Tree roots are wreaking havoc on South Australia's sewer system, causing a 40% increase in blockages over the past year. This alarming trend has prompted SA Water to take action, urging residents to carefully consider their tree choices. The issue is particularly prevalent in dry conditions, where tree roots seek moisture and infiltrate the sewer network through tiny cracks. This phenomenon is not only costly, with SA Water incurring over $11.3 million in 2024-25 to address these issues, but it also highlights the importance of responsible tree planting. The department recommends a dedicated tree planting guide and an online tool to help residents make informed decisions, ensuring that trees don't invade and destroy the state's sewerage network. However, the challenge remains, as tree roots can cause significant damage, as evidenced by the shocking footage of a 5.5m root system extracted from a water tank. This crisis underscores the need for proactive measures, such as root barriers, to prevent further damage and maintain the health of both the sewer system and the trees themselves.
