Louth County Council confirm source of strong odour on Dublin Road

A strong and unpleasant odour lingering in parts of Dundalk this week has prompted a wave of complaints from local residents, particularly those living along the Dublin Road and in the Dowdallshill area.

Cllr. Robert Nash addressed the issue publicly confirming that the source of the smell is the spreading of biosolids, a type of organic fertiliser derived from treated sewage sludge.

In a statement shared on social media, Cllr. Nash said he had received "multiple calls" from concerned locals distressed by the potent smell. After contacting the Environmental Section of Louth County Council, he confirmed that the activity is permitted and is being carried out in accordance with strict environmental regulations.

“Biosolids are treated sewerage sludge mixed with other materials to create a nutrient-rich organic fertiliser. In truth, it is treated human waste, hence the extremely strong, potent smell,” Cllr. Nash explained.

According to Cllr. Nash, anyone wishing to use biosolids must obtain prior permission from Louth County Council. Conditions include taking soil samples, submitting a nutrient management plan, testing for heavy metals, maintaining adequate buffer distances from residential properties and schools, and immediately ploughing in the biosolids to reduce odours.

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Louth County Council has confirmed that the appropriate application process was followed in this case and that all relevant safety and environmental protocols are being observed.

Spraying was expected to conclude by yesterday evening, Wednesay with hopes that the odour will dissipate shortly thereafter.