Results for "Water companies regulation water quality pollution"

Water quality in Wales has improved significantly over the past two decades. Find out about bathing water quality near you

Find out about work to improve water quality and how we manage water resources in Wales.

Information about applying for a Water Abstraction or Impoundment Licence

Information about applying for an Environmental Permit/Exemption for water discharges

Find application forms and guidance on applying for environmental permits to discharge to ground or surface water

Find out how we are balancing the amount of water available for people, the economy and the environment.

View the current notices of licence applications to abstract or impound water and find out how to comment.

View the current applications for full licences to abstract or impound water and find out how to comment.

We need to improve the quality of water in Wales’s rivers, streams, lakes, estuaries, coastal waters and groundwaters so that it meets the standards required by the EU Water Framework Directive.

Check water quality near you.

Find out what causes mine water pollution in Wales, its effect on rivers and what we’re doing about it.

Updates to water quality data across Wales which can be downloaded in Excel and viewed as maps.

23 Oct 2025

Natural Resources Wales (NRW) continues to strengthen its regulation of the water industry in Wales, as data from its annual Environmental Performance Assessment report shows another year of disappointing results for Dŵr Cymru Welsh Water.

From plastic pollution to water pollution, here you will find resources to explain how pollution incidents happen, their impacts and effects on both the natural environment and people.