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Pont-y-pŵl

Polluted by sewage 1,069 times in 2025 lasting 6,989 hours

Monitoring fell below 50% in some locations so could be more

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Totals for Pont-y-pŵl in 2025

24 Sites polluted by Dwr Cymru Welsh Water

1,069 sewage dumps

6,989 hours duration

That's 9.71 months. On average 2.9 times a day

Change Over Time

Constituency for Pont-y-pŵl

Nearby Constituencies

Waterways in Pont-y-pŵl

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Pont-y-pŵl in 2025. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this place 1 of the total 26 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Llwyd	CSO at PONTYPOOL CHARLESVILLE TRUNK SEWAR	89	1,374	99.5
Dwr Cymru Welsh Water	River Lwyd	Chapel Lane CSO	68	1,241	97.4
Dwr Cymru Welsh Water	River Lwyd	CSO at Griffithstown Subsidary Sewer	98	809	99.3
Dwr Cymru Welsh Water	River Lwyd	CSO OPPOSITE THE JOB CENTRE IN	113	625	98.4
Dwr Cymru Welsh Water	River Lwyd	New Road CSO, Pontypool	80	436	99
Dwr Cymru Welsh Water	River Lwyd - Source To Conf Dowlais Bk	Old Road CSO, Abersychan	82	421	98.5
Dwr Cymru Welsh Water	River Lwyd	Pontnewynydd Mill Rd CSO	77	381	99.1
Dwr Cymru Welsh Water	River Lwyd	Pontypool Freeholdland Rd	52	317	95.5
Dwr Cymru Welsh Water	River Lwyd	Pontypool (Pontymoile) CSO	60	307	99.4
Dwr Cymru Welsh Water	River Lwyd	St Albans School CSO, Pontypool	65	301	97.4
Dwr Cymru Welsh Water	Blaen Bran Brook	Brookland Terrace Rec Ground CSO	49	288	99.9
Dwr Cymru Welsh Water	River Lwyd	CSO at Cwmbran Sebastopol Avondale Rd	37	93	99.1
Dwr Cymru Welsh Water	Trosnant Brook	Leisure Centre CSO Trosnant Street	29	87	95.4
Dwr Cymru Welsh Water	River Lwyd	LOWER NEW INN (PONTYFELIN LANE	16	82	99.8
Dwr Cymru Welsh Water	River Lwyd	Snatchwood Rd CSO	32	77	97.5
Dwr Cymru Welsh Water	River Lwyd	HOSPITAL ROAD CSO ST JOHNS AMBULANCE	40	47	99.9
Dwr Cymru Welsh Water	River Lwyd	Pontypool Hanbury Rd/Italian Gardens CSO	31	34	95.3
Dwr Cymru Welsh Water	River Lwyd	Trevethin CSO	12	30	39.1
Dwr Cymru Welsh Water	River Llwyd	CSO at Pontypool-Coedygric Panteg Road	21	23	99.5
Dwr Cymru Welsh Water	River Lwyd	Pontnewynydd Mill Rd O/S No 4 CSO	2	5	99.9
Dwr Cymru Welsh Water	Trosnant Brook	CSO at Crumlin Rd 2, Pontypool	9	3	87.2
Dwr Cymru Welsh Water	River Lwyd	PONTNEWYNYDD CSO	4	1	99.7
Dwr Cymru Welsh Water	River Lwyd	CSO at Rosemary lane End of Car Park	2	0	89.4
Dwr Cymru Welsh Water	River Lwyd	Hospital Rd CSO, Pontnewynydd	1	0	99.8
Dwr Cymru Welsh Water	River Lwyd	Leigh Rd CSO, Pontypool	0	0	99.9
Dwr Cymru Welsh Water	River Lwyd	Pleasant Court CSO, Limekiln Rd, Pontypool	0	0	99.4

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

Analysing sewage pollution by the Water Industry

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