Floodplain Management

Floodplain Studies and Plans for Bogan Gate / Gunningbland, Cookamidgera and Trundle have been adopted. 

Gunningbland and Bogan Gate properties are routinely affected by flooding, extreme events have caused significant land and property damage and required emergency accommodation and SES operations to house displaced residents and provide support for those isolated. A flood study and floodplain risk management study were being delivered for the Gunningbland Creek catchment area and Bogan Gate township to quantify the risk and determine options that may be implemented to reduce the impact of flood water on those communities. It has included assessment of the Sydney to Perth trunk railway line and parallel State Rail to determine the impact of these on flood characteristics and mitigation measures to reduce flood afflux due to these structures. It has also identified "dry areas" for use during flood events and inform SES planning for managing isolated properties during flood events. The additional collection, review and follow up on information from the community post November 2022 flood event, and update of the calibration / validation of flood modelling so there is a match between the observed flooding and modelled flooding.

Cookamidgera properties are routinely affected by flooding, extreme events have caused significant land and property damage and required emergency accommodation and SES operations to house displaced residents and provide support for those isolated. A flood study and floodplain risk management study has been delivered for the Cookamidgera catchment area and Cookamidgera township to quantify the risk and determine options that may be implemented to reduce the impact of flood water on those communities. This will include assessment of the Sydney to Perth trunk railway line and parallel local road network to determine the impact of these on flood characteristics and mitigation measures to reduce flood afflux due to these structures. It will also identify "dry areas" for use during flood events and inform SES planning for managing isolated properties during flood events.

Council adopted the Trundle Flood Mitigation Feasibility Study at its December meeting. This study has been prepared for Parkes Shire Council (Council) in accordance with the New South Wales (NSW) Flood Prone Land Policy and the principles of the Flood Risk Management Manual (DPE, 2023). This Flood Mitigation Feasibility Study provides a further review and design of two flood mitigation measures recommended by the Floodplain Risk Management Study and Plan (FRMSP) for Trundle (Jacobs, 2017), as well as their respective implementation considerations. This Study has been commissioned by Parkes Shire Council with grant funding assistance from the NSW Department of Climate Change, Energy, the Environment and Water (DCCEEW). Management of the of this Flood Mitigation Feasibility Study has been conducted by NSW Public Works (NSWPW).