How to make every drop count
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In South Australia, water is something we’ve all learned to value. As the driest state in Australia - on the driest inhabited continent - it’s no surprise that water conservation is front of mind for homeowners, builders and gardeners alike.
But being water-wise doesn’t mean sacrificing comfort, style or a beautiful backyard. With a little know-how and a few thoughtful choices, it’s possible to create a home that works with the local climate and protects our precious water supplies for generations to come.
Water-efficient gardens
South Australia’s climate can be tough on traditional gardens, but it also presents an opportunity to design outdoor spaces that are beautiful and sustainable. Rather than trying to force lush, thirsty plants to thrive where they don’t belong, a more effective approach is to embrace native and drought-tolerant plant varieties. Plants such as grevillea, kangaroo paw, saltbush and bottlebrush are not only well-suited to our dry conditions but are also fantastic for attracting birds, bees and other wildlife.
A well-designed garden begins with understanding the land and its natural rhythms. Placing plants with similar watering needs together - known as hydrozoning - helps reduce waste and makes maintenance easier. Incorporating organic mulch around garden beds helps lock in moisture, suppress weeds and protect plant roots from temperature extremes. Watering early in the morning or in the evening, when evaporation rates are lowest, ensures that more of the water reaches the roots where it’s needed.
Hardscaping choices can also influence water conservation. Permeable paving - such as gravel, porous bricks or pavers - allows rainwater to soak into the soil rather than running off into stormwater drains. Rain gardens, swales and other natural drainage features can help slow, filter and reuse water within your garden.
Water-wise living inside
Water conservation extends well beyond the garden fence. Small changes inside your home can make a big difference when it comes to reducing water usage.
One of the most important things to do is stay on top of maintenance. A leaking tap or dripping showerhead might not seem like a big deal, but over time, even a slow drip can waste thousands of litres. Likewise, checking for silent leaks in toilets - where water escapes unnoticed from the cistern into the bowl - can prevent significant water loss.
Everyday habits also play a role. Turning off the tap while brushing your teeth, limiting showers to four minutes and only running the dishwasher or washing machine when you have a full load are all simple behaviours that collectively save a huge amount of water. Swapping the hose for a broom when cleaning driveways and patios is another easy switch that avoids unnecessary water use.
Installing a rainwater tank is a great way to harvest rainfall for use in the garden or for toilet flushing if your system is plumbed correctly. Rainwater tanks are now mandatory for new dwellings in most Council areas.
Use water-efficient appliances and fixtures
Modern technology has made it easier than ever to save water without compromising on performance. When selecting appliances and fixtures, it’s worth looking for those that carry the Water Efficiency Labelling and Standards (WELS) label. This Australian government initiative rates products based on their water consumption, with more stars indicating higher efficiency.
As an example, replacing an outdated showerhead with a 4-star rated model can save a typical family up to 50,000 litres per year, all while maintaining strong water pressure. Low-flow taps and aerators also reduce water usage without sacrificing function and are relatively simple to install as retrofits in most homes. A new shower rose should not deliver more than 9L per minute.
Toilets have come a long way in terms of efficiency too. Older single-flush models can use up to 12 litres per flush, whereas dual-flush systems typically use 4.5 litres for a full flush and as little as 3 litres for a half flush.
When it comes to washing machines and dishwashers, front-loading machines tend to be more water-efficient than top-loaders, and newer dishwashers often out-perform handwashing in terms of water and energy use. It’s all about choosing the right products for your home and using them wisely.
Build and renovating with water conservation in mind
Whether you’re planning a new build or undertaking a renovation, water conservation should be considered at every stage of the design process. Working with professionals who understand the South Australian climate and local water restrictions ensures your home isn’t just beautiful, but also built for long-term sustainability.
Incorporating features like grey water systems, rainwater tanks and smart irrigation from the outset can save money, water and hassle down the line. Likewise, selecting materials and products that prioritise efficiency - without compromising on comfort or style - sets your home up for a more sustainable future.
The Association of Building Consultants has members who can provide the right advice to you, so visit our Member page to find out more.
