Flood Risk in Kergunyah South, VIC: 2026 Assessment

Kergunyah South, Victoria· Indigo
Kergunyah South faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Local topography can exacerbate the impact of floods.Updated 31 May 2026

Flood Risk Score

4.0/10

Kergunyah South faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Local topography can exacerbate the impact of floods.

Key Facts

Flood Risk
Kergunyah South faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Local topography can exacerbate the impact of floods.
Trend
increasing
Suburb
Kergunyah South, VIC
Overall Risk
Medium
Postcode
3691
Highest high-risk exposure
14.6% of land (bushfire)

Flood Risk Analysis

Kergunyah 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 data indicates localized flooding during periods of heavy rainfall. Council maintains drainage infrastructure, but capacity may be exceeded during extreme events.

Kergunyah South faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Local topography can exacerbate the impact of floods.

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.

Kergunyah South sits within ClimateNest's suburb-level hazard model for flood risk. 4.6% of the suburb's land area is mapped in high-risk flood zones and 72.6% 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 Kergunyah South.

Kergunyah South (postcode 3691) 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 (14.6% of land in high-risk zones), surface flood (6.8% of land in high-risk zones), riverine flood (4.6% of land in high-risk zones). Exposure is not uniform across Kergunyah South — 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 WaterwayIndigo Creek
Elevation Range170-190m
Flood Zone ClassificationLow-lying areas near Indigo Creek

Historical Events

2022
Moderate

Significant rainfall events led to flash flooding and road closures in and around Kergunyah South.

2012
Moderate

Heavy rainfall caused localized flooding in low-lying areas, impacting some residential properties.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade and expand drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Bushfire Mitigation Measures

Immediate

Implement vegetation management programs and promote fire-resistant building practices to reduce bushfire risk.

Est. cost: Medium

Heatwave Preparedness Plan

Near-term

Develop and implement a heatwave preparedness plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Community Awareness Programs

Long-term

Conduct community awareness programs to educate residents about climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

Indigo Shire Council
Emergency Services

Data last updated: 31 May 2026

Explore Kergunyah South Risk Reports

Frequently Asked Questions

Is Kergunyah South at risk of flooding?

Based on available data, Kergunyah South 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 Kergunyah South?

Insurance costs for flood cover in Kergunyah 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 Kergunyah South?

Yes, flood risk can affect property values in Kergunyah 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 Kergunyah South?

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

ClimateNest's hazard overlay maps 14.6% of Kergunyah South in high-risk zones for bushfire, with a further 75.7% 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 Kergunyah South Safe from Climate Risk?

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