Tweed Shire News
Raising Clarrie Hall Dam wall vital to securing the Tweed’s water supply
Raising Clarrie Hall Dam wall vital to securing the Tweed’s water supply
TWEED Shire Council hope to raise the Clarrie Hall Dam wall by 8.5 metres, making it a height of 70 metres.
Increasing the height would triple the storage capacity of the dam to about 42,300 megalitres and secure the Tweed’s water supply until at least 2065.
Work to prepare an Environmental Impact Statement (EIS) for the proposal is continuing, with Council recently appointing consulting firm KBR to complete the EIS.
Should the proposal gain all NSW and Australian Government approvals, and Council decides to proceed, construction to raise the dam wall is expected to start in late 2026.
Director of Engineering David Oxenham said the EIS was earmarked for lodgement with the NSW Department of Planning and Environment in the first half of next year.
“By lodging the EIS, the proposal to raise the dam wall will progress one step closer to gaining NSW Government approvals,” Mr Oxenham said.
“But first, a registered environmental assessment practitioner must declare the EIS complete, accurate, of a high quality and easy to understand.
KBR are reviewing the cultural heritage, social impact, aquatic ecology and biodiversity assessments that were undertaken in 2020.
They are also confirming the proposed footprint, re-running flood and flows modelling, reassessing the likely impact of climate change and advising Council on whether additional studies need to be done.
Mr Oxenham said everyone in the Tweed would be given the opportunity to have their say on the completed EIS after the Department of Planning and Environment reviews the EIS.
It is expected this will happen in mid-2024.
At that stage, the draft EIS will be on the Department of Planning and Environment’s website.
Tweed residents and other people interested in the proposal are invited to continue to have their say on the EIS preparations through Council’s Your Say Tweed website.
Mr Oxenham said the project team will soon identify additional opportunities for the community to provide feedback and will make sure the community is kept informed.
To date, community feedback has directly influenced the scope of the proposal and the studies and activities Council has undertaken for the EIS.
Work on the proposal to raise the Clarrie Hall Dam wall began in December 2015, when Council approved the planning phase.
While the EIS is being prepared, Council is continuing to negotiate with private property landowners impacted by the proposal.
Two of 16 properties are yet to be purchased or part purchased.
Go to yoursaytweed.com.au/raisingclarriehall-eis to find out more.
CLARRIE HALL DAM: Work to prepare an Environmental Impact Statement to raise the dam wall by 8.5 metres is underway.
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