Owners of a picturesque reservoir in South Wales, known as the 'Blue Lagoon,' are urging the public to stay away following persistent issues with visitor behavior that have led to the site being 'strictly banned' from access. Leisure Estate Investments Ltd, the company that purchased the Brombil Reservoir for £20,000 in 2024, has implemented barriers and an entry fee in an attempt to deter crowds, but these measures have been circumvented by vandals.
The lagoon gained viral popularity during the COVID-19 pandemic, attracting day-trippers who left behind significant litter, caused traffic congestion, and engaged in illegal parking. Residents in the neighboring village of Margam previously expressed frustration over the influx of visitors, some traveling up to 200 miles, who they claimed blighted the area. Locals reported disgusting accumulations of rubbish and dangerous parking situations.
Leisure Estate Investments Ltd has stated its long-term ambition is to develop the site into a public attraction, but this requires substantial private funding. In the interim, the company has imposed a £2 online entry fee, with the threat of a £100 penalty or legal action for non-compliance. Fines of £1,000 are threatened for littering, with surveillance cameras in place to monitor the area. All activities, including swimming, hiking, filming, and camping, are banned without prior consent.
Despite these efforts, visitors have continued to access the site, with some damaging the barriers. The company's latest statement emphasized that access is now strictly prohibited, particularly for walking on the dam face. They highlighted the significant structural, environmental, and financial challenges involved in managing the reservoir, which serves a crucial flood protection role for downstream areas and hosts a unique aquatic ecosystem.
The reservoir's infrastructure requires tens of thousands of pounds for compliance with updated regulations from Natural Resources Wales (NRW) for high-risk dams. The company claims to have sought support from Neath Port Talbot Council and local politicians for funding and preservation efforts but has received no response. Leisure Estate has warned that without public sector support, they may be forced to decommission the reservoir, which would eliminate its flood defense capabilities and destroy a vital ecological habitat.
Neath Port Talbot Council stated that it has offered advice to the owners, emphasizing that as a privately owned site, operational and investment decisions rest with the owner. The council added that any future arrangements must ensure responsible visitor management that does not unduly pressure local communities and expressed openness to further dialogue. A local resident in 2021 described the situation as chaotic and dangerous, noting that the problems began after the location went viral on social media during lockdown.