Narellan Creek Overland Flood Study (Vol 1) - Flipbook - Page 61
Narellan Creek Catchment
Flood Study
Plate 11
Flood hazard vulnerability curves (NSW Government, 2023)
During the PMF, although some roads would still only experience H1 hazard, many roads
would be exposed to a hazard of H4 or above. This includes sections of Narellan Road,
Narellan Town Centre, Smeaton Grange industrial area, and Mount Annan Marketplace. This
indicates that cars and people in these areas would be exposed to a significant flood risk.
It should be noted that flooding across most of the catchment is