Water pollution

Volunteers repel invaders at town freshwater lake

Swimmers warned after harmful algae found in lake

Warning against swimming after sewage spill

Government says water company investigations have increased

Plan to help revitalise town's freshwater lake

'Our paddleboards come out brown, it's disgusting'

Hundreds turn out for paddle out sewage protests

Farmers say NI pollution proposals 'out of touch'

Water testing under way as bathing season begins

Water firm profits double as it hikes bills

Water centre gets £11m refurb for cleaner rivers

Water testing starts at Devon and Cornwall beaches

How firms are coping one year after water parasite

Damaged pipes blamed for surge in sewage alerts

Quality testing of Jersey's seawater to begin

Polluted airport water 'destroyed my unborn lambs'

Water quality monitors moved after activist tests

Campaign launched to help fund litter-eating drone

Thames Water hopeful of sewage flooding solution

Judge to decide chicken farm river complaints

Ozone gas to clean river in UK-first £20m project

Water bosses could now face jail for cover-ups

River Teifi ranks UK's fifth most polluted river