Top of the Poops | Constituency | Pontypridd| Polluted by Dwr Cymru Welsh Water

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Constituency

✔ means we have experimental daily data since 2023

Totals for Pontypridd in 2023

33 Sites polluted by Dwr Cymru Welsh Water

1,971 sewage dumps
12,467 h duration

That's 1.44 years! On average 5.4 times a day

Change Over Time

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Constituencies near Pontypridd

Waterways in Pontypridd

Pollution Summary 2023

Here are all the reported sewage overflow totals for Pontypridd in 2023. 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 constituency 0 of the total 41 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Ely	DUFFRYN ISAF SEWAGE TREATMENT WORKS	135	2,285	100
Dwr Cymru Welsh Water	River Taff	Tonteg Road, Upper Boat CSO and Pumping Station Emergency Overflow	160	1,486	100
Dwr Cymru Welsh Water	River Ely	ELY VALLEY ROAD CSO,	128	1,484	100
Dwr Cymru Welsh Water	River Taff	CASTLE INN CSO ASSET NO 32280	157	1,277	97.1
Dwr Cymru Welsh Water	Nant Myddlyn	CSO ADJACENT TO PARISH ROAD BEDDA	166	1,254	98.3
Dwr Cymru Welsh Water	Nant Coslech	Groesfan SPS	109	996	100
Dwr Cymru Welsh Water	River Rhondda	CSO at Pwllgwuan Syphons, Millfield, Pontypridd	137	599	98.4
Dwr Cymru Welsh Water	River Ely	Lanelay Park - CSO	117	550	100
Dwr Cymru Welsh Water	River Clun	Penygawsi CSO	60	351	100
Dwr Cymru Welsh Water	River Rhondda	A COMBINED SEWER OVERFLOW GYFEILLON	67	332	99.9
Dwr Cymru Welsh Water	River Taff	YNYSANGHARAD PARK CSO	91	319	99.9
Dwr Cymru Welsh Water	River Ely	CSO at Tonyrefail, Waunrhydd Road	55	168	90.9
Dwr Cymru Welsh Water	River Ely	CSO at Mill Street, Tonyrefail	57	168	99.4
Dwr Cymru Welsh Water	River Ely	Miskin Sewage Pumping Station Miskin	33	165	96.4
Dwr Cymru Welsh Water	River Taff	Crossbrook St CSO, Pontypridd	60	128	95.8
Dwr Cymru Welsh Water	River Taff	Rhydfelin CSO Off Lionel Terrace	17	128	79.1
Dwr Cymru Welsh Water	Nant Arian	New Society Garage CSO	54	126	100
Dwr Cymru Welsh Water	Nant Muchydd	Capel Farm PS Emergency Tonyrefai	15	126	99.9
Dwr Cymru Welsh Water	River Clun Via An Unnamed Ditch	Talbot Green CSO	66	108	71.3
Dwr Cymru Welsh Water	River Rhondda	Pellgwaun CSO	34	92	99.8
Dwr Cymru Welsh Water	Rhondda River	Pavia Courth CSO, Pontypridd	70	80	98.6
Dwr Cymru Welsh Water	Nant Tyrarlwudd	Penycoedcae SPS	80	78	99.7
Dwr Cymru Welsh Water	River Ely	Brynsadler Pumping Station Clun Ely	11	33	100
Dwr Cymru Welsh Water	River Ely	CSO at Penrhiwfer Ashdale Rd CSO, rear of No23	6	28	99.9
Dwr Cymru Welsh Water	River Rhondda	Lower Mill Street CSO Pontypridd	13	28	100
Dwr Cymru Welsh Water	Nant Cymdda Bach	Brynteg Park Pumping Station Beddau	8	21	100
Dwr Cymru Welsh Water	River Taff	Pontypridd West Street CSO	40	20	99.8
Dwr Cymru Welsh Water	River Taff	YNYSANGHARAD HIGH LEVEL RELIEF CSO	2	9	99.9
Dwr Cymru Welsh Water	R Taff - Conf Rhondda R To Castle Street	CSO at Treforest Llantwit Rd A	3	7	64.1
Dwr Cymru Welsh Water	River Rhondda	Lanelay Crescent CSO, Maesycoed	14	5	99.3
Dwr Cymru Welsh Water	River Taff	Sion Street Sewage Pumping Station	2	4	99.7
Dwr Cymru Welsh Water	River Ely	CSO at Tynybryn Road Tonyrefail R-C-T	3	1	12.9
Dwr Cymru Welsh Water	River Ely	Danybryn SPS	1	0	99.6
Dwr Cymru Welsh Water	Taff	Cardiff Road CSO, Pontypridd	0	0	39.2
Dwr Cymru Welsh Water	River Ely	Mill St CSO, Tonyrefail	0	0	99.9
Dwr Cymru Welsh Water	River Ely	Fairview SPS	0	0	100
Dwr Cymru Welsh Water	River Rhondda	Pwllgwaun Rd CSO, pontypridd	0	0	100
Dwr Cymru Welsh Water	River Ely	RHYDYNANT PS (ADJ TO 49) PONTYCLUN	0	0	100
Dwr Cymru Welsh Water	River Ely	MAES YR FELIN PUMPING STATION	0	0	97.2
Dwr Cymru Welsh Water	River Ely	Tonyrefail, Mill St CSO	0	0	100
Dwr Cymru Welsh Water	River Taff	Taff St CSO, Pontypridd	0	0	58.5

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. This 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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Pontypridd was polluted by sewage 1,971 times in 2023 lasting 12,467 hours - that's 1.44 years!

33 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

Data Sources & Accuracy

Media Queries

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Pontypridd was polluted by sewage 1,971 times in 2023
lasting 12,467 hours - that's 1.44 years!