Flood Risk in Longford, TAS: 2026 Assessment

Longford, Tasmania· UNKNOWN
Longford faces a moderate risk of flooding due to its proximity to the Macquarie River. Riverine flooding can inundate low-lying areas.Updated 8 Mar 2026

Flood Risk Score

6.5/10

Longford faces a moderate risk of flooding due to its proximity to the Macquarie River. Riverine flooding can inundate low-lying areas.

Key Facts

Flood Risk
Longford faces a moderate risk of flooding due to its proximity to the Macquarie River. Riverine flooding can inundate low-lying areas.
Trend
increasing
Suburb
Longford, TAS
Overall Risk
Medium
Postcode
7301
Highest high-risk exposure
8.8% of land (surface flood)

Flood Risk Analysis

Longford, located in Tasmania, 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 Tasmania.

Historical flood events have impacted properties near the river.

Longford faces a moderate risk of flooding due to its proximity to the Macquarie River. Riverine flooding can inundate 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.

Longford 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 68.6% 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 Longford.

Longford (postcode 7301) 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 surface flood (8.8% of land in high-risk zones), riverine flood (7% of land in high-risk zones), bushfire (5.6% of land in high-risk zones). Exposure is not uniform across Longford — 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 WaterwayMacquarie River
Elevation Range120-140m
Flood Zone ClassificationAreas near the Macquarie River are prone to flooding.

Historical Events

2016
Moderate

Significant flooding along the Macquarie River impacted Longford, inundating low-lying areas and causing property damage.

2000
Moderate

Flooding along the Macquarie River caused damage to infrastructure and agricultural land.

Adaptation & Mitigation Actions

Upgrade Flood Defenses

Near-term

Invest in improved flood defenses, such as levees and drainage systems, to protect properties and infrastructure from riverine flooding.

Est. cost: High

Implement Bushfire Mitigation Measures

Near-term

Implement bushfire mitigation measures, such as controlled burns and vegetation management, to reduce the risk of bushfires.

Est. cost: Medium

Develop a Heatwave Management Plan

Immediate

Develop a heatwave management plan to protect vulnerable residents during periods of extreme heat, including establishing cooling centers and providing public health advice.

Est. cost: Low

Promote Water Conservation

Long-term

Promote water conservation measures to reduce water demand and ensure water security during periods of drought.

Est. cost: Low

Council & Emergency Services

Northern Midlands Council
Emergency Services

Data last updated: 8 March 2026

Explore Longford Risk Reports

Frequently Asked Questions

Is Longford at risk of flooding?

Based on available data, Longford 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 Longford?

Insurance costs for flood cover in Longford 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 Longford?

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

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

ClimateNest's hazard overlay maps 8.8% of Longford in high-risk zones for surface flood, with a further 79.1% 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 Longford Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Longford, Tasmania, 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