Home Company Information Business Operations
image of construction worker being lowered into underground chamber

Welsh Water’s principal responsibilities are to:

Provide a safe and reliable drinking water supply to its 1.3 million customers, 24 hours a day, 365 days a year, while ensuring its water abstractions and water supply activities do not damage the environment; and

Collect and treat the wastewater produced by households and businesses, together with surface and highway drainage in many places, in a way that safeguards public health and protects the environment.

In this area:

Water Resources

Information about the water we supply.

Leakage

How we’re tackling leakage

Drinking Water Quality

Find out more information about the water quality.

Wastewater Services

Information about our wastewater services and sewer pipe responsibility.

Sewer Flooding

How we are dealing with the problems caused by sewer flooding.