Radon Gas Crisis: 16 UK Prisons Found with Dangerous Cancer-Causing Levels
Unsafe levels of cancer-causing radon gas have been detected in 16 prisons across the United Kingdom, with an additional 33 sites currently under investigation by the Ministry of Justice. This alarming discovery has raised significant health and safety concerns for both inmates and staff, highlighting a potential public health crisis within the prison system.
Closure and Legal Action at HMP Dartmoor
HMP Dartmoor was forced to close in 2024 after radon levels were found to be up to 10 times the recommended limit. This drastic measure has led to a group legal action by former staff and prisoners who are seeking compensation for exposure to the hazardous gas. The case underscores the severe implications of radon contamination in correctional facilities.
Extreme Levels at HMP Exeter
At HMP Exeter, seasonally adjusted radon levels reached 2,750 bq/m³ in 2020, which is over nine times the legal limit for workplaces. Specialists have recommended the suspension of activities in affected areas to mitigate health risks. Approximately 20-25 current prisoners from HMP Exeter, along with a similar number from HMP Lindholme, have contacted a law firm regarding potential radon exposure, reporting symptoms such as wheezing and fatigue.
Response from Authorities
The Prison Service has stated that it actively mitigates radon risks in accordance with health and safety regulations. Meanwhile, the Prison Officers Association is collaborating with Her Majesty's Prison and Probation Service (HMPPS) to ensure ongoing monitoring and the implementation of appropriate controls. However, the scale of the issue suggests that more comprehensive measures may be necessary to address the widespread contamination.
This situation calls for urgent attention to prevent further health hazards and ensure the safety of all individuals within the UK prison system.



