Climate Risk in Mypolonga, South Australia

Mypolonga, South Australia
Medium Risk
Updated Mar 2026

Mypolonga faces moderate climate risks, primarily from flooding and heatwaves. The risk of flooding is increasing due to climate change and increased rainfall intensity. Residents should prepare for more frequent and intense heatwaves during summer.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
3.0
Heat
6.0
Coastal
1.0

Climate Hazard Breakdown for Mypolonga

increasing

Flood

65/100

Mypolonga faces a moderate risk of flooding due to its proximity to the Murray River and low-lying areas. Riverine flooding is the primary concern.

Key drivers:

  • ·Increased rainfall intensity
  • ·Riverine overflow
stable

Bushfire

30/100

The bushfire risk in Mypolonga is relatively low compared to other regions in South Australia, but still present due to surrounding vegetation.

Key drivers:

  • ·Dry vegetation
  • ·Windy conditions
increasing

Heat

60/100

Mypolonga experiences high temperatures during summer, leading to a moderate heat risk. Heatwaves are becoming more frequent and intense.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

10/100

Mypolonga is located inland and does not face any direct coastal risks.

stable

Wind

28/100

Moderate wind risk — gusty northerly winds

stable

Storm

24/100

Moderate storm risk — occasional thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

35/100

Moderate energy costs — summer cooling

In-Depth Climate Risk Guides for Mypolonga

Detailed Hazard Analysis

heat Risk

60/100

Mypolonga experiences high temperatures during summer, leading to a moderate heat risk. Heatwaves are becoming more frequent and intense.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect
  • ·Reduced vegetation cover

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

flood Risk

65/100

Mypolonga faces a moderate risk of flooding due to its proximity to the Murray River and low-lying areas. Riverine flooding is the primary concern.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Riverine overflow
  • ·Climate change

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

10/100

Mypolonga is located inland and does not face any direct coastal risks.

Projections (RCP2.6)

2030

1.0

2050

1.0

Data source

bushfire Risk

30/100

The bushfire risk in Mypolonga is relatively low compared to other regions in South Australia, but still present due to surrounding vegetation.

Primary Drivers

  • ·Dry vegetation
  • ·Windy conditions
  • ·Arson

Projections (RCP4.5)

2030

3.2

2050

3.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to the rising risk of flooding and heatwaves.

Price Impact

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

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Ensure adequate insurance coverage.
  • 4.Consider the long-term climate risks.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Murray River
Elevation Range
10-20 meters
Flood Zone
Areas adjacent to the Murray River are prone to flooding.

Historical flood events have impacted Mypolonga, causing damage to property and infrastructure.

View council flood map

Bushfire Evidence

Distance to Bushland
5-10 km
Planning Overlay
CFS Bushfire Prone Area Map
Bushfire Prone Area
Yes

The risk is higher during the summer months when vegetation is dry.

Heat Evidence

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

Elderly residents are particularly vulnerable during heatwaves.

Coastal Evidence

Distance to Coast
100 km
Sea Level Rise Exposure
Not applicable
Erosion Risk
Not applicable

Historical Climate Events

1956
floodMajor

The 1956 Murray River flood was one of the largest on record, causing widespread inundation in Mypolonga and surrounding areas.

Source
2007
droughtModerate

The Millennium Drought severely impacted agricultural production in the Mypolonga region.

Source
2019
heatwaveModerate

Mypolonga experienced a prolonged heatwave with record-breaking temperatures.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5

HazardToday20302050
flood657.0(+0.5)7.5(+1.0)
bushfire303.2(+0.2)3.5(+0.5)
heat606.8(+0.8)7.5(+1.5)
coastal101.01.0

By 2030, Mypolonga is projected to experience an increase in the frequency and intensity of heatwaves and flooding events. Bushfire risk may also increase slightly.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Invest in infrastructure to protect against flooding, such as levees and improved drainage systems.

Est. cost: High

Learn more

Develop a Heat Action Plan

Immediate

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

Est. cost: Medium

Learn more

Enhance Bushfire Preparedness

Long-term

Implement measures to reduce bushfire risk, such as controlled burns and community education programs.

Est. cost: Medium

Learn more

Promote Water Conservation

Near-term

Encourage water conservation practices to mitigate the impacts of drought.

Est. cost: Low

Learn more

About Mypolonga's Climate Risk Profile

Mypolonga, located in South Australia, is susceptible to several climate-related risks. The most significant threat is flooding, particularly from the Murray River. Climate change is expected to increase rainfall intensity, leading to more frequent and severe flooding events.

Heatwaves are another major concern for Mypolonga. The region experiences high temperatures during summer, and climate change is projected to increase the frequency and intensity of heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Bushfire risk is relatively low compared to other parts of South Australia, but it is still a concern, especially during dry periods. Residents should maintain their properties to reduce the risk of fire spreading.

While Mypolonga is not directly exposed to coastal risks, climate change impacts such as sea-level rise can indirectly affect the region through economic and social disruptions.

Data sources: BOM · CSIRO · SA Environment · CFS

Local Government Resources

Frequently Asked Questions

What are the main climate risks facing Mypolonga?

The main climate risks facing Mypolonga are flooding from the Murray River and heatwaves during summer.

How is climate change expected to impact Mypolonga?

Climate change is projected to increase the frequency and intensity of heatwaves and flooding events in Mypolonga.

What can residents do to prepare for climate change?

Residents can prepare for climate change by improving flood defenses, developing a heat action plan, and conserving water.

Where can I find more information about flood risks in Mypolonga?

You can find more information about flood risks on the Mid Murray Council website and the SA Environment website.

Are there any community initiatives to address climate change in Mypolonga?

Check with the Mid Murray Council for information on local community initiatives related to climate change and sustainability.

Get your property's risk report

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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