Blue-green algae

Bathing ban at north coast beach is lifted

Pink pond believed to be caused by algae bloom

Lough Neagh 'already dead', says fisherman

Renewed pond warning issued after algae outbreak

Bathing ban at north coast beach over blue-green algae

Warning over harmful algae at county parks

Blue-green algae blight continues as projects aim to tackle blooms

Estate cancels lake activities after algae found

Toxic blue-green algae above warning level in lake

Council losing control of lake after toxic sample

Blue-green algae warning at city pond

Popular lake temporarily shut after algae found

Controversial water quality measures to be reviewed

Dogs banned from lake as blue-green algae spotted

Pond warning issued after blue-green outbreak

Minister 'determined' to chart path for delayed water pollution plan

Toxic blue-green algae found in river

Triathlon entries postponed over blue-green algae in lake

Algae warning at Wales' largest natural lake

Algae warning to visitors at nature reserve

'No surprise' that blue-green algae back in Lough Neagh

Blue-green algae blooms in Martray Lough

Rare early warning of harmful algae in island loch