Flood Risk in Bolong, NSW: 2026 Assessment

Bolong, New South Wales· UNKNOWN
Bolong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 25 May 2026

Flood Risk Score

6.0/10

Bolong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Bolong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Bolong, NSW
Overall Risk
Medium
Postcode
2540
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
9.9% of land (bushfire)

Flood Risk Analysis

Bolong, 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 periodic inundation of properties near the Shoalhaven River.

Bolong faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

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.

Bolong sits within ClimateNest's suburb-level hazard model for flood risk. 9.4% of the suburb's land area is mapped in high-risk flood zones and 70.4% 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 Bolong.

On ClimateNest's 0–10 suburb hazard index, Bolong scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Bolong can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Bolong located in Regional NSW (postcode 2540), 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 Bolong.

Across the six hazard axes ClimateNest models, the dominant climate risk in Bolong 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 Bolong, 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 Bolong are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayShoalhaven River
Elevation Range5-20m
Flood Zone ClassificationLow-lying areas near the river

Historical Events

2020
Major

Significant flooding event impacted Bolong, causing widespread damage and displacement.

2016
Moderate

Flooding along the Shoalhaven River, affecting low-lying properties in Bolong.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Construct levees and improve drainage systems to protect properties from flooding.

Est. cost: High

Implement Heat Action Plan

Immediate

Develop a plan to protect vulnerable residents during heatwaves, including cooling centers and outreach programs.

Est. cost: Medium

Bushfire Risk Reduction

Near-term

Undertake vegetation management and community education programs to reduce bushfire risk.

Est. cost: Medium

Upgrade Building Codes

Long-term

Incorporate climate resilience measures into building codes, such as improved insulation and flood-resistant materials.

Est. cost: High

Council & Emergency Services

Shoalhaven City Council
Emergency Services

Data last updated: 25 May 2026

Explore Bolong Risk Reports

Frequently Asked Questions

Is Bolong at risk of flooding?

Based on available data, Bolong 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 Bolong?

Insurance costs for flood cover in Bolong 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 Bolong?

Yes, flood risk can affect property values in Bolong. 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 Bolong?

Elevation is a critical factor in flood risk. Properties at higher elevations within Bolong 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 Bolong?

ClimateNest's suburb model rates Bolong'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 Bolong.

What share of Bolong is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 9.9% of Bolong in high-risk zones for bushfire, with a further 79.3% 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 Bolong Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Bolong, 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