๐Ÿ“ฎ Longwarry postcode: 3816

Flood Risk in Longwarry, VIC: 2026 Assessment

Longwarry, Victoriaยท Cardinia Shire Councilยท 3816
Moderate flood risk due to proximity to waterways and low-lying areas.Updated 28 June 2026

Flood Risk Score

6.0/10

Moderate flood risk due to proximity to waterways and low-lying areas.

Key Facts

Flood Risk
Moderate flood risk due to proximity to waterways and low-lying areas.
Trend
increasing
Suburb
Longwarry, VIC
Overall Risk
Medium
Postcode
3816
Highest high-risk exposure
16.3% of land (bushfire)

Flood Risk Analysis

Longwarry, 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 Tarago River can experience flash flooding after intense rainfall events, impacting low-lying areas near its banks.

Moderate flood risk due to proximity to waterways and low-lying areas.

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.

Longwarry sits within ClimateNest's suburb-level hazard model for flood risk. 5.8% of the suburb's land area is mapped in high-risk flood zones and 81.7% 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 Longwarry.

Longwarry (postcode 3816) 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 (16.3% of land in high-risk zones), riverine flood (5.8% of land in high-risk zones), surface flood (4.3% of land in high-risk zones). Exposure is not uniform across Longwarry 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 WaterwayTarago River
Elevation Range20-60m
Flood Zone ClassificationSome areas adjacent to Tarago River

Historical Events

2022
Major

Widespread flooding across Gippsland, including areas near Longwarry, due to extreme rainfall.

2011
Moderate

Significant flooding occurred along the Tarago River, impacting properties in low-lying areas near Longwarry.

Adaptation & Mitigation Actions

Community Heatwave Plan

Near-term

Develop and promote a community-wide plan for heatwave preparedness, including identifying cooling centres and supporting vulnerable residents.

Est. cost: $

Floodplain Management Review

Near-term

Undertake a review of floodplain management strategies for the Tarago River catchment, focusing on updated rainfall intensity projections.

Est. cost: $$

Bushfire Preparedness Education

Immediate

Increase community education and engagement on bushfire preparedness, including property maintenance and emergency planning.

Est. cost: $

Water Sensitive Urban Design

Long-term

Incorporate Water Sensitive Urban Design (WSUD) principles in new developments to manage stormwater runoff and reduce localised flooding.

Est. cost: $$

Green Infrastructure for Cooling

Near-term

Promote the planting of trees and creation of green spaces within the town to mitigate the urban heat island effect.

Est. cost: $$

Council & Emergency Services

Cardinia Shire Council
Emergency Services

Data last updated: 28 June 2026

Explore Longwarry Risk Reports

Frequently Asked Questions

Is Longwarry at risk of flooding?

Based on available data, Longwarry 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 Longwarry?

Insurance costs for flood cover in Longwarry 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 Longwarry?

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

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

ClimateNest's hazard overlay maps 16.3% of Longwarry in high-risk zones for bushfire, with a further 75.8% 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 Longwarry Safe from Climate Risk?

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