๐Ÿ“ฎ Plumpton postcode: 2761

Flood Risk in Plumpton, NSW: 2026 Assessment

Plumpton, New South Walesยท Blacktownยท 2761
Plumpton faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.Updated 1 May 2026

Flood Risk Score

6.5/10

Plumpton faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.

Key Facts

Flood Risk
Plumpton faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.
Trend
increasing
Suburb
Plumpton, NSW
Overall Risk
Medium
Postcode
2761
Highest high-risk exposure
19.8% of land (bushfire)

Flood Risk Analysis

Plumpton, 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 Eastern Creek have experienced flooding in the past.

Plumpton faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and 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.

Plumpton sits within ClimateNest's suburb-level hazard model for flood risk. 6.9% of the suburb's land area is mapped in high-risk flood zones and 75% 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 Plumpton.

Plumpton (postcode 2761) 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 (19.8% of land in high-risk zones), surface flood (13.7% of land in high-risk zones), riverine flood (6.9% of land in high-risk zones). Exposure is not uniform across Plumpton 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 WaterwayEastern Creek
Elevation Range30-50m
Flood Zone ClassificationAreas near Eastern Creek are susceptible to flooding.

Historical Events

2011
Moderate

Significant flooding occurred in Plumpton due to heavy rainfall and overflowing creeks.

1990
Moderate

Heavy rainfall caused flooding in low-lying areas of Plumpton.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

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

Est. cost: High

Implement Heatwave Action Plan

Immediate

Develop and implement a heatwave action plan to protect vulnerable residents during extreme heat events.

Est. cost: Medium

Bushfire Preparedness Programs

Near-term

Conduct community education programs on bushfire preparedness and property maintenance.

Est. cost: Low

Increase Urban Green Space

Long-term

Increase the amount of green space in Plumpton to reduce the urban heat island effect and improve stormwater management.

Est. cost: Medium

Council & Emergency Services

Blacktown City Council
Emergency Services

Data last updated: 1 May 2026

Explore Plumpton Risk Reports

Frequently Asked Questions

Is Plumpton at risk of flooding?

Based on available data, Plumpton 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 Plumpton?

Insurance costs for flood cover in Plumpton 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 Plumpton?

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

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

ClimateNest's hazard overlay maps 19.8% of Plumpton in high-risk zones for bushfire, with a further 52.3% 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 Plumpton Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Plumpton, 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