Flood Risk in Loch, VIC: 2026 Assessment

Loch, located in Victoria, 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 Victoria.

Historical flood events have impacted properties near the Tarwin River. Improved drainage infrastructure is needed to mitigate future risks.

Loch faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Climate change is expected to increase the frequency and intensity of these 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.

Loch sits within ClimateNest's suburb-level hazard model for flood risk. 4.7% of the suburb's land area is mapped in high-risk flood zones and 66.4% 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 Loch.

Loch (postcode 3945) 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 (18.1% of land in high-risk zones), riverine flood (4.7% of land in high-risk zones), surface flood (4.3% of land in high-risk zones). Exposure is not uniform across Loch — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.