Battling Sydney's Fatberg: Officials Order Sydney Water to Clean Up Malabar Plant

Sydney Water has been ordered by the New South Wales environment watchdog to remove fats from its Malabar wastewater treatment plant, a month after Guardian Australia revealed a massive fatberg was responsible for the 'poo balls' that closed beaches last summer. The water corporation isn't sure exactly how big the fatberg is, as it can't easily access the area where it has accumulated - it could be as large as four Sydney buses.

The order from the environment watchdog comes after a recent Guardian Australia investigation revealed the true extent of the fatberg issue at the Malabar plant. Environment officials say Sydney Water is 'responsible for ensuring it doesn't pollute our beautiful beaches'.

The fatberg, a congealed mass of fats, oils, grease and other non-biodegradable items, has been slowly building up in the plant's infrastructure. As it continues to grow, pieces of the fatberg break off and flow out into the ocean, creating the 'poo balls' that have repeatedly forced the closure of popular beaches like Bondi.

Sydney Water has acknowledged the problem, but says it's difficult to access and remove the fatberg due to its sheer size and location deep within the plant's pipes and infrastructure. The utility is working on a plan to tackle the issue, but in the meantime the environment watchdog has stepped in to demand immediate action.

This is not the first time Sydney has dealt with a fatberg crisis. In 2019, a 300-meter fatberg was discovered beneath the streets of the city, requiring extensive work to break it up and remove it. Fatbergs are a growing problem for water utilities around the world as increased fat, oil and grease disposal down drains combines with non-biodegradable items like wet wipes to clog critical infrastructure.

The Malabar wastewater treatment plant is a crucial facility for Sydney, processing up to 240 million liters of sewage per day. With the fatberg continuing to expand, there are concerns about the plant's ability to function properly and the downstream environmental impacts.

Sydney Water says it is working to address the issue, but the environment watchdog has made it clear that more needs to be done to protect the city's beaches and waterways. The battle against the Malabar fatberg is just the latest chapter in the ongoing fight against these growing infrastructure challenges.