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Installing a rainwater tank to collect water from your roof reduces the need for tap water and helps protect rivers and streams.

Rainwater can be used for toilet flushing, clothes washing, evaporative coolers and gardening. Drinking rain water is not recommended.

Rainwater Collection

Save up to 60,000 litres per year by collecting your rainwater, equating to $135.

Based on a 2,000 litre tank in the Willowdale area connected to 150m2 of catchment area plumbed to the toilet/s, laundry and garden. No mains water top up of tank i.e. rainwater only used. 600 litres/day water usage. Water price - $2.276/kL

Useful Links


Bureau of Meteorology

Sydney Water - Using Water Wisely