๐Ÿ“ฎ Seymour postcode: 3660

Flood Risk in Seymour, VIC: 2026 Assessment

Seymour, Victoriaยท Mitchellยท 3660
Seymour is located near the Goulburn River and is susceptible to flooding. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.Updated 8 Mar 2026

Flood Risk Score

7.0/10

Seymour is located near the Goulburn River and is susceptible to flooding. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.

Key Facts

Flood Risk
Seymour is located near the Goulburn River and is susceptible to flooding. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.
Trend
increasing
Suburb
Seymour, VIC
Overall Risk
Medium
Postcode
3660
Highest high-risk exposure
12.5% of land (bushfire)

Flood Risk Analysis

Seymour, 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.

Historical flood events have impacted residential and commercial areas in Seymour.

Seymour is located near the Goulburn River and is susceptible to flooding. 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.

Seymour sits within ClimateNest's suburb-level hazard model for flood risk. 7.4% of the suburb's land area is mapped in high-risk flood zones and 65.5% 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 Seymour.

Seymour (postcode 3660) 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 (12.5% of land in high-risk zones), riverine flood (7.4% of land in high-risk zones), surface flood (6.5% of land in high-risk zones). Exposure is not uniform across Seymour 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 WaterwayGoulburn River
Elevation Range130-150m
Flood Zone ClassificationAreas along the Goulburn River are designated as flood zones.

Historical Events

2019
Moderate

Flooding along the Goulburn River caused road closures and property damage in Seymour.

2010
Major

Major flooding of the Goulburn River inundated parts of Seymour, causing significant damage to homes and businesses.

Adaptation & Mitigation Actions

Improve Flood Defenses

Immediate

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

Est. cost: High

Develop Heatwave Response Plan

Immediate

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

Est. cost: Medium

Bushfire Preparedness

Near-term

Implement community education programs on bushfire preparedness and property protection measures.

Est. cost: Low

Upgrade Building Codes

Long-term

Update building codes to require new construction to be more resilient to climate change impacts, such as flooding and heatwaves.

Est. cost: Medium

Council & Emergency Services

Mitchell Shire Council
Emergency Services

Data last updated: 8 March 2026

Explore Seymour Risk Reports

Frequently Asked Questions

Is Seymour at risk of flooding?

Based on available data, Seymour 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 Seymour?

Insurance costs for flood cover in Seymour 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 Seymour?

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

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

ClimateNest's hazard overlay maps 12.5% of Seymour in high-risk zones for bushfire, with a further 58.9% 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 Seymour Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Seymour, Victoria, 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