Top of the Poops | Constituency | Rhondda and Ogmore| Polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

Here are all the reported sewage overflow totals for Rhondda and Ogmore 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 3 of the total 101 CSO locations had reporting enabled for less than half the year, of which 3 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Garw	STATION ROW CSO PONTYRHYL BRIDGEND	271	5,344	99.2
Dwr Cymru Welsh Water	Ogwr Fach	Blackmill CSO & Storage Tanks Br'Nd	183	3,658	100
Dwr Cymru Welsh Water	River Garw	BETTWS ROAD CSO LLANGEINOR	177	3,293	79.2
Dwr Cymru Welsh Water	Nant-Y-Ci, The Ogwr Fawr	TY YR AFON CSO TY YR AFON PANTARWEL	187	2,920	100
Dwr Cymru Welsh Water	Ogwr Fawr	CSO BELOW CEMETERY RD OGMORE VALE	170	2,451	95.8
Dwr Cymru Welsh Water	Rhondda River Fawr	REGENT ST CSO TREORCHY RHONDDA	177	2,276	99.8
Dwr Cymru Welsh Water	River Rhondda	Brook Street Combined Sewer Overflow	202	2,008	99.9
Dwr Cymru Welsh Water	Ogwr Fawr	OGWR FAWR CSO OGMORE VALE	131	1,859	98
Dwr Cymru Welsh Water	Ogwr Fach	DIMBATH AVE BLACKMILL BRIDGEND CSO	142	1,692	99.9
Dwr Cymru Welsh Water	River Ely	ELY VALLEY ROAD CSO,	128	1,484	100
Dwr Cymru Welsh Water	River Ogwr Fawr	CSO Car Park New Ogmore Vale School	117	1,451	99.9
Dwr Cymru Welsh Water	Nant Clydach	A CSO at Clydach Vale Davies Street	152	1,243	98.3
Dwr Cymru Welsh Water	Rhondda Fawr	Ton Pentre PS CSOTont Pentre RCT	178	1,241	95.6
Dwr Cymru Welsh Water	River Rhondda Fach	CSO at CROSS STREET YNYSHIR R-C-T	135	1,199	100
Dwr Cymru Welsh Water	Rhondda River Via A Culvert	Rees Street 71 CSO, Pentre	89	1,186	33.1
Dwr Cymru Welsh Water	River Garw	Fenton Place CSO Pont Y Cymer	151	1,172	100
Dwr Cymru Welsh Water	River Rhondda Fawr	Rear of Richards Terrace CSO	108	1,141	99.2
Dwr Cymru Welsh Water	River Rhondda Fach	R/O Tylorstown Primary School CSO, Tylorstown	142	1,118	98.7
Dwr Cymru Welsh Water	River Rhondda Fach	Maerdy Station Road CSO	124	883	95.9
Dwr Cymru Welsh Water	River Rhondda Fach	Ferndale Road CSO Tylorstown RCT	91	860	99.1
Dwr Cymru Welsh Water	River Rhondda Fach	Station Rd CSO, Ferndale	142	855	98.7
Dwr Cymru Welsh Water	Ogwr Fawr	Nant Y Moel Junior School CSO	132	844	100
Dwr Cymru Welsh Water	Ogwr Fawr	CSO BLANDY TERRACE ADJ ST JOHN ST	101	826	100
Dwr Cymru Welsh Water	Ogwr Fach	CSO At Farmland Nr Elm Street	93	799	99.9
Dwr Cymru Welsh Water	River Rhondda Fach	Ferndale Banana Tip CSO Additional	65	744	72.1
Dwr Cymru Welsh Water	River Rhondda Fach	Rear of Fir St CSO, Ferndale	111	686	98.7
Dwr Cymru Welsh Water	Rhondda Fawr	Station Rd CSO, Dinas, Porth	122	616	89.7
Dwr Cymru Welsh Water	Rhondda Fawr	Gelligaled Pk CSO Ystrad Rhondda	123	615	98.3
Dwr Cymru Welsh Water	Rhondda Fawr River	CSO GYLFACH ROAD PORTH RHONDDA	123	608	96
Dwr Cymru Welsh Water	Nant Clydach	CSO at Tonypandy, Rear of De Winton St	86	506	98.5
Dwr Cymru Welsh Water	Rhondda Fach	CSO at Blaenllechau School St	97	479	98.3
Dwr Cymru Welsh Water	River Rhondda Fach	FERNDALE BANANA TIP CSO	101	437	98.9
Dwr Cymru Welsh Water	Rhondda R - Source To Conf River Rhondda Fach	Penygraig Rd CSO, Penygraig	100	368	98.3
Dwr Cymru Welsh Water	River Rhondda Fach	Rear of Blake St CSO, Maerdy	69	362	99.2
Dwr Cymru Welsh Water	Rhondda Fawr River	GLANNANT ST/DINAS ROAD CSO	89	327	99.1
Dwr Cymru Welsh Water	Ogwr Fawr	SWO East Bank Behind Gilead C Nant	103	263	99.9
Dwr Cymru Welsh Water	Rhondda Fach	FERNDALE BANANA TIP SSO OLD SCHOOL	91	254	100
Dwr Cymru Welsh Water	Rhondda Fawr	CSO O/S Welcome Inn, Tylacelyn Rd, Penygraig	100	246	99.1
Dwr Cymru Welsh Water	River Rhondda Fach	Blaenllechau Taff St CSO	64	238	97.5
Dwr Cymru Welsh Water	Nant Clydach	Railway Terrace CSO, Clydach Vale	67	174	99.6
Dwr Cymru Welsh Water	River Ely	CSO at Mill Street, Tonyrefail	57	168	99.4
Dwr Cymru Welsh Water	River Ely	CSO at Tonyrefail, Waunrhydd Road	55	168	90.9
Dwr Cymru Welsh Water	River Rhondda	A Combined Sewer Overflow, Trehafod	13	162	95.1
Dwr Cymru Welsh Water	River Rhondda Fach	Highfield Industrial Estate CSO, Ferndale	36	158	96.3
Dwr Cymru Welsh Water	Rhondda Fawr River	Blaencwm Rd/Tydraw Terrace CSO	42	154	99.6
Dwr Cymru Welsh Water	Nant Muchydd	Capel Farm PS Emergency Tonyrefai	15	126	99.9
Dwr Cymru Welsh Water	Rhondda River	CSO at Rear of George Street, Treherbert	46	125	56.9
Dwr Cymru Welsh Water	River Rhondda	Llwynypia Rd CSO, Tonypandy	73	124	99.1
Dwr Cymru Welsh Water	Rhondda Fach River	PONTYGWAITH BRIDGE CSO ASSET 71188	61	107	98.1
Dwr Cymru Welsh Water	River Rhondda Fach	CSO OPP 37 EDMONDES ST TYLORSTOWN	39	104	96.6
Dwr Cymru Welsh Water	Rhondda Fawr	CSO to rear of 8 Griffin Park	36	103	100
Dwr Cymru Welsh Water	River Rhondda	Trehafod Pumping Station	80	87	99.8
Dwr Cymru Welsh Water	Ogwr Fach Via A Surface Water Sewer	Rear of Dan-Y-Bryn CSO, Gilfach Goch	63	75	97.8
Dwr Cymru Welsh Water	Rhondda Fawr	REES STREET PUMPING STATION GELLI	35	54	99.8
Dwr Cymru Welsh Water	Rhondda River Via A Culvert	Old Brithweunydd Road CSO, Tonypandy	57	49	99.8
Dwr Cymru Welsh Water	Rhondda Fach	CSO at Blaenllechau Commercial & George St Jn	15	45	99.1
Dwr Cymru Welsh Water	Ogwr Fawr	CSO at E E.Bank Opp SWO Northern	22	43	96.6
Dwr Cymru Welsh Water	River Rhondda	River Terrace CSO, Treorchy, Rhondda	44	39	100
Dwr Cymru Welsh Water	Rhondda Fawr	CSO at Penycraig - Tylacelyn Road	35	33	94
Dwr Cymru Welsh Water	River Ely	CSO at Penrhiwfer Ashdale Rd CSO, rear of No23	6	28	99.9
Dwr Cymru Welsh Water	Rhondda River Fawr	Llwynypia SPS	9	23	100
Dwr Cymru Welsh Water	Rhondda Fawr	CSO OFF YNYSCYNON ROAD TREALAW	13	23	100
Dwr Cymru Welsh Water	Rhondda Fach	Cwmparc Railway Terrace CSO	15	23	99.8
Dwr Cymru Welsh Water	River Rhondda Fach	CSO at Wattstown-Bailey St Land Recla	7	22	18.7
Dwr Cymru Welsh Water	River Rhondda Fach	Blaenllechau Long Row CSO	7	21	99.9
Dwr Cymru Welsh Water	River Rhondda Fach	Aberrhondda Road CSO	14	18	40.5
Dwr Cymru Welsh Water	River Rhondda Fach	James Terrace CSO	17	18	96.7
Dwr Cymru Welsh Water	River Garw	CSO at Victoria Street	12	14	99.7
Dwr Cymru Welsh Water	River Rhondda Fawr	Treherbert Ind Est CSO Treherbert	8	13	99.9
Dwr Cymru Welsh Water	Rhondda Fawr	Treherbert Bute/Corbett/David St Junction CSO	8	11	100
Dwr Cymru Welsh Water	Rhondda Fach	Dolgwilym River Bridge CSO	5	10	99.9
Dwr Cymru Welsh Water	Rhondda Fach River	JUNCT OF BRONDEG AND PENRHYS ST CSO	6	9	100
Dwr Cymru Welsh Water	Rhondda Fawr	ELISABETH CLOSE CSO PENTRE RCT	11	8	100
Dwr Cymru Welsh Water	Ogwr Fawr	CORBETT STREET CSO OGMORE VALE	14	8	100
Dwr Cymru Welsh Water	River Rhondda Fawr	LEWIS STREET CSO & PUMPING STATION	11	8	100
Dwr Cymru Welsh Water	Rhondda Fawr River	Rear of William St CSO, Ystrad	5	6	99.1
Dwr Cymru Welsh Water	Rhondda R - Source To Conf River Rhondda Fach	Penygraig Nantgwyn St/Hill St Jn CSO	14	5	99.6
Dwr Cymru Welsh Water	Nant Ystradffernol Via A Culvert	Blaen-y-Cwm Terrace CSO	8	4	99.7
Dwr Cymru Welsh Water	Nant Y Ffosp	Oakfield Terrace CSO, Nantymoel	4	3	56.6
Dwr Cymru Welsh Water	River Rhondda Fach	Ferndale Banana Tip No.1 CSO	2	1	1.9
Dwr Cymru Welsh Water	River Ely	CSO at Tynybryn Road Tonyrefail R-C-T	3	1	12.9
Dwr Cymru Welsh Water	Ogwr Fawr Via A Culverted Watercourse	CSO at End of Railway Terrace, Ogmore Vale	3	0	99.4
Dwr Cymru Welsh Water	River Rhondda Fach	CSO at Ferndale btw Taff St & Station Rd	3	0	100
Dwr Cymru Welsh Water	River Rhondda	Cymmer Rd CSO, Porth	1	0	100
Dwr Cymru Welsh Water	Rhondda Fawr	CSO at 136 Tyntyla Road, Tonypandy	1	0	73.2
Dwr Cymru Welsh Water	Rhondda Fawr River	2 Clarence St CSO, Pentre	1	0	100
Dwr Cymru Welsh Water	Rhondda Fach River	East Rd CSO Tylorstown	0	0	57.4
Dwr Cymru Welsh Water	River Rhondda Fawr	GELLI CROSSING PUMPING STATION RHON	0	0	100
Dwr Cymru Welsh Water	River Cynon	Pentre - Llewellyn Street CSO	0	0	99.7
Dwr Cymru Welsh Water	River Ely	Mill St CSO, Tonyrefail	0	0	99.9
Dwr Cymru Welsh Water	River Cynon	CSO Meadow Street Pontycymmer	0	0	30
Dwr Cymru Welsh Water	River Rhondda Fawr	CSO at Junct Ystrad/Church Road Ystrad	0	0	0
Dwr Cymru Welsh Water	River Rhondda	CSO AT CADWGAN TERRACE TREHAFOD	0	0	100
Dwr Cymru Welsh Water	Nant Cymparc	Junction of Sunnyhill & Park Crescent CSO, Cwmparc	0	0	0
Dwr Cymru Welsh Water	Rhondda Fawr	Treherbert Pumping Station, Park Close	0	0	99.8
Dwr Cymru Welsh Water	Rhondda River	Treherbert - Opposite Railway CSO	0	0	100
Dwr Cymru Welsh Water	River Ely	Tonyrefail, Mill St CSO	0	0	100
Dwr Cymru Welsh Water	River Rhondda	Herbert St CSO	0	0	0
Dwr Cymru Welsh Water	Rhonda Fawr River	TREORCHY CSO - M/H AT SIDE OF BOYS	0	0	95.3
Dwr Cymru Welsh Water	Nant Abercerdin Via Surface Water Sewer	CSO Nr Glannant, Heol Heulog	0	0	100
Dwr Cymru Welsh Water	Rhondda Fach	CSO at FURNACE ROAD PONTYGWAITH RCT	0	0	100

Rhondda and Ogmore was polluted by sewage 6,066 times in 2023
lasting 50,958 hours - that's 5.9 years!
- but monitoring was disabled in some locations, so could be more

86 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

Data Sources & Accuracy

Media Queries

Please Support Us

Rhondda and Ogmore was polluted by sewage 6,066 times in 2023 lasting 50,958 hours - that's 5.9 years! - but monitoring was disabled in some locations, so could be more

86 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

Data Sources & Accuracy

Media Queries

Please Support Us

Rhondda and Ogmore was polluted by sewage 6,066 times in 2023
lasting 50,958 hours - that's 5.9 years!
- but monitoring was disabled in some locations, so could be more