Signs warning people not to swim are in place at almost all of England's official inland river bathing sites due to concerns the water could be unsafe
Southern Water discharged into the sea more than eight hours following a pipe burst.
East Beach at West Bay is officially designated by the government as a bathing water area.
Too much bacteria linked to faeces found at almost all England's designated river bathing sites
The Loughs Agency investigated after pollution was spotted at Tievenny Burn in County Tyrone on 6 May.
Drone footage filmed by the BBC has revealed raw sewage pumped out to sea too close to the shore.
Guernsey Water has come under pressure to do more to warn swimmers and bathers about raw sewage.
The break-in caused the historic motor yacht to sink with some of its fuel leaking into the River Ness.
The public are reminded not to pour oils, paint, concrete or detergent down the drain.
