Flood Risk in Dondingalong, NSW: 2026 Assessment

Dondingalong, New South Wales· UNKNOWN
Dondingalong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 10 May 2026

Flood Risk Score

6.0/10

Dondingalong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Dondingalong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Dondingalong, NSW
Overall Risk
Medium
Postcode
2440
Region
Coastal NSW
Median property value
$925,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
18.1% of land (bushfire)

Flood Risk Analysis

Dondingalong, located in New South Wales, 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 New South Wales.

Historical flood data indicates that properties near the Hastings River are most vulnerable.

Dondingalong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

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.

Dondingalong sits within ClimateNest's suburb-level hazard model for flood risk. 5.1% of the suburb's land area is mapped in high-risk flood zones and 82.7% 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 Dondingalong.

On ClimateNest's 0–10 suburb hazard index, Dondingalong scores 4 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Dondingalong can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Dondingalong located in Coastal NSW (postcode 2440), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Dondingalong.

Across the six hazard axes ClimateNest models, the dominant climate risk in Dondingalong is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Dondingalong, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Dondingalong are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayHastings River
Elevation Range10-30 meters
Flood Zone ClassificationLow-lying areas near the Hastings River

Historical Events

2013
Moderate

The Hastings River experienced moderate flooding, affecting low-lying areas of Dondingalong.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

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

Est. cost: High

Develop a Heatwave Management Plan

Immediate

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

Est. cost: Medium

Bushfire Preparedness Programs

Near-term

Conduct community workshops and provide resources to help residents prepare for bushfires.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce strain on water resources during droughts and heatwaves.

Est. cost: Low

Council & Emergency Services

Port Macquarie-Hastings Council
Emergency Services

Data last updated: 10 May 2026

Explore Dondingalong Risk Reports

Frequently Asked Questions

Is Dondingalong at risk of flooding?

Based on available data, Dondingalong 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 Dondingalong?

Insurance costs for flood cover in Dondingalong 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 Dondingalong?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Dondingalong 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 are the main climate risks in Dondingalong?

ClimateNest's suburb model rates Dondingalong's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (5/10) and severe storm (5/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Dondingalong.

What share of Dondingalong is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 18.1% of Dondingalong in high-risk zones for bushfire, with a further 56.3% 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 Dondingalong Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Dondingalong, New South Wales, 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