Flood Risk in Edithburgh, SA: 2026 Assessment

Edithburgh, South Australia· UNKNOWN
Edithburgh faces a moderate risk of flooding, primarily from heavy rainfall events and storm surges. Low-lying areas are particularly vulnerable.Updated 2 Apr 2026

Flood Risk Score

4.0/10

Edithburgh faces a moderate risk of flooding, primarily from heavy rainfall events and storm surges. Low-lying areas are particularly vulnerable.

Key Facts

Flood Risk
Edithburgh faces a moderate risk of flooding, primarily from heavy rainfall events and storm surges. Low-lying areas are particularly vulnerable.
Trend
increasing
Suburb
Edithburgh, SA
Overall Risk
Medium
Postcode
5583
Highest high-risk exposure
8.9% of land (surface flood)

Flood Risk Analysis

Edithburgh, 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.

Low-lying areas near the coast are most vulnerable to flooding.

Edithburgh faces a moderate risk of flooding, primarily from heavy rainfall events and storm surges. Low-lying areas are particularly vulnerable.

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.

Edithburgh sits within ClimateNest's suburb-level hazard model for flood risk. 3.3% of the suburb's land area is mapped in high-risk flood zones and 67.9% 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 Edithburgh.

Edithburgh (postcode 5583) 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 surface flood (8.9% of land in high-risk zones), bushfire (8.2% of land in high-risk zones), extreme wind (3.4% of land in high-risk zones). Exposure is not uniform across Edithburgh — 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 WaterwaySpencer Gulf
Elevation Range0-10 meters
Flood Zone ClassificationCoastal Flood Zone

Historical Events

2016
Minor

Heavy rainfall caused localized flooding in low-lying areas of Edithburgh.

Adaptation & Mitigation Actions

Upgrade coastal defenses

Immediate

Invest in seawalls, breakwaters, and other coastal defenses to protect against sea level rise and storm surges.

Est. cost: High

Improve drainage infrastructure

Near-term

Upgrade drainage systems to cope with increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Develop a heatwave management plan

Immediate

Implement a plan to protect vulnerable residents during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Low

Relocate vulnerable infrastructure

Long-term

Consider relocating critical infrastructure away from high-risk coastal areas.

Est. cost: Very High

Promote water conservation

Near-term

Encourage residents and businesses to conserve water to reduce the strain on water resources during droughts.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 2 April 2026

Explore Edithburgh Risk Reports

Frequently Asked Questions

Is Edithburgh at risk of flooding?

Based on available data, Edithburgh 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 Edithburgh?

Insurance costs for flood cover in Edithburgh 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 Edithburgh?

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

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

ClimateNest's hazard overlay maps 8.9% of Edithburgh in high-risk zones for surface flood, with a further 76.2% 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 Edithburgh Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Edithburgh, South Australia, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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