Cheshire Oil Refinery Admits Hundreds of Environmental Breaches

A company operating an oil refinery in Cheshire has admitted to breaching environmental regulations almost 500 times, raising serious concerns about pollution, public health, and environmental protection.

Among the offences were four incidents involving the release of cyanide at levels above the legal limit. These discharges entered the Manchester Ship Canal, a nearby river, and a local brook, putting surrounding ecosystems and waterways at risk.

The environmental offences were committed over a period spanning 2018 to 2020. The scale and frequency of the breaches have highlighted ongoing concerns about industrial pollution and regulatory enforcement in the region.

Growing Concerns Over Industrial Pollution in Cheshire

Essar, the company behind the Stanlow oil refinery in Ellesmere Port, has apologised after admitting it broke environmental rules 491 times over four years.

The company pleaded guilty to 12 charges brought by the Environment Agency at Chester Magistrates’ Court. The case is due to return on 14 July for case management at Warrington Magistrates’ Court.

A spokeswoman for Essar said the company “takes its responsibilities for wastewater management extremely seriously” and has taken steps to “address the causes of these breaches”.

She added: “The company accepts the enforcement action being taken by the Environment Agency for these historic breaches and regrets and apologises for these incidents.

“There were no reports of environmental contamination, or impact on wildlife during the time of these breaches.”

This case adds to wider concerns about the environmental impact of heavy industry in Cheshire and the need for stronger accountability when pollution incidents affect rivers, canals, and local communities.

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At Natural World Fund, we believe strong environmental protections are essential to safeguarding the UK’s rivers, waterways, and wildlife. Cases like this highlight the importance of holding polluters to account and ensuring industry operates responsibly. Protecting nature means defending the places wildlife depends on — and pushing for a cleaner, healthier future for communities and the natural world alike.