๐Ÿ“ฎ Tawonga South postcode: 3698

Flood Risk in Tawonga South, VIC: 2026 Assessment

Tawonga South, Victoriaยท Alpineยท 3698
Tawonga South faces a moderate risk of flooding due to its proximity to the Kiewa River and surrounding waterways. Intense rainfall events can lead to riverine flooding, impacting properties and infrastructure.Updated 31 May 2026

Flood Risk Score

6.5/10

Tawonga South faces a moderate risk of flooding due to its proximity to the Kiewa River and surrounding waterways. Intense rainfall events can lead to riverine flooding, impacting properties and infrastructure.

Key Facts

Flood Risk
Tawonga South faces a moderate risk of flooding due to its proximity to the Kiewa River and surrounding waterways. Intense rainfall events can lead to riverine flooding, impacting properties and infrastructure.
Trend
increasing
Suburb
Tawonga South, VIC
Overall Risk
Medium
Postcode
3698
Highest high-risk exposure
14.7% of land (bushfire)

Flood Risk Analysis

Tawonga South, located in Victoria, 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 Victoria.

Historical flood events have impacted properties along the Kiewa River.

Tawonga South faces a moderate risk of flooding due to its proximity to the Kiewa River and surrounding waterways. Intense rainfall events can lead to riverine flooding, impacting properties and 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.

Tawonga South sits within ClimateNest's suburb-level hazard model for flood risk. 5.5% of the suburb's land area is mapped in high-risk flood zones and 78.9% 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 Tawonga South.

Tawonga South (postcode 3698) 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 (14.7% of land in high-risk zones), riverine flood (5.5% of land in high-risk zones), surface flood (4.7% of land in high-risk zones). Exposure is not uniform across Tawonga South 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 WaterwayKiewa River
Elevation Range280-320m
Flood Zone ClassificationAreas near the Kiewa River are designated as flood zones.

Historical Events

2012
Moderate

Heavy rainfall caused the Kiewa River to flood, impacting properties in Tawonga South.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood mitigation infrastructure, such as levees and drainage systems, to protect properties from flooding.

Est. cost: High

Bushfire Preparedness

Immediate

Implement bushfire prevention measures, such as fuel reduction burns and community education programs.

Est. cost: Medium

Heatwave Preparedness

Near-term

Develop a heatwave response plan and provide cooling centers for vulnerable residents.

Est. cost: Low

Community Education

Long-term

Raise awareness about climate risks and adaptation measures through community workshops and information campaigns.

Est. cost: Low

Council & Emergency Services

Alpine Shire Council
Emergency Services

Data last updated: 31 May 2026

Explore Tawonga South Risk Reports

Frequently Asked Questions

Is Tawonga South at risk of flooding?

Based on available data, Tawonga South 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 Tawonga South?

Insurance costs for flood cover in Tawonga South 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 Tawonga South?

Yes, flood risk can affect property values in Tawonga South. 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 Tawonga South?

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

ClimateNest's hazard overlay maps 14.7% of Tawonga South in high-risk zones for bushfire, with a further 58% 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 Tawonga South Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Tawonga South, Victoria, 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