๐Ÿ“ฎ Moonan Flat postcode: 2337

Flood Risk in Moonan Flat, NSW: 2026 Assessment

Moonan Flat, New South Walesยท Upper Hunter Shireยท 2337
Moonan Flat is located near the Hunter River and its tributaries, making it susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.Updated 28 May 2026

Flood Risk Score

6.5/10

Moonan Flat is located near the Hunter River and its tributaries, making it susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.

Key Facts

Flood Risk
Moonan Flat is located near the Hunter River and its tributaries, making it susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.
Trend
increasing
Suburb
Moonan Flat, NSW
Overall Risk
Medium
Postcode
2337
Highest high-risk exposure
8.8% of land (riverine flood)

Flood Risk Analysis

Moonan Flat, 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.

The Hunter River regularly floods in this area.

Moonan Flat is located near the Hunter River and its tributaries, making it susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.

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.

Moonan Flat sits within ClimateNest's suburb-level hazard model for flood risk. 8.8% of the suburb's land area is mapped in high-risk flood zones and 78.1% 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 Moonan Flat.

Moonan Flat (postcode 2337) 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 (8.8% of land in high-risk zones), bushfire (8.2% of land in high-risk zones), extreme wind (6.2% of land in high-risk zones). Exposure is not uniform across Moonan Flat 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

Nearest WaterwayHunter River
Elevation Range250-300m
Flood Zone ClassificationYes

Historical Events

2020
Moderate

Heavy rainfall caused the Hunter River to flood again, affecting Moonan Flat.

2007
Moderate

The Hunter River flooded, inundating properties in Moonan Flat.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

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

Est. cost: High

Bushfire Mitigation

Immediate

Implement bushfire mitigation measures, such as clearing vegetation around properties and creating firebreaks.

Est. cost: Medium

Heatwave Preparedness

Near-term

Develop a heatwave preparedness plan and provide cooling centers for vulnerable populations.

Est. cost: Low

Community Education

Long-term

Educate the community about climate change risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Upper Hunter Shire Council
Emergency Services

Data last updated: 28 May 2026

Explore Moonan Flat Risk Reports

Frequently Asked Questions

Is Moonan Flat at risk of flooding?

Based on available data, Moonan Flat 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 Moonan Flat?

Insurance costs for flood cover in Moonan Flat 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 Moonan Flat?

Yes, flood risk can affect property values in Moonan Flat. 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 Moonan Flat?

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

ClimateNest's hazard overlay maps 8.8% of Moonan Flat in high-risk zones for riverine flood, with a further 78.1% 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 Moonan Flat Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Moonan Flat, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections