How can you save water and avoid drainage faults? Rainwater running off a suburban roof into a downpipe during heavy Australian rain (Photo by Koushalya Karthikeyan | Pexels)Wondering how Australian homes can save water and avoid drainage faults? How can you save water and avoid drainage faults? A licensed local team such as DCM Plumbing & Drainage can find leaks and clear blocked drains before they grow. The City of Gold Coast asks residents to reduce their water use as local demand keeps rising.