Flood Risk in Karangi, NSW: 2026 Assessment

Karangi, New South Wales· UNKNOWN
Karangi faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.Updated 4 May 2026

Flood Risk Score

6.5/10

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

Key Facts

Flood Risk
Karangi faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.
Trend
increasing
Suburb
Karangi, NSW
Overall Risk
Medium
Postcode
2450
Highest high-risk exposure
13% of land (surface flood)

Flood Risk Analysis

Karangi, 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.

Local creeks can overflow during heavy rainfall events.

Karangi faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. 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.

Karangi sits within ClimateNest's suburb-level hazard model for flood risk. 4.6% of the suburb's land area is mapped in high-risk flood zones and 74.2% 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 Karangi.

Karangi (postcode 2450) 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 surface flood (13% of land in high-risk zones), bushfire (8.4% of land in high-risk zones), riverine flood (4.6% of land in high-risk zones). Exposure is not uniform across Karangi — 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 WaterwayUnnamed Creek
Elevation Range5-20 meters
Flood Zone ClassificationLow-lying areas near creek

Historical Events

2013
Moderate

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

Adaptation & Mitigation Actions

Improve flood defenses

Near-term

Construct flood levees and improve drainage systems to protect properties from flooding.

Est. cost: High

Manage vegetation to reduce bushfire risk

Immediate

Clear vegetation around properties and create firebreaks to reduce the risk of bushfires.

Est. cost: Medium

Implement heatwave early warning system

Near-term

Develop a heatwave early warning system to alert residents of impending heatwaves and provide advice on how to stay safe.

Est. cost: Low

Upgrade infrastructure to withstand climate change

Long-term

Upgrade infrastructure such as roads, bridges, and power lines to withstand the impacts of climate change.

Est. cost: Very High

Council & Emergency Services

Coffs Harbour City Council
Emergency Services

Data last updated: 4 May 2026

Explore Karangi Risk Reports

Frequently Asked Questions

Is Karangi at risk of flooding?

Based on available data, Karangi 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 Karangi?

Insurance costs for flood cover in Karangi 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 Karangi?

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

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

ClimateNest's hazard overlay maps 13% of Karangi in high-risk zones for surface flood, with a further 60.8% 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 Karangi Safe from Climate Risk?

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