Rebates and assistance


Rainwater tank rebate

Program name:
Rainwater Rewards Program


The Water Corporation Rainwater Rewards Program provides eligible customers, including residential and non-residential properties, schools, not-for-profit property and government owned property, in the Denmark and Walpole regions of Western Australia with rebates of up to $1000 to install or replace a rainwater tank.

The program offers the following rebates.

  • Up to $1000 - new rainwater tank and plumbing with a capacity of 2000L or more that is plumbed in.
  • Up to $500 - plumbing in an existing tank in an existing rainwater tank with a capacity of 2000L or more.
  • Up to $500 - replacing an existing plumbed in tank with a capacity of 2000L or more.


  • save water
  • reduce your water bills
  • reduce your environmental impact

Key eligibility

Rainwater Rewards is available in the following locations:

  • Denmark
  • Walpole

To be eligible for the rainwater tank rebate you must:

  • be the owner of the property where the rainwater tank has been installed
  • be the purchaser of the rainwater tank and the payee of the plumbing expenses
  • submit the completed application form and a copy of the proof of purchase
  • the property must:
    • be located in the towns listed on the Corporation’s website at
    • be one of the following:
                     a) residential property
                     b) non-residential property
                     c) corporate owned property
                     d) charity owned property
                     e) school
                     f) not-for-profit property (such as a sporting club)
                     g) government (federal and state) owned property.

Other terms and conditions may apply.

Next steps

Check your eligibility and apply at:

Water Corporation website