Flood Risk in Moonah, TAS: 2026 Assessment

Moonah, Tasmania· UNKNOWN
Moonah faces a moderate risk of flooding due to its proximity to the Derwent River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.Updated 30 Mar 2026

Flood Risk Score

6.0/10

Moonah faces a moderate risk of flooding due to its proximity to the Derwent River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

Key Facts

Flood Risk
Moonah faces a moderate risk of flooding due to its proximity to the Derwent River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.
Trend
increasing
Suburb
Moonah, TAS
Overall Risk
Medium
Postcode
7009
Highest high-risk exposure
10.1% of land (riverine flood)

Flood Risk Analysis

Moonah, located in Tasmania, 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 Tasmania.

Historical flood events have impacted properties along the river. Council flood maps provide detailed information on flood risk areas.

Moonah faces a moderate risk of flooding due to its proximity to the Derwent River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

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.

Moonah sits within ClimateNest's suburb-level hazard model for flood risk. 10.1% of the suburb's land area is mapped in high-risk flood zones and 73.7% 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 Moonah.

Moonah (postcode 7009) 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 (10.1% of land in high-risk zones), extreme wind (9.6% of land in high-risk zones), bushfire (6.2% of land in high-risk zones). Exposure is not uniform across Moonah — 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 WaterwayDerwent River
Elevation Range5-20 meters
Flood Zone ClassificationAreas near the Derwent River are prone to flooding.

Historical Events

1960
Moderate

Significant flooding occurred in the Derwent River, impacting low-lying areas of Moonah.

Adaptation & Mitigation Actions

Upgrade Flood Defenses

Near-term

Invest in infrastructure to protect against increased flooding, such as levees and improved drainage systems.

Est. cost: High

Develop Heat Action Plans

Immediate

Implement heat action plans to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Medium

Strengthen Coastal Protection

Long-term

Implement measures to protect against coastal erosion and inundation, such as seawalls and beach nourishment.

Est. cost: High

Improve Building Codes

Near-term

Update building codes to ensure new construction is resilient to climate change impacts, such as flooding and heatwaves.

Est. cost: Medium

Council & Emergency Services

Glenorchy City Council
Emergency Services

Data last updated: 30 March 2026

Explore Moonah Risk Reports

Frequently Asked Questions

Is Moonah at risk of flooding?

Based on available data, Moonah 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 Moonah?

Insurance costs for flood cover in Moonah 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 Moonah?

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

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

ClimateNest's hazard overlay maps 10.1% of Moonah in high-risk zones for riverine flood, with a further 73.7% 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 Moonah Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Moonah, Tasmania, 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