waste water

In July, Ofwat confirmed it had served formal notices and opened an enforcement case against Welsh Water and three other companies into how they managed waste water treatment works and networks.

Waste water chief Steve Wilson said the equipment monitor flow on the Picton overflow pipe had been fitted before the deadline of regulator NRW.

The Japanese government's announcement last year that it would release treated waste water from the nuclear plant into the Pacific Ocean proved highly controversial, despite having the backing of a United Nations nuclear watchdog.

With reservoir levels down, the Greek authorities have called on the 3.7 million people living in the region not to waste water.

"We don't have the luxury to waste water...at a time when we know with certainty that we will have less," he said.