Flood Risk in Pialligo, ACT: 2026 Assessment

Pialligo, Australian Capital Territory· UNKNOWN
Pialligo faces a moderate risk of flooding due to its proximity to the Molonglo River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.Updated 2 Apr 2026

Flood Risk Score

6.0/10

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

Key Facts

Flood Risk
Pialligo faces a moderate risk of flooding due to its proximity to the Molonglo River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.
Trend
increasing
Suburb
Pialligo, ACT
Overall Risk
Medium
Postcode
2609
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
13.9% of land (surface flood)

Flood Risk Analysis

Pialligo, located in Australian Capital Territory, 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 Australian Capital Territory.

Historical flood data indicates that areas close to the river have experienced inundation in the past.

Pialligo faces a moderate risk of flooding due to its proximity to the Molonglo 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.

Pialligo sits within ClimateNest's suburb-level hazard model for flood risk. 2.5% of the suburb's land area is mapped in high-risk flood zones and 89.1% 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 Pialligo.

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

Pialligo located in Regional (postcode 2609), is an Australian Capital Territory suburb tracked by ClimateNest. The suburb's median property value is $500,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Pialligo.

Across the six hazard axes ClimateNest models, the dominant climate risk in Pialligo is extreme heat (score 5/10), 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 Pialligo, 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 Pialligo are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayMolonglo River
Elevation Range550-580m
Flood Zone ClassificationAreas near the Molonglo River are prone to flooding.

Historical Events

2011
Moderate

Heavy rainfall caused the Molonglo River to flood, impacting low-lying areas in and around Canberra.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees and improved drainage systems.

Est. cost: High

Enhance Bushfire Preparedness

Near-term

Implement bushfire management strategies, including vegetation clearing and community education programs.

Est. cost: Medium

Develop Heat Action Plan

Immediate

Create a heat action plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water stress during periods of drought and high temperatures.

Est. cost: Low

Council & Emergency Services

ACT Government
Emergency Services

Data last updated: 2 April 2026

Explore Pialligo Risk Reports

Frequently Asked Questions

Is Pialligo at risk of flooding?

Based on available data, Pialligo 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 Pialligo?

Insurance costs for flood cover in Pialligo 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 Pialligo?

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

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

ClimateNest's suburb model rates Pialligo's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Pialligo.

What share of Pialligo is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 13.9% of Pialligo in high-risk zones for surface flood, with a further 68.7% 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 Pialligo Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Pialligo, Australian Capital Territory, 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