Flood Risk in Upper Bylong, NSW: 2026 Assessment

Upper Bylong, 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 data indicates that the Bylong River has a history of flooding during periods of heavy rainfall. Recent infrastructure upgrades aim to mitigate some of the flood risk.

Upper Bylong faces a moderate risk of flooding, primarily from the Bylong River and its tributaries. Increased rainfall intensity can lead to flash flooding.

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.

Upper Bylong 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 82.1% 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 Upper Bylong.

Upper Bylong (postcode 2849) 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 (6.3% of land in high-risk zones), surface flood (6.2% of land in high-risk zones), bushfire (6% of land in high-risk zones). Exposure is not uniform across Upper Bylong — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.