20,967 hours of sewage pumped into Pen-y-bont Bro Morgannwg waters last year

This is our narrowest window in a generation to fix a broken system. Your Members can strengthen the Clean Water Bill, but MSs only fight for what we tell them matters. Tell yours to Clean the Bill.

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1,324

Sewage dumps

20,967hrs

Raw sewage discharged

#23/366

National rank for hrs of discharge

* of ranked constituencies in England and Wales — by hours discharged.

Source · Environment Agency EDM (England) + NRW/DataMapWales (Wales); sickness reports: SAS · 1 Oct 2025 – 30 Sept 2026

For more information - FAQ's

Data period · 1 Oct 2025 – 30 Sept 2026

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Your Members of the Senedd:

Andrew RT DaviesConservativeBacking Clean The Bill?Not yet declared, ask them to back our campaign.

Gareth ThomasReform UKBacking Clean The Bill?Not yet declared, ask them to back our campaign.

Mark HooperPlaid CymruBacking Clean The Bill?Not yet declared, ask them to back our campaign.

Sarah Cooper-LesaddReform UKBacking Clean The Bill?Not yet declared, ask them to back our campaign.

Sarah MurphyLabourBacking Clean The Bill?Not yet declared, ask them to back our campaign.

Sarah ReesPlaid CymruBacking Clean The Bill?Not yet declared, ask them to back our campaign.

Your Members of the Senedd work for you, not the water companies. Tell them to clean the bill now.

The message below already includes your local figures. Add your details, edit anything you like, and send it straight to your members.

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Tell your Senedd Members to back the bill.

The message below already includes your local figures. Add your details, edit anything you like, and send it straight to your members.

Takes ~60 seconds. We never share your details.

How you can get involved...

Right nowEmail your MPEnter your postcode, see how much sewage went into the water you use, and send it to the MP who represents you. It take two minutes.

Coming upJoin a Mass LobbyHundreds of people meeting their MP in the same week. Find an event near you and ask your MP to fight for our health and waters we love.

Coming upFuel the fight for change Donations or monthly gifts will fund urgent action like protests, petitions, and powerful campaigns to hold polluters to account and push for lasting change.

The Welsh government must use all its powers – present and future - to tackle Sewage in Wales.

Wales

The Clean the Bill campaign is largely focused on England's failed profit driven system and the UK governments law to fix it going through the Westminster Parliament later this year. However, it should also lay out the devolution of more powers to the Senedd to enable the Welsh Government to take more action around water quality and its regulation.

We need a Clean Water Bill for Wales that will:

1. Protect Public Health

Set legally binding targets to end untreated sewage discharges affecting bathing waters and popular recreational waters by 2030.
Introduce a world leading water quality testing regime that monitors emerging pollutants and protects water users wherever, whenever and however, they use the water.

2. Transform the Welsh Water System

Transform Natural Resource Wales into a tough, independent regulator with the resourcing and enforcement powers it needs to protect public and environmental health.
Centre economic regulation on public benefit ensuring customer money is used to deliver environmental and public health improvements.
Ensure Welsh Water companies are structured with the focus of protecting public and environmental health.

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