๐Ÿ“ฎ Heyfield postcode: 3858

Flood Risk in Heyfield, VIC: 2026 Assessment

Heyfield, Victoriaยท Wellingtonยท 3858
Heyfield is located near the Thomson River and is susceptible to flooding. Increased rainfall intensity could exacerbate flood risk.Updated 9 Mar 2026

Flood Risk Score

6.5/10

Heyfield is located near the Thomson River and is susceptible to flooding. Increased rainfall intensity could exacerbate flood risk.

Key Facts

Flood Risk
Heyfield is located near the Thomson River and is susceptible to flooding. Increased rainfall intensity could exacerbate flood risk.
Trend
increasing
Suburb
Heyfield, VIC
Overall Risk
Medium
Postcode
3858
Highest high-risk exposure
19.7% of land (bushfire)

Flood Risk Analysis

Heyfield, located in Victoria, 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 Victoria.

The Thomson River has a history of flooding in the Heyfield area.

Heyfield is located near the Thomson River and is susceptible to flooding. Increased rainfall intensity could exacerbate 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.

Heyfield sits within ClimateNest's suburb-level hazard model for flood risk. 7% of the suburb's land area is mapped in high-risk flood zones and 86.5% 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 Heyfield.

Heyfield (postcode 3858) 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 (19.7% of land in high-risk zones), surface flood (11.3% of land in high-risk zones), riverine flood (7% of land in high-risk zones). Exposure is not uniform across Heyfield 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 WaterwayThomson River
Elevation Range50-70m
Flood Zone ClassificationLikely

Historical Events

2022
Moderate

Significant rainfall caused flooding in the Thomson River, affecting Heyfield.

2011
Moderate

The Thomson River flooded, impacting low-lying areas of Heyfield.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in improved drainage infrastructure and flood levees to protect properties from flooding.

Est. cost: High

Develop a Heatwave Management Plan

Immediate

Implement a heatwave management plan to protect vulnerable populations during extreme heat events.

Est. cost: Medium

Bushfire Preparedness

Near-term

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

Est. cost: Medium

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce the strain on water resources during periods of drought.

Est. cost: Low

Council & Emergency Services

Wellington Shire Council
Emergency Services

Data last updated: 9 March 2026

Explore Heyfield Risk Reports

Frequently Asked Questions

Is Heyfield at risk of flooding?

Based on available data, Heyfield 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 Heyfield?

Insurance costs for flood cover in Heyfield 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 Heyfield?

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

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

ClimateNest's hazard overlay maps 19.7% of Heyfield in high-risk zones for bushfire, with a further 51% 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 Heyfield Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Heyfield, Victoria, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections