Flood Risk in Rennie, NSW: 2026 Assessment
Flood Risk Score
6.0/10Rennie faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. The risk is expected to increase due to climate change.
Key Facts
- Flood Risk
- Rennie faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. The risk is expected to increase due to climate change.
- Trend
- increasing
- Suburb
- Rennie, NSW
- Overall Risk
- Medium
- Postcode
- 2646
- Highest high-risk exposure
- 11% of land (riverine flood)
Flood Risk Analysis
Rennie, 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.
Rennie's proximity to the Murray River increases its susceptibility to riverine flooding during periods of heavy rainfall and high river levels.
Rennie faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. The risk is expected to increase due to climate change.
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.
Rennie sits within ClimateNest's suburb-level hazard model for flood risk. 11% of the suburb's land area is mapped in high-risk flood zones and 59.8% 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 Rennie.
Rennie (postcode 2646) 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 (11% of land in high-risk zones), surface flood (6.5% of land in high-risk zones), bushfire (5% of land in high-risk zones). Exposure is not uniform across Rennie — 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
Major flooding along the Murray River impacted Rennie and surrounding areas, causing property damage and displacement.
Heavy rainfall caused localized flooding in low-lying areas of Rennie.
Adaptation & Mitigation Actions
Upgrade Drainage Infrastructure
Near-termInvest in upgrading drainage systems to handle increased rainfall intensity and reduce the risk of flooding.
Est. cost: Medium
Develop Heatwave Preparedness Plan
ImmediateImplement a heatwave preparedness plan to protect vulnerable populations during extreme heat events.
Est. cost: Low
Bushfire Risk Mitigation
Near-termImplement bushfire risk mitigation measures, such as vegetation management and community education programs.
Est. cost: Medium
Community Awareness Programs
Long-termRaise community awareness about climate change risks and adaptation strategies.
Est. cost: Low
Council & Emergency Services
Explore Rennie Risk Reports
View other climate risk assessments for Rennie:
Frequently Asked Questions
Is Rennie at risk of flooding?
Based on available data, Rennie 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 Rennie?
Insurance costs for flood cover in Rennie 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 Rennie?
Yes, flood risk can affect property values in Rennie. 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 Rennie?
Elevation is a critical factor in flood risk. Properties at higher elevations within Rennie 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 Rennie is exposed to high riverine flood risk?
ClimateNest's hazard overlay maps 11% of Rennie in high-risk zones for riverine flood, with a further 59.8% 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 Rennie Safe from Climate Risk?
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