The ring main is about providing London with quality water.

A 20-litre jerrycan of poor quality water has quadrupled in price.

These 'wellfields' provide high quality water with a low cost of treatment.

The greatest gift to this region, given by nature, is an abundance of pure and high quality water.

He expanded the facilities and drilled a spring to provide a supply of good quality water.

Now more applications have developed for heavy industry and power generating who require high quality water.

They are very hardy fish that can live in poor quality water.

These included poor quality water running into the sea from the mainland.

We also support the main objective of fighting for good quality water from an ecological point of view.

Infected fish should be moved into high quality water, where they may recover if their clinical signs are mild.