The lake in Hillsborough Forest has become the latest waterway hit by toxic blue-green algae – with warning signs having been erected in recent days.

The Public Health Agency says when environmental conditions are just right (they like warm still water with plenty of nutrients), blue green algae can multiply quickly forming a ‘bloom’.

The Department of Agriculture, Environment and Rural Affairs (Daera) said whilst no reports of blue-green algae at Castlewellan Lake have been received by the Northern Ireland Environment Agency ...

There have been 168 confirmed reports of toxic blue-green algae in waterways across Northern Ireland since May. With public concern growing over the impact of the algae at Lough Neagh, the chief ...

Blue-green algae has been confirmed in more parts of Northern Ireland. Lisburn and Castlereagh City Council said that the lake at Hillsborough Forest Park is currently contaminated with the algae.

TOXIC blue-green algae in Northern Ireland has been reported at least 168 times this year, across more than 30 different locations. A triathlon planned for Saturday at Castlewellan Forest Park in ...

Blue-green algae, which can produce toxins, have been spotted in Lake Monroe and Lake George, and the Florida Department of Health in Volusia County is warning people to take precautions.

New pictures of Ireland's biggest freshwater lake have emerged showing just how far the toxic bacteria has spread across the water body that provides 40 per cent of Northern Ireland's drinking water.

The head of the Northern Ireland Environment Agency said there was no quick fix to the problem, which is impacting Lough Neagh.

Blue-green algae in Northern Ireland Blue-green algae, technically known as cyanobacteria, is a collection of microscopic organisms that are naturally present in lakes and streams.

168 confirmed reports of blue-green algae across Northern Ireland, say officials The head of the Northern Ireland Environment Agency said there was no quick fix to the problem, which is impacting ...