Rain barrels and cisterns · South Australia

City of Adelaide Rainwater Tank Incentive

Run by City of Adelaide

OpenLast checked October 22, 2026
What you get
50% up to $5,000 for purchase, installation and plumbing of a rainwater tank
Maximum
$5,000 per household
Who qualifies
People who live, run a business or community group in the City of Adelaide (postcodes 5000 to 5006); tenants need landlord permission; strata needs body corporate approval.
Where
Residents and ratepayers of the City of Adelaide.
Status
Open. 2026-27 scheme (SIS27) open; funding limited by the annual budget.
Type of payment
Rebate
Official program page

What you do

Buy, install and plumb a rainwater tank and claim half the cost back from the City.

Requirements

  • Licensed and accredited installer
  • Plumbing certificates of compliance
  • Itemised receipt showing full payment
  • Apply within 12 months of completion
  • Development Approval may be needed
  • No other City of Adelaide grant for the same item; other grants and discounts deducted first
  • Check the Terms and Conditions for which property types each incentive covers

How to apply

  1. 1Read the Terms and Conditions
  2. 2Optionally pre-commit funding before work with an itemised quote (valid for the current financial year, usually 3 months)
  3. 3Install the tank
  4. 4Apply through the SmartyGrants portal (form SIS27) with receipts and certificates
  5. 5Payment within up to 30 working days of approval

Sources

Last checked October 22, 2026. See something out of date? Tell us.

Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs

Free to cite

Quote it with credit and a link to this page. The amounts and rules come from City of Adelaide's official page, linked above, so check it before you publish.

Source: Sow, “City of Adelaide Rainwater Tank Incentive,” Yard rebates directory, checked October 22, 2026, https://www.usesow.com/rebates/south-australia/adelaide-sis-rainwater-tank-rebate

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