Flood Risk in Mount Knowles, NSW: 2026 Assessment

Mount Knowles, New South Wales· UNKNOWN
Mount Knowles faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby creeks. The risk is expected to increase with climate change.Updated 22 May 2026

Flood Risk Score

4.0/10

Mount Knowles faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby creeks. The risk is expected to increase with climate change.

Key Facts

Flood Risk
Mount Knowles faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby creeks. The risk is expected to increase with climate change.
Trend
increasing
Suburb
Mount Knowles, NSW
Overall Risk
Medium
Postcode
2850
Highest high-risk exposure
21% of land (bushfire)

Flood Risk Analysis

Mount Knowles, 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.

Check local SES for flood warnings and evacuation routes.

Mount Knowles faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby creeks. The risk is expected to increase with climate change.

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.

Mount Knowles sits within ClimateNest's suburb-level hazard model for flood risk. 6.3% of the suburb's land area is mapped in high-risk flood zones and 69.5% 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 Mount Knowles.

Mount Knowles (postcode 2850) 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 (21% of land in high-risk zones), riverine flood (6.3% of land in high-risk zones), extreme wind (4.1% of land in high-risk zones). Exposure is not uniform across Mount Knowles — 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 WaterwayLocal Creeks
Elevation RangeVariable
Flood Zone ClassificationPotentially affected areas near creeks

Historical Events

2016
Moderate

Heavy rainfall caused localized flooding in low-lying areas.

Adaptation & Mitigation Actions

Develop a Bushfire Survival Plan

Immediate

Create a detailed plan for evacuating your property in the event of a bushfire. Clear vegetation around your home and prepare an emergency kit.

Est. cost: Low

Improve Home Cooling

Near-term

Install air conditioning or fans to help stay cool during heatwaves. Insulate your home to reduce heat gain and consider planting shade trees.

Est. cost: Medium

Improve Drainage

Near-term

Ensure that your property has adequate drainage to prevent flooding. Clear gutters and downpipes regularly and consider installing a rainwater tank.

Est. cost: Low

Participate in Community Resilience Programs

Long-term

Get involved in local initiatives to build community resilience to climate change. This could include volunteering with emergency services or participating in community education programs.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 22 May 2026

Explore Mount Knowles Risk Reports

Frequently Asked Questions

Is Mount Knowles at risk of flooding?

Based on available data, Mount Knowles 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 Mount Knowles?

Insurance costs for flood cover in Mount Knowles 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 Mount Knowles?

Yes, flood risk can affect property values in Mount Knowles. 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 Mount Knowles?

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

ClimateNest's hazard overlay maps 21% of Mount Knowles in high-risk zones for bushfire, with a further 56.5% 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 Mount Knowles Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Mount Knowles, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections