Flood Risk in Gumeracha, SA: 2026 Assessment

Gumeracha, South Australia· UNKNOWN
Gumeracha faces a moderate risk of flooding due to its location near the Torrens River and other waterways. Intense rainfall events can lead to riverine and flash flooding.Updated 3 Apr 2026

Flood Risk Score

6.0/10

Gumeracha faces a moderate risk of flooding due to its location near the Torrens River and other waterways. Intense rainfall events can lead to riverine and flash flooding.

Key Facts

Flood Risk
Gumeracha faces a moderate risk of flooding due to its location near the Torrens River and other waterways. Intense rainfall events can lead to riverine and flash flooding.
Trend
increasing
Suburb
Gumeracha, SA
Overall Risk
Medium
Postcode
5233
Highest high-risk exposure
10.7% of land (bushfire)

Flood Risk Analysis

Gumeracha, located in South Australia, 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 South Australia.

The Adelaide Hills Council provides information on flood risks and preparedness.

Gumeracha faces a moderate risk of flooding due to its location near the Torrens River and other waterways. Intense rainfall events can lead to riverine and flash flooding.

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.

Gumeracha sits within ClimateNest's suburb-level hazard model for flood risk. 3.1% of the suburb's land area is mapped in high-risk flood zones and 77.9% 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 Gumeracha.

Gumeracha (postcode 5233) 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 (10.7% of land in high-risk zones), extreme wind (5% of land in high-risk zones), surface flood (3.4% of land in high-risk zones). Exposure is not uniform across Gumeracha — 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 WaterwayTorrens River
Elevation Range350-400m
Flood Zone ClassificationAreas near the Torrens River are prone to flooding.

Historical Events

2023
Moderate

Heavy rainfall caused localized flooding in Gumeracha, affecting some properties near the Torrens River.

2007
Moderate

Significant rainfall led to flooding along the Torrens River, impacting low-lying areas in Gumeracha.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as improved drainage systems and flood barriers along the Torrens River.

Est. cost: Medium

Bushfire Preparedness Programs

Immediate

Implement community education programs on bushfire preparedness, including property maintenance and evacuation planning.

Est. cost: Low

Heatwave Early Warning System

Near-term

Develop a heatwave early warning system to alert vulnerable populations and provide guidance on staying safe during extreme heat events.

Est. cost: Low

Community Resilience Planning

Long-term

Engage the community in developing a comprehensive climate resilience plan that addresses the specific risks facing Gumeracha.

Est. cost: Medium

Council & Emergency Services

Adelaide Hills Council
Emergency Services

Data last updated: 3 April 2026

Explore Gumeracha Risk Reports

Frequently Asked Questions

Is Gumeracha at risk of flooding?

Based on available data, Gumeracha 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 Gumeracha?

Insurance costs for flood cover in Gumeracha 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 Gumeracha?

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

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

ClimateNest's hazard overlay maps 10.7% of Gumeracha in high-risk zones for bushfire, with a further 68.3% 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 Gumeracha Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Gumeracha, South Australia, 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