๐Ÿ“ฎ Orangeville postcode: 2570

Flood Risk in Orangeville, NSW: 2026 Assessment

Orangeville, New South Walesยท Wollondillyยท 2570
Orangeville faces a moderate risk of flooding due to its proximity to waterways and undulating terrain. Intense rainfall events can lead to flash flooding.Updated 30 May 2026

Flood Risk Score

6.5/10

Orangeville faces a moderate risk of flooding due to its proximity to waterways and undulating terrain. Intense rainfall events can lead to flash flooding.

Key Facts

Flood Risk
Orangeville faces a moderate risk of flooding due to its proximity to waterways and undulating terrain. Intense rainfall events can lead to flash flooding.
Trend
increasing
Suburb
Orangeville, NSW
Overall Risk
Medium
Postcode
2570
Highest high-risk exposure
11.4% of land (bushfire)

Flood Risk Analysis

Orangeville, 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 creek have been affected in the past.

Orangeville faces a moderate risk of flooding due to its proximity to waterways and undulating terrain. Intense rainfall events can lead to flash flooding.

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.

Orangeville sits within ClimateNest's suburb-level hazard model for flood risk. 6.6% of the suburb's land area is mapped in high-risk flood zones and 77.4% 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 Orangeville.

Orangeville (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 (11.4% of land in high-risk zones), extreme wind (6.8% of land in high-risk zones), surface flood (6.7% of land in high-risk zones). Exposure is not uniform across Orangeville 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 WaterwayLittle Cattai Creek
Elevation Range180-220m
Flood Zone ClassificationAreas near Little Cattai Creek are susceptible to flooding.

Historical Events

2020
Moderate

Heavy rainfall caused flash flooding in parts of Orangeville, leading to road closures and property damage.

2011
Moderate

Major flooding in the Hawkesbury-Nepean region affected Orangeville, causing property damage and road closures.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade local drainage systems to handle increased rainfall intensity and reduce the risk of flash flooding.

Est. cost: Medium

Bushfire Preparedness Planning

Immediate

Develop and implement comprehensive bushfire preparedness plans for individual properties and the community.

Est. cost: Low

Community Heatwave Response Plan

Near-term

Establish a community heatwave response plan to protect vulnerable residents during extreme heat events.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water stress during prolonged dry periods.

Est. cost: Low

Home Hardening

Immediate

Harden homes against bushfire by clearing vegetation, installing ember guards, and using fire-resistant building materials.

Est. cost: Medium

Council & Emergency Services

Wollondilly Shire Council
Emergency Services

Data last updated: 30 May 2026

Explore Orangeville Risk Reports

Frequently Asked Questions

Is Orangeville at risk of flooding?

Based on available data, Orangeville 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 Orangeville?

Insurance costs for flood cover in Orangeville 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 Orangeville?

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

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

ClimateNest's hazard overlay maps 11.4% of Orangeville in high-risk zones for bushfire, with a further 69.1% 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 Orangeville Safe from Climate Risk?

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