What Are the Benefits of a Water Tank?

The benefits of a rainwater tank include saving money, reducing reliance on mains water, helping the environment, and having a reliable backup supply year-round. According to the Australian Bureau of Statistics, households with rainwater tanks save an average of 30% on mains water in cities and up to 60% in regional areas. That can mean hundreds of dollars off annual water bills.
Financial and Practical Rainwater Tank Benefits
- Lower water bills: Based on Canstar Blue’s 2024 survey, the average Australian household spends between $800 and $1,000 per year on water bills. Using these figures, YourHome.gov estimates the average amount a household can save with a water tank is between $200 and $800 per year, depending on rainfall and how the tank is connected to plumbing.
- Reliable backup supply: A tank provides peace of mind during droughts, water restrictions, or supply interruptions, ensuring you always have water on hand.
- Adds property value: Sustainable homes with water tanks often attract higher resale value. Slimline water tanks are ideal for maintaining outdoor space and visual appeal.
- Softer on appliances: Rainwater’s low mineral content reduces scale build-up in pipes, hot water systems, and washing machines, helping them last longer.
- Better garden health: Free from chlorine and additives, rainwater is gentler on soil and plants, promoting healthier gardens.

Environmental and Community Benefits of Water Tanks
- Reduces stormwater runoff: Helps prevent erosion, flooding, and pollution in local waterways.
- Conserves water resources: Reduces dependence on treated mains water and lowers the energy used in water treatment.
- Supports sustainability: Encourages responsible water use and contributes to long-term water security in your community.
Bushman Tanks Built for Australian Conditions
Since 1989, Bushman Tanks has supplied durable, Australian-made water tanks built to meet or exceed AS/NZS 4766 standards, backed by warranties of up to 10 years. Bushman Tanks help households, businesses, and farms manage water more efficiently, saving money while supporting a sustainable future. This proves that the benefits of a water tank last for years to come.
