Two sites have been ruled out in the investigation into the fly infestation that has plagued homes and businesses across south Llanelli — but the source still has not been found.
Carmarthenshire Council has issued a detailed update to residents in the Seaside and Morfa areas, where swarms of flies have hit homes, pubs and shops in recent weeks.
The council said inspections of the Trostre Household Waste Recycling Centre and Dŵr Cymru’s Northumberland Pumping Station found no evidence of significant fly activity, poor housekeeping or waste leakage likely to be behind the infestation.
Both sites have effectively been ruled out.
But the council said no definitive source had been identified, and that investigations were continuing.
Officers are still examining several possible sources across the area, including the AMG Resources facility and other sites, the council said.
It stressed it was taking an “evidence-led approach,” with samples of flies, larvae and pupae sent for analysis.
Natural Resources Wales is the environmental permitting authority for the AMG Resources site, and is responsible for regulating compliance with its permit conditions.
The council said it was sharing evidence with Natural Resources Wales, which has inspected the site and continues to monitor conditions.
The authority said it had set up a multi-service response, visiting affected households, monitoring fly activity, and carrying out extra drain cleansing — though it said there was no evidence the drains were contributing.
For residents struggling with the nuisance, the council suggested keeping doors and windows closed or fitting fly screens, storing food waste securely, clearing up pet waste promptly and using fly traps or papers.
It said it would consider requests for help with fly-control products case by case, particularly for vulnerable residents or those significantly affected.
On compensation, the council said it understood residents’ frustration, but that as the cause had not been established it could not comment on whether any claims might arise.
Residents are asked to keep reporting fly activity to the council’s contact centre on 01267 234567 or by email, giving their address, when the problem started and the level of activity.
The infestation has prompted more than 800 residents to join a Facebook group tracking the swarms across Seaside, Morfa and Tyisha.
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