flood Risk Score

6.5/10

Tannum Sands faces a moderate risk of flooding, primarily from heavy rainfall events and proximity to waterways. Climate change is expected to increase the intensity of rainfall, exacerbating flood risk.

Key Facts

Flood Risk
Tannum Sands faces a moderate risk of flooding, primarily from heavy rainfall events and proximity to waterways. Climate change is expected to increase the intensity of rainfall, exacerbating flood risk.
Trend
increasing
Suburb
Tannum Sands, QLD
Overall Risk
Medium
Postcode
4680
Highest high-risk exposure
12.9% of land (riverine flood)

Flood Risk Analysis

Tannum Sands, located in Queensland, 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 Queensland.

Historical flood data indicates that areas along the Boyne River have experienced significant flooding in the past.

Tannum Sands faces a moderate risk of flooding, primarily from heavy rainfall events and proximity to waterways. Climate change is expected to increase the intensity of rainfall, exacerbating flood 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.

Tannum Sands sits within ClimateNest's suburb-level hazard model for flood risk. 12.9% of the suburb's land area is mapped in high-risk flood zones and 79.5% 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 Tannum Sands.

Tannum Sands (postcode 4680) 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 riverine flood (12.9% of land in high-risk zones), surface flood (12.9% of land in high-risk zones), tropical cyclone (12.5% of land in high-risk zones). Exposure is not uniform across Tannum Sands 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 WaterwayBoyne River
Elevation Range0-20 meters
Flood Zone ClassificationAreas near the Boyne River are prone to flooding.

Historical Events

2022
Moderate

Significant rainfall event led to localized flooding and road closures.

2013
Moderate

Heavy rainfall caused flooding in low-lying areas of Tannum Sands.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Construct levees and improve drainage systems to protect low-lying areas from flooding.

Est. cost: High

Implement Bushfire Management

Near-term

Conduct controlled burns and clear vegetation around properties to reduce bushfire risk.

Est. cost: Medium

Develop Heat Action Plan

Immediate

Establish cooling centers and provide public awareness campaigns to protect vulnerable populations during heatwaves.

Est. cost: Low

Enhance Coastal Protection

Long-term

Implement coastal erosion management strategies, such as beach nourishment and seawall construction.

Est. cost: High

Promote Water Conservation

Near-term

Encourage water-efficient landscaping and rainwater harvesting to reduce water demand during droughts.

Est. cost: Low

Council & Emergency Services

Gladstone Regional Council
Emergency Services

Data last updated: 2 April 2026

Explore Tannum Sands Risk Reports

Frequently Asked Questions

Is Tannum Sands at risk of flooding?

Based on available data, Tannum Sands 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 Tannum Sands?

Insurance costs for flood cover in Tannum Sands 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 Tannum Sands?

Yes, flood risk can affect property values in Tannum Sands. 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 Tannum Sands?

Elevation is a critical factor in flood risk. Properties at higher elevations within Tannum Sands 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 Tannum Sands is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 12.9% of Tannum Sands in high-risk zones for riverine flood, with a further 79.5% 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 Tannum Sands Safe from Climate Risk?

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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