๐Ÿ“ฎ Howlong postcode: 2640

Flood Risk in Howlong, NSW: 2026 Assessment

Howlong, New South Walesยท Federationยท 2640
Howlong faces a moderate risk of flooding due to its proximity to the Murray River and local creeks. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.Updated 5 May 2026

Flood Risk Score

6.5/10

Howlong faces a moderate risk of flooding due to its proximity to the Murray River and local creeks. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.

Key Facts

Flood Risk
Howlong faces a moderate risk of flooding due to its proximity to the Murray River and local creeks. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.
Trend
increasing
Suburb
Howlong, NSW
Overall Risk
Medium
Postcode
2643
Highest high-risk exposure
7.9% of land (bushfire)

Flood Risk Analysis

Howlong, 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 events have impacted Howlong, particularly areas close to the river. Council maintains flood maps and provides guidance for residents.

Howlong faces a moderate risk of flooding due to its proximity to the Murray River and local creeks. Climate change is expected to increase the frequency and intensity of heavy rainfall events, 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.

Howlong sits within ClimateNest's suburb-level hazard model for flood risk. 7.7% of the suburb's land area is mapped in high-risk flood zones and 82.4% 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 Howlong.

Howlong (postcode 2643) 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 (7.9% of land in high-risk zones), riverine flood (7.7% of land in high-risk zones), surface flood (6.9% of land in high-risk zones). Exposure is not uniform across Howlong 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 WaterwayMurray River
Elevation Range137m - 145m
Flood Zone ClassificationAreas adjacent to the Murray River are designated as flood zones.

Historical Events

2012
Moderate

The Murray River experienced moderate flooding, impacting low-lying areas in Howlong.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in levees and drainage systems to protect properties from flooding.

Est. cost: High

Develop Heatwave Action Plan

Immediate

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

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Provide education and resources to residents on bushfire safety, including creating firebreaks and developing evacuation plans.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage residents and businesses to conserve water to mitigate the impacts of drought and reduced rainfall.

Est. cost: Low

Council & Emergency Services

Federation Council
Emergency Services

Data last updated: 5 May 2026

Explore Howlong Risk Reports

Frequently Asked Questions

Is Howlong at risk of flooding?

Based on available data, Howlong 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 Howlong?

Insurance costs for flood cover in Howlong 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 Howlong?

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

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

ClimateNest's hazard overlay maps 7.9% of Howlong in high-risk zones for bushfire, with a further 67.7% 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 Howlong Safe from Climate Risk?

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