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Pollution Summary 2024

Here are all the reported sewage overflow totals for River Rhymney in 2024. 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	149	2,281	99.4
Dwr Cymru Welsh Water	River Rhymney	CWM LAS CSO	115	1,149	98.2
Dwr Cymru Welsh Water	River Rhymney	CSO at Glan-yr-Afon Nursing Home No2, Pengam	119	1,138	87.4
Dwr Cymru Welsh Water	River Rhymney	Storm Water Overflow at Began, St Mellons	155	948	94.7
Dwr Cymru Welsh Water	River Rhymney	Tredomen AFC CSO, Ystrad Mynach	95	824	99.8
Dwr Cymru Welsh Water	River Rhymney	Abertysswg Rugby Playing Field CSO	108	766	97.5
Dwr Cymru Welsh Water	River Rhymney	Ball Lane CSO	89	716	99.8
Dwr Cymru Welsh Water	River Rhymney	A CSO AT PONTLOTTYN	83	518	99.7
Dwr Cymru Welsh Water	River Rhymney	CSO at Glan-yr-Afon Nursing Home 1	93	320	99
Dwr Cymru Welsh Water	River Rhymney	CSO Opposite Bowen Ind Estate, Aberbargoed	37	250	96.2
Dwr Cymru Welsh Water	River Rhymney	CSO NEAR RHYMNEY STATION	58	241	98.2
Dwr Cymru Welsh Water	River Rhymney	Tir-y-Berth behind William St	67	197	98.5
Dwr Cymru Welsh Water	River Rhymney	CSO At New Tredegar Adj Rhosyn Gwyn	16	178	58.6
Dwr Cymru Welsh Water	River Rhymney	CSO AT REAR OF MEMORIAL HOSPITAL	46	176	99
Dwr Cymru Welsh Water	River Rhymney	CSO Nr Bethania Cottages	71	155	98.6
Dwr Cymru Welsh Water	River Rhymney	Forge Engineering CSO, Bedwas	41	150	99.4
Dwr Cymru Welsh Water	River Rhymney	A CSO AT YSTRAD MYNACH BRIDGE	82	137	97.3
Dwr Cymru Welsh Water	River Rhymney	CSO BARGOED	69	132	99.8
Dwr Cymru Welsh Water	River Rhymney	Rhymney Carno St Bute House CSO	132	128	94
Dwr Cymru Welsh Water	River Rhymney	TRELYN LANE CSO FLEUR-DE-LIS	33	125	86.8
Dwr Cymru Welsh Water	River Rhymney	CSO at Pengham High St near Bridge	56	121	99.1
Dwr Cymru Welsh Water	River Rhymney	BEDWAS SUNNYBANK FARM CSO	19	67	31.4
Dwr Cymru Welsh Water	River Rhymney	CSO at rear of Margaret St., Gilfach	34	57	98.7
Dwr Cymru Welsh Water	River Rhymney	Newport Rd CSO, Trethomas	25	56	98.8
Dwr Cymru Welsh Water	River Rhymney	CSO ASSET NO 90411 PENGAM	47	36	96.9
Dwr Cymru Welsh Water	River Rhymney	Asset No. 32207 Celtic Steel Factory CSO	22	29	89
Dwr Cymru Welsh Water	River Rhymney	A CSO AT BIRTHDIR NEAR STATION	7	27	99.8
Dwr Cymru Welsh Water	River Rhymney	Fishponds Road No22 CSO, Llanrumey	23	25	96.3
Dwr Cymru Welsh Water	River Rhymney	High St CSO, Glan-y-Nant	20	19	99.8
Dwr Cymru Welsh Water	River Rhymney	Forge Rd CSO, Machen	21	16	99.3
Dwr Cymru Welsh Water	River Rhymney	Rumney Hill CSO	13	12	99.9
Dwr Cymru Welsh Water	River Rhymney	CSO at Trelyn Park	2	1	99.3
Dwr Cymru Welsh Water	River Rhymney	CSO at Bridge Road, St Mellons, Cardiff	1	1	99.4
Dwr Cymru Welsh Water	River Rhymney	Aberbargoed CSO	0	0	97.3
Dwr Cymru Welsh Water	River Rhymney	OLD PRINCE ALBERT HOTEL HENGOED	0	0	99.7
Dwr Cymru Welsh Water	River Rhymney	COMBINED SEWER OVERFLOW SERVING	0	0	57
Dwr Cymru Welsh Water	River Rhymney	Rear of Williams St CSO	0	0	99.7

River Rhymney polluted by sewage 1,948 times in 2024 - lasting 11,006 hours

33 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2024

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