๐Ÿ“ฎ Macquarie Hills postcode: 2285

Flood Risk in Macquarie Hills, NSW: 2026 Assessment

Macquarie Hills, New South Walesยท Lake Macquarieยท 2285
Macquarie Hills faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from local waterways.Updated 21 May 2026

Flood Risk Score

6.5/10

Macquarie Hills faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from local waterways.

Key Facts

Flood Risk
Macquarie Hills faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from local waterways.
Trend
increasing
Suburb
Macquarie Hills, NSW
Overall Risk
Medium
Postcode
2285
Highest high-risk exposure
11.5% of land (surface flood)

Flood Risk Analysis

Macquarie Hills, 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.

Some areas may be susceptible to flash flooding during intense rainfall events.

Macquarie Hills faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from local waterways.

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.

Macquarie Hills sits within ClimateNest's suburb-level hazard model for flood risk. 6.3% of the suburb's land area is mapped in high-risk flood zones and 81.6% 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 Macquarie Hills.

Macquarie Hills (postcode 2285) 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 (11.5% of land in high-risk zones), bushfire (11.5% of land in high-risk zones), riverine flood (6.3% of land in high-risk zones). Exposure is not uniform across Macquarie Hills 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 WaterwayCockle Creek
Elevation Range30-80 meters
Flood Zone ClassificationPotentially affected by overland flow

Historical Events

2007
Moderate

Major flooding occurred in the Hunter region, impacting Macquarie Hills with heavy rainfall and some property damage.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

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

Est. cost: Medium

Develop Heatwave Response Plan

Immediate

Implement a plan to protect vulnerable residents during heatwaves, including cooling centers and community outreach.

Est. cost: Low

Bushfire Risk Mitigation

Near-term

Implement bushfire management strategies, including vegetation clearing and community education programs.

Est. cost: Medium

Community Awareness Programs

Long-term

Conduct community workshops and campaigns to raise awareness about climate risks and preparedness measures.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water-saving practices to mitigate drought impacts and ensure water security.

Est. cost: Low

Council & Emergency Services

Lake Macquarie City Council
Emergency Services

Data last updated: 21 May 2026

Explore Macquarie Hills Risk Reports

Frequently Asked Questions

Is Macquarie Hills at risk of flooding?

Based on available data, Macquarie Hills 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 Macquarie Hills?

Insurance costs for flood cover in Macquarie Hills 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 Macquarie Hills?

Yes, flood risk can affect property values in Macquarie Hills. 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 Macquarie Hills?

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

ClimateNest's hazard overlay maps 11.5% of Macquarie Hills in high-risk zones for surface flood, with a further 67.4% 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 Macquarie Hills Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Macquarie Hills, 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