Climate Risk in Milang, South Australia

Milang, South Australia· UNKNOWN

Medium Risk

Updated Mar 2026

Milang faces moderate climate risks, primarily related to flooding and heatwaves. The risk scores are projected to increase by 2030 and 2050 under a high emissions scenario, highlighting the need for adaptation measures.

Overall Risk Score

5.2/10

Medium

Confidence: Medium

Hazard Breakdown

Flood

6.5

Bushfire

3.0

Heat

6.0

Coastal

5.0

Detailed Hazard Analysis

heat Risk

6.0/10

Milang is experiencing an increase in the frequency and intensity of heatwaves. This poses a risk to vulnerable populations, especially during summer.

Primary Drivers

·Rising global temperatures
·Urban heat island effect

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

flood Risk

6.5/10

Milang faces a moderate risk of flooding due to its proximity to Lake Alexandrina and low-lying areas. Heavy rainfall events can lead to localized flooding.

Primary Drivers

·Increased rainfall intensity
·Rising lake levels
·Inadequate drainage infrastructure

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

5.0/10

Located near Lake Alexandrina, Milang faces risks associated with rising lake levels and potential erosion. Changes in water levels can impact infrastructure and property.

Primary Drivers

·Sea level rise
·Changes in rainfall patterns
·Erosion

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

bushfire Risk

3.0/10

The risk of bushfire in Milang is relatively low compared to other regions in South Australia, but it's not negligible. Grassfires can occur during dry periods.

Primary Drivers

·Dry vegetation
·High temperatures
·Windy conditions

Projections (RCP8.5)

2030

3.2

2050

3.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in the future due to increased flood and heatwave risks.

Price Impact

Properties in flood-prone areas may experience a decrease in value.

Buyer Checklist

1.Check flood maps and insurance costs.
2.Assess property's vulnerability to heatwaves.
3.Inquire about past flood events.
4.Consider the long-term climate risks.

Local Climate Evidence

Flood Evidence

Nearest Waterway: Lake Alexandrina
Elevation Range: 5-10 meters above sea level
Flood Zone: Areas adjacent to Lake Alexandrina are designated as flood zones.

Bushfire Evidence

Distance to Bushland: Patches of scrubland within 5km
Planning Overlay: CFS Bushfire Prone Area Map
Bushfire Prone Area: Yes

Heat Evidence

Avg January Max Temp: 32.5°C
Heat Stress Days/Year: 3 days

Coastal Evidence

Distance to Coast: 0.5 km
Sea Level Rise Exposure: Low-lying areas near the lake are susceptible to inundation.
Erosion Risk: Moderate erosion risk along the lake foreshore.

Historical Climate Events

2016

floodModerate

Heavy rainfall caused localized flooding in Milang, impacting several properties near Lake Alexandrina.

Source

2019

heatwaveModerate

A prolonged heatwave in January 2019 resulted in heat stress and health concerns for vulnerable residents.

Source

2023

floodMinor

Minor flooding occurred due to heavy rainfall, affecting some low-lying areas.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP4.5

Hazard	Today	2030	2050
flood	6.5	6.9(+0.4)	7.3(+0.8)
bushfire	3.0	3.1(+0.1)	3.3(+0.3)
heat	6.0	6.5(+0.5)	7.2(+1.2)
coastal	5.0	5.2(+0.2)	5.5(+0.5)

Under a moderate emissions scenario, Milang is projected to experience a slight increase in overall climate risk, with notable increases in flood and heatwave risks.

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

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

Est. cost: Medium

Learn more

Develop a Heat Action Plan

Immediate

Implement a plan to protect vulnerable residents during heatwaves, including cooling centers and community outreach programs.

Est. cost: Low

Learn more

Strengthen Lake Foreshore Protection

Long-term

Implement measures to protect the lake foreshore from erosion and inundation due to rising water levels.

Est. cost: High

Learn more

Community Awareness Programs

Near-term

Educate residents about climate risks and adaptation measures.

Est. cost: Low

Learn more

About Milang's Climate Risk Profile

Milang, located near Lake Alexandrina in South Australia, is vulnerable to several climate change impacts. The primary concerns are increased flooding due to rising lake levels and more intense rainfall events. The town's low-lying areas are particularly susceptible, and existing drainage infrastructure may be insufficient to handle future extreme weather.

Heatwaves are also a growing concern for Milang. As global temperatures rise, the region is expected to experience more frequent and severe heatwaves, posing health risks to residents, especially the elderly and those with pre-existing conditions.

While the risk of bushfire is relatively lower compared to other parts of South Australia, it remains a potential threat, particularly during dry periods. Grassfires can spread quickly and pose a risk to property and lives.

Coastal risks, specifically related to Lake Alexandrina, include erosion and inundation due to rising water levels. These changes can impact infrastructure, property values, and the local ecosystem. Addressing these challenges requires proactive planning and investment in adaptation measures.

Data sources: BOM · CSIRO · SA SES · Alexandrina Council

Local Government Resources

Alexandrina Council

Climate Strategy Flood Maps Emergency Services

Frequently Asked Questions

What are the main climate change risks in Milang?

The main risks are increased flooding due to rising lake levels and more intense rainfall, as well as more frequent and severe heatwaves.

How will climate change affect property values in Milang?

Properties in flood-prone areas may experience a decrease in value due to increased flood risk.

What is the council doing to address climate change in Milang?

The Alexandrina Council is developing and implementing strategies to mitigate and adapt to climate change impacts, including improving drainage infrastructure and raising community awareness.

Where can I find information about flood risks in Milang?

You can find flood maps and information on the Alexandrina Council website and the South Australian State Emergency Service website.

How can I prepare for heatwaves in Milang?

Stay hydrated, seek air-conditioned environments, and check on vulnerable neighbors during heatwaves. Follow the advice of SA Health.

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