Great Barrier Reef under threat. Water cleanup continues after chemical spill

Thousands of liters of kerosene and bitumen have leaked into Smith’s Creek in northern Queensland. Environmentalists are sounding the alarm, as the toxic substances may flow downstream into the sea. The Great Barrier Reef and nearby mangrove forests are at risk.

We know the cause of the disaster

The spill was reported on Monday by representatives of Boral, a company producing building materials. The company took full responsibility for the incident and apologized for the negative impact on the local community and the environment.

According to a Boral spokesperson, the direct cause of the spill was a safety valve failure. The malfunction was only discovered after the entire plant had been shut down due to a fire at a neighboring industrial facility. The two events were not connected, but it is possible that without this coincidence, the spill could have been even larger. Preliminary estimates suggest that around 10,000 liters of kerosene and bitumen entered the river.

The big cleanup is underway

The Queensland Department of Environment, Science and Innovation (DESI) announced the immediate launch of a water cleanup operation. Boral is also involved in securing the source of the contamination and its removal. All boats that have come into contact with kerosene and bitumen slicks must be cleaned before going out to sea.

The pollution is visible on the water’s surface and has already spread beyond Smith’s Creek, reaching the mangrove forests along the coast. Representatives of Maritime Safety Queensland’s coastal guard are urging boat owners to avoid sailing in these areas until the contamination is removed.

Yesterday, Tanya Murphy, an activist with the Australian Marine Conservation Society, which works to protect the Great Barrier Reef, visited the spill site. I saw patches of pollution stuck to boats in the marina, she reported. In her view, the spill will have a catastrophic impact on the health of local communities and the state of natural ecosystems.

Will the Great Barrier Reef feel the effects?

Smith’s Creek in Cairns flows into Trinity Inlet – a natural channel leading directly to the Great Barrier Reef. Tanya Murphy argues that a spill of dangerous substances so close to Australia’s greatest natural treasure should never have happened.

These concerns are shared by Shannon Bredeson, a representative of the local Cairns and Far North Environment Centre. She points out that the chemicals will damage mangrove roots, reef fish species, and crabs. The latter live in mangrove forests and are a key link in the local ecosystem, binding carbon in the seabed mud. A decline in crab populations could threaten the survival of vast areas of mangroves, which in turn would affect the condition of the entire coastline.

Meanwhile, marine biologist Jodie Rummer from James Cook University warns that the presence of kerosene in the water will be a toxic shock to fish and some invertebrate species. She does not rule out physical damage to gills and coordination disorders. Trinity Inlet serves as a spawning ground where larvae and juvenile stages of many fish and invertebrates develop before moving on to inhabit areas of the Great Barrier Reef. The long-term consequences of the spill are difficult to estimate today, but they could prove catastrophic.

The Australian incident demonstrates the vulnerability of aquatic ecosystems. Just one mistake or industrial failure is enough to threaten the lives of thousands of organisms.

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main photo credit: Manny Moreno/Unsplash