Flood Risk in Brookong, NSW: 2026 Assessment

Brookong, New South Wales· Federation
Brookong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 31 May 2026

Flood Risk Score

6.5/10

Brookong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Brookong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Brookong, NSW
Overall Risk
Medium
Postcode
2656
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
7.8% of land (surface flood)

Flood Risk Analysis

Brookong, 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 the area has experienced flooding in the past, and future events are likely to be more severe due to climate change.

Brookong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

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.

Brookong sits within ClimateNest's suburb-level hazard model for flood risk. 7.2% of the suburb's land area is mapped in high-risk flood zones and 82.5% 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 Brookong.

On ClimateNest's 0–10 suburb hazard index, Brookong scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Brookong can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Brookong located in Regional NSW (postcode 2656), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Brookong.

Across the six hazard axes ClimateNest models, the dominant climate risk in Brookong is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Brookong, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Brookong are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayMurray River
Elevation Range130-140m
Flood Zone ClassificationAreas near the Murray River are susceptible to flooding.

Historical Events

2020
Minor

Localized flooding occurred after heavy rainfall, causing minor disruptions to traffic and infrastructure.

2012
Moderate

The Murray River experienced moderate flooding, affecting low-lying areas near Brookong.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to better manage increased rainfall and reduce the risk of flooding.

Est. cost: Medium

Develop a Heatwave Management Plan

Immediate

Implement a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Low

Bushfire Risk Mitigation

Near-term

Implement measures to reduce bushfire risk, such as fuel reduction and community education programs.

Est. cost: Medium

Water Conservation Measures

Long-term

Promote water conservation practices to ensure a sustainable water supply during periods of drought and increased demand.

Est. cost: Low

Council & Emergency Services

Federation Council
Emergency Services

Data last updated: 31 May 2026

Explore Brookong Risk Reports

Frequently Asked Questions

Is Brookong at risk of flooding?

Based on available data, Brookong 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 Brookong?

Insurance costs for flood cover in Brookong 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 Brookong?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Brookong 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 are the main climate risks in Brookong?

ClimateNest's suburb model rates Brookong's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Brookong.

What share of Brookong is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 7.8% of Brookong in high-risk zones for surface flood, with a further 84.5% 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 Brookong Safe from Climate Risk?

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