๐Ÿ“ฎ Silverwater postcode: 2128

Flood Risk in Silverwater, NSW: 2026 Assessment

Silverwater, New South Walesยท City of Parramattaยท 2128
Silverwater is located near the Parramatta River and Duck River, making it susceptible to flooding. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 13 Apr 2026

Flood Risk Score

6.5/10

Silverwater is located near the Parramatta River and Duck River, making it susceptible to flooding. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Silverwater is located near the Parramatta River and Duck River, making it susceptible to flooding. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Silverwater, NSW
Overall Risk
Medium
Postcode
2128
Highest high-risk exposure
13.7% of land (bushfire)

Flood Risk Analysis

Silverwater, 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 events have impacted Silverwater, particularly along the Parramatta River. The council has implemented floodplain management plans to mitigate flood risks.

Silverwater is located near the Parramatta River and Duck River, making it susceptible to flooding. 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.

Silverwater sits within ClimateNest's suburb-level hazard model for flood risk. 8.6% of the suburb's land area is mapped in high-risk flood zones and 67.5% 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 Silverwater.

Silverwater (postcode 2128) 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 bushfire (13.7% of land in high-risk zones), riverine flood (8.6% of land in high-risk zones), surface flood (4.9% of land in high-risk zones). Exposure is not uniform across Silverwater 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 WaterwayParramatta River, Duck River
Elevation Range5-10 meters
Flood Zone ClassificationPartially within flood zone

Historical Events

2020
Minor

Heavy rainfall caused localized flooding in low-lying areas of Silverwater.

2011
Moderate

Significant rainfall caused flash flooding in Silverwater, affecting industrial areas and disrupting traffic.

1990
Moderate

Major flooding along the Parramatta River impacted Silverwater, causing damage to businesses and infrastructure.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Implement Urban Greening

Near-term

Increase vegetation cover to reduce the urban heat island effect and provide shade.

Est. cost: Low

Develop Heat Action Plan

Immediate

Create a plan to protect vulnerable populations during heatwaves, including cooling centers and community outreach.

Est. cost: Low

Raise Community Awareness

Long-term

Educate residents and businesses about climate risks and adaptation measures.

Est. cost: Low

Strengthen Building Codes

Long-term

Update building codes to ensure new constructions are resilient to flooding and heatwaves.

Est. cost: Medium

Council & Emergency Services

City of Parramatta
Emergency Services

Data last updated: 13 April 2026

Explore Silverwater Risk Reports

Frequently Asked Questions

Is Silverwater at risk of flooding?

Based on available data, Silverwater 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 Silverwater?

Insurance costs for flood cover in Silverwater 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 Silverwater?

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

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

ClimateNest's hazard overlay maps 13.7% of Silverwater in high-risk zones for bushfire, with a further 76.9% 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 Silverwater Safe from Climate Risk?

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