Water Pollution

The fate of a rare fish is unknown after heavy rainfall washed mud and sediment from ADCO Constructions' Forest High School site into Curl Curl Creek.

The Environment Protection Authority Victoria have attended a spill at Stony Creek in Yarraville, suspected of being a fluorescent dye used by plumbers.

Remnants of the Millennium drought regulator have been discovered in the only water inlet and outlet of Lake Bonney in SA's Riverland, frustrating locals who say the slab was dangerous to water users.

Authorities initially feared these balls could be made of toxic tar. Further testing from scientists indicated they are closer to 'fatbergs' typically found in sewers. 

The NSW pollution watchdog confirms the presence of chemicals believed to be associated with cancer and immune disorders at a riverside swimming and camping spot.

Foam has been tested at a popular camping spot near Blayney in central west NSW.

The National Health and Medical Research Council has released draft guidelines on limits for four types of "forever chemicals" in drinking water. So how do they compare with other countries such as the US?

NSW Maritime says beaches that closed earlier this week when black spheres known as tar balls washed on shore are now safe to reopen, following health advice and a reduction in their quantity.

A number of Sydney beaches have been closed after hundreds of tar balls washed ashore. But what are tar balls? Where have they come from? And are they dangerous?

Perth home builder Nicheliving to lose its building registration after cutting a deal with WA government.

The Department of Defence says Bullsbrook residents in Perth's east will no longer have to rely on bottled water after PFAS contamination from Pearce air base ruined their tap water, but some say they've heard it all before.

An environment group has launched another legal attack on plans to frack the Beetaloo Basin in an "unprecedented" legal setting arguing the US gas company's project poses unacceptable risks to water.

An ABC investigation has found the 180-hectare property on the Fraser Coast, marketed as part of an "eco-development", has become an alleged pollution time bomb, after being used to illegally dump more than 35,000 tonnes of waste.

A pipe which carries about 150,000 people's waste has burst about 60 metres beneath the Brisbane River, but Urban Utilities says all untreated effluent was contained in an underground tunnel and did not leak.

PFAS chemicals are used in a vast number of waterproof, non-stick and stain-resistant products. But concerns about their environmental and potential health impacts have intensified in recent years.

The ABC can reveal that the state's health authority is now offering local councils help to test for PFAS in drinking water supplies, as scientists flag there is a knowledge gap in the size and spread of "forever chemicals" across the state.

Independent testing finds high levels of unwanted substances in a western NSW river after residents report finding fish covered in sores, but the council says the treated water is safe to drink.

More than 100 tonnes of dead fish have collected in and around the port of Volos in central Greece after a mass die-off linked to extreme weather fluctuations.

The Medlow Dam in the Blue Mountains has been disconnected by WaterNSW as a "precautionary measure" as investigations continue into the presence of PFAS, known as "forever chemicals", in the water. 

Before dawn, Williamstown Beach in Melbourne's inner west is alive with the giggles of those braving the winter seawater, who turn out each day regardless of the weather forecasts, or the warnings issued by Victoria's Environment Protection Agency.