Flood Risk in Adelong, NSW: 2026 Assessment
Flood Risk Score
6.0/10Adelong faces a moderate risk of flooding due to its proximity to the Adelong Creek and surrounding waterways. Intense rainfall events can cause the creek to overflow, impacting low-lying areas.
Key Facts
- Flood Risk
- Adelong faces a moderate risk of flooding due to its proximity to the Adelong Creek and surrounding waterways. Intense rainfall events can cause the creek to overflow, impacting low-lying areas.
- Trend
- increasing
- Suburb
- Adelong, NSW
- Overall Risk
- Medium
- Postcode
- 2729
- Region
- Regional NSW
- Median property value
- $550,000
- Dominant hazard
- extreme heat (6/10)
- Highest high-risk exposure
- 13.9% of land (riverine flood)
Flood Risk Analysis
Adelong, 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 events have impacted properties near the creek. Council maintains drainage infrastructure to mitigate flood risk.
Adelong faces a moderate risk of flooding due to its proximity to the Adelong Creek and surrounding waterways. Intense rainfall events can cause the creek to overflow, impacting 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.
Adelong sits within ClimateNest's suburb-level hazard model for flood risk. 13.9% of the suburb's land area is mapped in high-risk flood zones and 77.4% 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 Adelong.
On ClimateNest's 0–10 suburb hazard index, Adelong scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Adelong can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.
Adelong located in Regional NSW (postcode 2729), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Adelong.
Across the six hazard axes ClimateNest models, the dominant climate risk in Adelong is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.
Whether you are buying, selling or renovating in Adelong, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Adelong are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Significant rainfall led to localized flooding in Adelong, affecting roads and some businesses.
Heavy rainfall caused Adelong Creek to flood, impacting low-lying areas and some residential properties.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termUpgrade drainage infrastructure and construct levees to protect properties from flooding.
Est. cost: Medium
Bushfire Preparedness
ImmediateImplement regular vegetation management programs and support community bushfire awareness initiatives.
Est. cost: Low
Heatwave Action Plan
Near-termDevelop a heatwave action plan to protect vulnerable residents, including establishing cooling centers and providing public health advice.
Est. cost: Low
Water Conservation
Long-termPromote water conservation measures to ensure water security during periods of drought.
Est. cost: Low
Community Education Programs
Long-termImplement community education programs to raise awareness about climate change risks and adaptation strategies.
Est. cost: Low
Council & Emergency Services
Explore Adelong Risk Reports
View other climate risk assessments for Adelong:
Frequently Asked Questions
Is Adelong at risk of flooding?
Based on available data, Adelong 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 Adelong?
Insurance costs for flood cover in Adelong 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 Adelong?
Yes, flood risk can affect property values in Adelong. 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 Adelong?
Elevation is a critical factor in flood risk. Properties at higher elevations within Adelong 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 are the main climate risks in Adelong?
ClimateNest's suburb model rates Adelong's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Adelong.
What share of Adelong is exposed to high riverine flood risk?
ClimateNest's hazard overlay maps 13.9% of Adelong in high-risk zones for riverine flood, with a further 77.4% 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 Adelong Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Adelong, New South Wales, covering flood, bushfire, sea level rise and more.
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Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections