๐Ÿ“ฎ Oakdale postcode: 2570

Flood Risk in Oakdale, NSW: 2026 Assessment

Oakdale, New South Walesยท Wollondilly Shire Councilยท 2570
Oakdale 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 30 May 2026

Flood Risk Score

6.0/10

Oakdale 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
Oakdale 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
Oakdale, NSW
Overall Risk
Medium
Postcode
2570
Highest high-risk exposure
20.6% of land (bushfire)

Flood Risk Analysis

Oakdale, 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 Oakdale has experienced flooding in the past, and future events are likely to be more severe.

Oakdale 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.

Oakdale sits within ClimateNest's suburb-level hazard model for flood risk. 11.8% of the suburb's land area is mapped in high-risk flood zones and 64.5% 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 Oakdale.

Oakdale (postcode 2570) 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 (20.6% of land in high-risk zones), riverine flood (11.8% of land in high-risk zones), surface flood (4.4% of land in high-risk zones). Exposure is not uniform across Oakdale โ€” 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 WaterwayNepean River
Elevation Range200-250m
Flood Zone ClassificationAreas near the Nepean River are prone to flooding.

Historical Events

2013
Moderate

Heavy rainfall caused flash flooding in Oakdale, impacting local roads and businesses.

1967
Moderate

Major flooding of the Nepean River caused widespread damage in the Wollondilly Shire, including Oakdale.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

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

Est. cost: High

Implement Bushfire Mitigation Measures

Immediate

Reduce fuel loads around properties and improve bushfire preparedness.

Est. cost: Medium

Develop Heatwave Preparedness Plans

Near-term

Establish cooling centers and provide support for vulnerable populations during heatwaves.

Est. cost: Low

Strengthen Building Codes

Long-term

Incorporate climate resilience measures into building codes to protect new developments from extreme weather events.

Est. cost: Medium

Council & Emergency Services

Wollondilly Shire Council
Emergency Services

Data last updated: 30 May 2026

Explore Oakdale Risk Reports

Frequently Asked Questions

Is Oakdale at risk of flooding?

Based on available data, Oakdale has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Oakdale?

Insurance costs for flood cover in Oakdale 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 Oakdale?

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

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

ClimateNest's hazard overlay maps 20.6% of Oakdale in high-risk zones for bushfire, with a further 69.4% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Oakdale Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Oakdale, New South Wales, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections