Shoalhaven City Council have commissioned Cardno to undertake a Floodplain Risk Management Study for the Bomaderry Township and its surrounds. Bomaderry Creek is a major tributary of the Shoalhaven River joining between Nowra Bridge and Pig Island. The creek catchment lies on the northern side of the river system and its confluence with the Shoalhaven River is located in the township of Bomaderry. Bomaderry Creek has a number of tributaries including Good Dog Creek, Browns Creek and Tapitallee Creek. The upper catchment consists of steep, heavily vegetated lands from the mountain plateau in the northwest consisting of Cambewarra Mountain and Browns Mountain. The central portion of the catchment comprises broad floodplain with predominantly rural land use and where all major tributaries merge to form Bomaderry Creek.
The study has been undertaken to define the existing flooding behaviour and associated hazards of the study area, and to investigate possible mitigation options to reduce flood damage and risk. The tasks were undertaken alongside community consultation to ensure that community concerns were addressed. The overall objective of this study is to develop a Floodplain Risk Management Plan to present the proposals resulting from the Floodplain Risk Management Study. The plan describes how the land in the study area is to be used and managed to meet the defined objectives of the Floodplain Risk Management Study.