Flood Risk in Sextonville, TAS: 2026 Assessment

Sextonville, Tasmania· UNKNOWN
Sextonville faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity is expected to exacerbate this risk.Updated 19 May 2026

Flood Risk Score

6.5/10

Sextonville faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity is expected to exacerbate this risk.

Key Facts

Flood Risk
Sextonville faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity is expected to exacerbate this risk.
Trend
increasing
Suburb
Sextonville, TAS
Overall Risk
Medium
Postcode
7303
Highest high-risk exposure
10% of land (surface flood)

Flood Risk Analysis

Sextonville, 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 data indicates past events in the region.

Sextonville faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity is expected to exacerbate this 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.

Sextonville sits within ClimateNest's suburb-level hazard model for flood risk. 8.3% of the suburb's land area is mapped in high-risk flood zones and 85.3% 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 Sextonville.

Sextonville (postcode 7303) 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 (10% of land in high-risk zones), riverine flood (8.3% of land in high-risk zones), bushfire (5.8% of land in high-risk zones). Exposure is not uniform across Sextonville — 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 WaterwayLocal creeks and streams
Elevation RangeVaries, some low-lying areas
Flood Zone ClassificationPotentially affected areas near waterways

Historical Events

2022
Major

Significant flooding event impacted the region, causing widespread damage.

2013
Moderate

Heavy rainfall caused flooding in low-lying areas of the region.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees and improved drainage systems.

Est. cost: High

Implement Heat Action Plan

Immediate

Develop a plan to protect vulnerable populations during heatwaves, including cooling centers and community outreach programs.

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Implement measures to reduce bushfire risk, such as vegetation management and community education programs.

Est. cost: Medium

Upgrade Building Codes

Long-term

Update building codes to ensure new buildings are more resilient to climate change impacts, such as flooding and heatwaves.

Est. cost: High

Community Awareness Programs

Immediate

Educate residents about climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 19 May 2026

Explore Sextonville Risk Reports

Frequently Asked Questions

Is Sextonville at risk of flooding?

Based on available data, Sextonville 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 Sextonville?

Insurance costs for flood cover in Sextonville 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 Sextonville?

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

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

ClimateNest's hazard overlay maps 10% of Sextonville in high-risk zones for surface flood, with a further 73.7% 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 Sextonville Safe from Climate Risk?

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