Guidelines for failure impact assessment of water dams (PDF, 389.5KB) have been developed to help owners comply with dam safety conditions and legislation. The assessment identifies:
If a dam is assessed as not having a population at risk, it is not subject to the referable dam provisions.
Category 1 dams, and non-referable dams that exceed the size criteria (requiring them to be failure impact assessed) must be re-assessed at intervals of no less than five years.
A dam meets the size criteria if it’s either:
A failure impact assessment will also need to be carried out if the owner of a non-referable dam either:
Under the Sustainable Planning Act 2009 a development permit is required for all new dams that require a failure impact assessment due to the proposed size and all modifications to existing referable dams which increase storage capacity by more than 10 per cent.
Development permit applications must be made using the forms required by the Integrated Development Assessment System (IDAS) process of the Sustainable Planning Act 2009.
If you have problems downloading any of these documents please contact:
Queensland Water Supply Regulator
PO Box 15456
City East Q 4002