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Pollution Summary 2023

Here are all the reported sewage overflow totals for River Rhymney in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Rhymney	A CSO 700M SE OF PLAS MACHEN COTAGE	143	2,179	100
Dwr Cymru Welsh Water	River Rhymney	Ball Lane CSO	155	2,149	100
Dwr Cymru Welsh Water	River Rhymney	Storm Water Overflow at Began, St Mellons	166	1,393	94.6
Dwr Cymru Welsh Water	River Rhymney	CWM LAS CSO	98	1,107	99
Dwr Cymru Welsh Water	River Rhymney	CSO at Glan-yr-Afon Nursing Home No2, Pengam	121	1,080	98.8
Dwr Cymru Welsh Water	River Rhymney	Tredomen AFC CSO, Ystrad Mynach	95	1,045	100
Dwr Cymru Welsh Water	River Rhymney	Abertysswg Rugby Playing Field CSO	110	779	98.5
Dwr Cymru Welsh Water	River Rhymney	CSO Nr Bethania Cottages	85	606	99.4
Dwr Cymru Welsh Water	River Rhymney	CSO NEAR RHYMNEY STATION	87	378	98.7
Dwr Cymru Welsh Water	River Rhymney	CSO at Glan-yr-Afon Nursing Home 1	101	245	99.3
Dwr Cymru Welsh Water	River Rhymney	Tir-y-Berth behind William St	67	164	99.3
Dwr Cymru Welsh Water	River Rhymney	Forge Engineering CSO, Bedwas	48	154	96.8
Dwr Cymru Welsh Water	River Rhymney	TRELYN LANE CSO FLEUR-DE-LIS	17	140	9.9
Dwr Cymru Welsh Water	River Rhymney	CSO At New Tredegar Adj Rhosyn Gwyn	18	127	53.5
Dwr Cymru Welsh Water	River Rhymney	CSO AT REAR OF MEMORIAL HOSPITAL	47	120	99.2
Dwr Cymru Welsh Water	River Rhymney	CSO BARGOED	62	105	91.7
Dwr Cymru Welsh Water	River Rhymney	CSO Opposite Bowen Ind Estate, Aberbargoed	35	103	97
Dwr Cymru Welsh Water	River Rhymney	Rhymney Carno St Bute House CSO	50	97	97.3
Dwr Cymru Welsh Water	River Rhymney	A CSO AT YSTRAD MYNACH BRIDGE	74	96	98.5
Dwr Cymru Welsh Water	River Rhymney	A CSO AT PONTLOTTYN	16	93	99.8
Dwr Cymru Welsh Water	River Rhymney	CSO at Pengham High St near Bridge	42	73	98.3
Dwr Cymru Welsh Water	River Rhymney	Newport Rd CSO, Trethomas	20	39	99.2
Dwr Cymru Welsh Water	River Rhymney	CSO at rear of Margaret St., Gilfach	32	36	95.1
Dwr Cymru Welsh Water	River Rhymney	CSO ASSET NO 90411 PENGAM	35	21	99.7
Dwr Cymru Welsh Water	River Rhymney	High St CSO, Glan-y-Nant	13	19	99.9
Dwr Cymru Welsh Water	River Rhymney	Forge Rd CSO, Machen	19	16	99.7
Dwr Cymru Welsh Water	River Rhymney	Fishponds Road No22 CSO, Llanrumey	11	16	99.9
Dwr Cymru Welsh Water	River Rhymney	Asset No. 32207 Celtic Steel Factory CSO	24	13	99.7
Dwr Cymru Welsh Water	River Rhymney	Rumney Hill CSO	4	5	99.9
Dwr Cymru Welsh Water	River Rhymney	A CSO AT BIRTHDIR NEAR STATION	3	0	100
Dwr Cymru Welsh Water	River Rhymney	CSO at Trelyn Park	1	0	99.9
Dwr Cymru Welsh Water	River Rhymney	Rear of Williams St CSO	1	0	100
Dwr Cymru Welsh Water	River Rhymney	COMBINED SEWER OVERFLOW SERVING	0	0	100
Dwr Cymru Welsh Water	River Rhymney	BEDWAS SUNNYBANK FARM CSO	0	0	0
Dwr Cymru Welsh Water	River Rhymney	CSO at Bridge Road, St Mellons, Cardiff	0	0	46
Dwr Cymru Welsh Water	River Rhymney	Aberbargoed CSO	0	0	100
Dwr Cymru Welsh Water	River Rhymney	OLD PRINCE ALBERT HOTEL HENGOED	0	0	100

River Rhymney polluted by sewage 1,800 times in 2023 - lasting 12,410 hours

32 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

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