Flood Risk in Long Reach, TAS: 2026 Assessment
Flood Risk Score
6.0/10Long Reach faces a moderate risk of flooding, primarily from the Tamar River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.
Key Facts
- Flood Risk
- Long Reach faces a moderate risk of flooding, primarily from the Tamar River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.
- Trend
- increasing
- Suburb
- Long Reach, TAS
- Overall Risk
- Medium
- Postcode
- 7253
- Highest high-risk exposure
- 13.3% of land (surface flood)
Flood Risk Analysis
Long Reach, 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 close to the Tamar River. Council is working on improved drainage infrastructure.
Long Reach faces a moderate risk of flooding, primarily from the Tamar River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.
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.
Long Reach sits within ClimateNest's suburb-level hazard model for flood risk. 9.6% of the suburb's land area is mapped in high-risk flood zones and 71% 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 Long Reach.
Long Reach (postcode 7253) 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 (13.3% of land in high-risk zones), riverine flood (9.6% of land in high-risk zones), bushfire (6.6% of land in high-risk zones). Exposure is not uniform across Long Reach — 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
Historical Events
Significant rainfall caused flooding in low-lying areas along the Tamar River, impacting some residential properties.
Heavy rainfall led to localized flooding and road closures in Long Reach.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.
Est. cost: Medium
Reinforce Coastal Defenses
Near-termConstruct or reinforce seawalls and other coastal defenses to protect against sea level rise and storm surges.
Est. cost: High
Develop Heatwave Preparedness Plans
ImmediateImplement heatwave early warning systems and provide support for vulnerable residents during extreme heat events.
Est. cost: Low
Promote Bushfire Awareness and Preparedness
Near-termEducate residents about bushfire risks and provide guidance on preparing their properties and evacuation plans.
Est. cost: Low
Relocate critical infrastructure
Long-termMove essential services away from flood and coastal inundation zones.
Est. cost: Very High
Council & Emergency Services
Explore Long Reach Risk Reports
View other climate risk assessments for Long Reach:
Frequently Asked Questions
Is Long Reach at risk of flooding?
Based on available data, Long Reach 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 Long Reach?
Insurance costs for flood cover in Long Reach 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 Long Reach?
Yes, flood risk can affect property values in Long Reach. 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 Long Reach?
Elevation is a critical factor in flood risk. Properties at higher elevations within Long Reach 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 Long Reach is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 13.3% of Long Reach in high-risk zones for surface flood, with a further 57.1% 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 Long Reach Safe from Climate Risk?
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