Flood Risk in Rocky Plain, NSW: 2026 Assessment

Rocky Plain, New South Wales· UNKNOWN
Rocky Plain faces a moderate risk of flooding, primarily from heavy rainfall events and potential river overflows. The risk is expected to increase with climate change.Updated 26 May 2026

Flood Risk Score

4.0/10

Rocky Plain faces a moderate risk of flooding, primarily from heavy rainfall events and potential river overflows. The risk is expected to increase with climate change.

Key Facts

Flood Risk
Rocky Plain faces a moderate risk of flooding, primarily from heavy rainfall events and potential river overflows. The risk is expected to increase with climate change.
Trend
increasing
Suburb
Rocky Plain, NSW
Overall Risk
Medium
Postcode
2628
Highest high-risk exposure
23.6% of land (bushfire)

Flood Risk Analysis

Rocky Plain, 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 records indicate past flooding events in the region, particularly during periods of heavy rainfall.

Rocky Plain faces a moderate risk of flooding, primarily from heavy rainfall events and potential river overflows. The risk is expected to increase with climate change.

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.

Rocky Plain sits within ClimateNest's suburb-level hazard model for flood risk. 6.2% of the suburb's land area is mapped in high-risk flood zones and 76.9% 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 Rocky Plain.

Rocky Plain (postcode 2628) 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 (23.6% of land in high-risk zones), surface flood (8.7% of land in high-risk zones), riverine flood (6.2% of land in high-risk zones). Exposure is not uniform across Rocky Plain — 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 WaterwayNumeralla River
Elevation Range700-800m
Flood Zone ClassificationAreas near the Numeralla River are susceptible to flooding.

Historical Events

2016
Moderate

Heavy rainfall caused flooding in low-lying areas, disrupting transport and affecting some properties.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Clear vegetation around properties, develop a bushfire survival plan, and ensure access to water for firefighting.

Est. cost: Low

Enhance Heatwave Resilience

Near-term

Install insulation, improve ventilation, and ensure access to cooling centers during heatwaves. Promote community awareness of heatwave risks.

Est. cost: Medium

Upgrade Flood Defenses

Long-term

Improve drainage infrastructure, elevate homes in flood-prone areas, and implement early warning systems.

Est. cost: High

Promote Water Conservation

Near-term

Implement water-saving measures in homes and businesses to reduce water stress during droughts and heatwaves.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 26 May 2026

Explore Rocky Plain Risk Reports

Frequently Asked Questions

Is Rocky Plain at risk of flooding?

Based on available data, Rocky Plain 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 Rocky Plain?

Insurance costs for flood cover in Rocky Plain 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 Rocky Plain?

Yes, flood risk can affect property values in Rocky Plain. 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 Rocky Plain?

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

ClimateNest's hazard overlay maps 23.6% of Rocky Plain in high-risk zones for bushfire, with a further 61.3% 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 Rocky Plain Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Rocky Plain, 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