Flood Risk in Wongungarra, VIC: 2026 Assessment

Wongungarra, Victoria· Alpine
Wongungarra faces a moderate risk of flooding due to its proximity to rivers and creeks. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.Updated 31 May 2026

Flood Risk Score

6.5/10

Wongungarra faces a moderate risk of flooding due to its proximity to rivers and creeks. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.

Key Facts

Flood Risk
Wongungarra faces a moderate risk of flooding due to its proximity to rivers and creeks. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.
Trend
increasing
Suburb
Wongungarra, VIC
Overall Risk
High
Postcode
3862
Highest high-risk exposure
8.9% of land (bushfire)

Flood Risk Analysis

Wongungarra, 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 data indicates that the area has experienced several moderate to major flood events in the past.

Wongungarra faces a moderate risk of flooding due to its proximity to rivers and creeks. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe 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.

Wongungarra sits within ClimateNest's suburb-level hazard model for flood risk. 2.6% of the suburb's land area is mapped in high-risk flood zones and 81% 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 Wongungarra.

Wongungarra (postcode 3862) 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 (8.9% of land in high-risk zones), surface flood (8.5% of land in high-risk zones), extreme wind (6.3% of land in high-risk zones). Exposure is not uniform across Wongungarra — 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 WaterwayWongungarra River
Elevation Range400-600m
Flood Zone ClassificationAreas near the Wongungarra River are prone to flooding.

Historical Events

2012
Moderate

Heavy rainfall caused the Wongungarra River to flood, inundating low-lying areas and disrupting transport.

Adaptation & Mitigation Actions

Develop a community bushfire preparedness plan

Immediate

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

Est. cost: Low

Improve drainage infrastructure to mitigate flood risk

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 to vulnerable residents during heatwaves.

Est. cost: Low

Promote water conservation measures

Long-term

Encourage residents to conserve water to reduce the strain on water resources during dry periods.

Est. cost: Low

Undertake regular fuel reduction activities

Immediate

Reduce fuel loads around properties and in surrounding bushland to minimise bushfire risk.

Est. cost: Medium

Council & Emergency Services

Alpine Shire Council
Emergency Services

Data last updated: 31 May 2026

Explore Wongungarra Risk Reports

Frequently Asked Questions

Is Wongungarra at risk of flooding?

Based on available data, Wongungarra 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 Wongungarra?

Insurance costs for flood cover in Wongungarra 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 Wongungarra?

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

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

ClimateNest's hazard overlay maps 8.9% of Wongungarra in high-risk zones for bushfire, with a further 65.1% 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 Wongungarra Safe from Climate Risk?

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