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States and territories

Rules, rebates and suppliers by state

The volume a tank can reach before it needs approval ranges from 5,000 L in WA to 20,000 L in the ACT. Pick a state for the full picture, with a source for every rule.

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At a glance

StateTank approvalBushfire waterNew homesSuppliers checked
New South WalesExempt up to 10,000 L above ground if Codes SEPP standards are metSet by the development consent under PBP 2019BASIX certificate sets the tank13
QueenslandNo building approval under 10 m², 3.6 m Ø, 2.4 m high, 5 m longNo state table loadedCouncil opt-in, e.g. Toowoomba16
VictoriaNo building permit for free-standing tanks; planning rules by councilBMO: 2,500 to 10,000 L, concrete or metalNone statewide5
South AustraliaApproval only over 10 m² and 4 m highMBS 008: 2,000 to 22,000 L1,000 L plumbed to toilet on new homes4
Western AustraliaBuilding permit over 5,000 LNo state table loadedNone statewide3
TasmaniaAsk council; new tank is Category 2 plumbingNo state table loadedNone statewide2
Northern TerritoryNo planning approval; keep out of firebreaksNo state table loadedNone statewide3
Australian Capital TerritoryNo DA up to 20 kL and 3 m highNo state table loadedNone statewide2

Summaries of the sources on each state page. Local rules and overlays can add conditions. Supplier counts include only suppliers with a checked source.