Flood Risk in Tyalgum Creek, NSW: 2026 Assessment

Tyalgum Creek, New South Wales· UNKNOWN
Tyalgum Creek is at moderate risk of flooding due to its proximity to waterways and low-lying areas. Heavy rainfall events can cause rivers and creeks to overflow, impacting residential and agricultural areas.Updated 28 May 2026

Flood Risk Score

6.5/10

Tyalgum Creek is at moderate risk of flooding due to its proximity to waterways and low-lying areas. Heavy rainfall events can cause rivers and creeks to overflow, impacting residential and agricultural areas.

Key Facts

Flood Risk
Tyalgum Creek is at moderate risk of flooding due to its proximity to waterways and low-lying areas. Heavy rainfall events can cause rivers and creeks to overflow, impacting residential and agricultural areas.
Trend
increasing
Suburb
Tyalgum Creek, NSW
Overall Risk
Medium
Postcode
2484
Highest high-risk exposure
9.1% of land (riverine flood)

Flood Risk Analysis

Tyalgum Creek, located in New South Wales, 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 New South Wales.

Historical flood data indicates that properties near the creek are most vulnerable.

Tyalgum Creek is at moderate risk of flooding due to its proximity to waterways and low-lying areas. Heavy rainfall events can cause rivers and creeks to overflow, impacting residential and agricultural 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.

Tyalgum Creek sits within ClimateNest's suburb-level hazard model for flood risk. 9.1% of the suburb's land area is mapped in high-risk flood zones and 68.1% 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 Tyalgum Creek.

Tyalgum Creek (postcode 2484) 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 riverine flood (9.1% of land in high-risk zones), surface flood (9% of land in high-risk zones), bushfire (8.8% of land in high-risk zones). Exposure is not uniform across Tyalgum Creek — 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 WaterwayTyalgum Creek
Elevation Range200-300m
Flood Zone ClassificationModerate

Historical Events

2022
Moderate

Heavy rainfall caused Tyalgum Creek to flood, impacting low-lying areas and disrupting traffic.

2017
Minor

Minor flooding occurred along Tyalgum Creek after a period of heavy rainfall.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as levees, drainage improvements, and flood-proofing of buildings.

Est. cost: High

Enhance Bushfire Preparedness

Near-term

Implement bushfire mitigation measures, such as clearing vegetation around properties, creating firebreaks, and developing community evacuation plans.

Est. cost: Medium

Develop Heatwave Response Plan

Immediate

Establish a heatwave response plan to protect vulnerable populations, including cooling centers, public awareness campaigns, and outreach programs.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation practices to reduce water stress during periods of drought and heatwaves.

Est. cost: Low

Community Education Programs

Near-term

Implement community education programs to raise awareness about climate change risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

Tweed Shire Council
Emergency Services

Data last updated: 28 May 2026

Explore Tyalgum Creek Risk Reports

Frequently Asked Questions

Is Tyalgum Creek at risk of flooding?

Based on available data, Tyalgum Creek 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 Tyalgum Creek?

Insurance costs for flood cover in Tyalgum Creek 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 Tyalgum Creek?

Yes, flood risk can affect property values in Tyalgum Creek. 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 Tyalgum Creek?

Elevation is a critical factor in flood risk. Properties at higher elevations within Tyalgum Creek 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 Tyalgum Creek is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 9.1% of Tyalgum Creek in high-risk zones for riverine flood, with a further 68.1% 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 Tyalgum Creek Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Tyalgum Creek, New South Wales, 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