Flood Risk in Casuarina, NT: 2026 Assessment
Flood Risk Score
6.0/10Casuarina faces a moderate risk of flooding, primarily due to its low-lying coastal location and proximity to waterways. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity.
Key Facts
- Flood Risk
- Casuarina faces a moderate risk of flooding, primarily due to its low-lying coastal location and proximity to waterways. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity.
- Trend
- increasing
- Suburb
- Casuarina, NT
- Overall Risk
- Medium
- Postcode
- 0810
- Highest high-risk exposure
- 14% of land (tropical cyclone)
Flood Risk Analysis
Casuarina, located in Northern Territory, 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 Northern Territory.
Significant flooding occurred in 2012 and 2023, impacting properties near Rapid Creek.
Casuarina faces a moderate risk of flooding, primarily due to its low-lying coastal location and proximity to waterways. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity.
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.
Casuarina sits within ClimateNest's suburb-level hazard model for flood risk. 3.8% of the suburb's land area is mapped in high-risk flood zones and 88.1% 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 Casuarina.
Casuarina (postcode 0810) 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 tropical cyclone (14% of land in high-risk zones), extreme wind (11.6% of land in high-risk zones), bushfire (9.1% of land in high-risk zones). Exposure is not uniform across Casuarina 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
Historical Events
Heavy rainfall caused significant flooding in Casuarina, impacting homes and businesses.
Widespread flooding occurred in Darwin, including Casuarina, due to a monsoon event.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade stormwater drainage systems to handle increased rainfall intensity and reduce the risk of flooding.
Est. cost: High
Implement Coastal Protection Measures
Long-termConstruct seawalls and other coastal defenses to protect against sea level rise and coastal erosion.
Est. cost: Very High
Develop Heat Action Plans
ImmediateImplement heat action plans to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Medium
Promote Water Conservation
Near-termEncourage water conservation measures to reduce demand on water resources during periods of drought and heat.
Est. cost: Low
Council & Emergency Services
Explore Casuarina Risk Reports
View other climate risk assessments for Casuarina:
Frequently Asked Questions
Is Casuarina at risk of flooding?
Based on available data, Casuarina 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 Casuarina?
Insurance costs for flood cover in Casuarina 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 Casuarina?
Yes, flood risk can affect property values in Casuarina. 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 Casuarina?
Elevation is a critical factor in flood risk. Properties at higher elevations within Casuarina 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 Casuarina is exposed to high tropical cyclone risk?
ClimateNest's hazard overlay maps 14% of Casuarina in high-risk zones for tropical cyclone, with a further 72.1% 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 Casuarina Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Casuarina, Northern Territory, covering flood, bushfire, sea level rise and more.
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