๐Ÿ“ฎ Mangrove Mountain postcode: 2250

Flood Risk in Mangrove Mountain, NSW: 2026 Assessment

Mangrove Mountain, New South Walesยท Central Coastยท 2250
Mangrove Mountain faces a moderate risk of flooding, primarily from heavy rainfall events and local creek overflows. The risk is expected to increase with climate change.Updated 7 May 2026

Flood Risk Score

4.5/10

Mangrove Mountain faces a moderate risk of flooding, primarily from heavy rainfall events and local creek overflows. The risk is expected to increase with climate change.

Key Facts

Flood Risk
Mangrove Mountain faces a moderate risk of flooding, primarily from heavy rainfall events and local creek overflows. The risk is expected to increase with climate change.
Trend
increasing
Suburb
Mangrove Mountain, NSW
Overall Risk
Medium
Postcode
2250
Highest high-risk exposure
13.6% of land (riverine flood)

Flood Risk Analysis

Mangrove Mountain, 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 Popran Creek have experienced inundation during major rainfall events.

Mangrove Mountain faces a moderate risk of flooding, primarily from heavy rainfall events and local creek 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.

Mangrove Mountain sits within ClimateNest's suburb-level hazard model for flood risk. 13.6% of the suburb's land area is mapped in high-risk flood zones and 71.1% 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 Mangrove Mountain.

Mangrove Mountain (postcode 2250) 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 riverine flood (13.6% of land in high-risk zones), bushfire (12.6% of land in high-risk zones), surface flood (9.1% of land in high-risk zones). Exposure is not uniform across Mangrove Mountain 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 WaterwayPopran Creek
Elevation Range150-400m
Flood Zone ClassificationAreas adjacent to Popran Creek are susceptible to flooding.

Historical Events

2007
Moderate

Heavy rainfall caused flooding in low-lying areas of Mangrove Mountain, impacting several homes.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Implement comprehensive bushfire mitigation measures, including vegetation management, firebreaks, and community education programs.

Est. cost: Medium

Upgrade Drainage Infrastructure

Near-term

Invest in upgrading drainage infrastructure to improve flood resilience and reduce the impact of heavy rainfall events.

Est. cost: High

Develop a Heatwave Management Plan

Near-term

Create a heatwave management plan to protect vulnerable populations during extreme heat events, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation practices to reduce water stress during prolonged dry periods and heatwaves.

Est. cost: Low

Council & Emergency Services

Central Coast Council
Emergency Services

Data last updated: 7 May 2026

Explore Mangrove Mountain Risk Reports

Frequently Asked Questions

Is Mangrove Mountain at risk of flooding?

Based on available data, Mangrove Mountain 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 Mangrove Mountain?

Insurance costs for flood cover in Mangrove Mountain 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 Mangrove Mountain?

Yes, flood risk can affect property values in Mangrove Mountain. 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 Mangrove Mountain?

Elevation is a critical factor in flood risk. Properties at higher elevations within Mangrove Mountain 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 Mangrove Mountain is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 13.6% of Mangrove Mountain in high-risk zones for riverine flood, with a further 71.1% 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 Mangrove Mountain Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Mangrove Mountain, 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