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Pollution Summary 2023

Here are all the reported sewage overflow totals for River Tawe 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 Tawe	TREBANOS Wastewater Treament Works	208	4,059	99.9
Dwr Cymru Welsh Water	River Tawe	Settled Storm Sewage from Ystradgynlais WwTW	169	3,264	100
Dwr Cymru Welsh Water	River Tawe	Inco CSO Clydach Swansea	180	2,140	98.3
Dwr Cymru Welsh Water	River Tawe	CSO at Rear of Lonlas Station Road Abercrave	253	2,110	99
Dwr Cymru Welsh Water	River Tawe	Rear of Canal Cottage CSO, Abercrave	152	1,883	96.3
Dwr Cymru Welsh Water	River Tawe	CSO at Craig Y Duke Trebanos SOC	147	1,288	77.2
Dwr Cymru Welsh Water	River Tawe	CSO Ynysforgan Roundabout	105	1,210	100
Dwr Cymru Welsh Water	River Tawe	CSO at Ynysmeudw Warehouse (SOC	109	906	95
Dwr Cymru Welsh Water	River Tawe	CSO 104 NEWBRIDGE ROAD PUMPING STAT	83	864	100
Dwr Cymru Welsh Water	River Tawe	WYCHTREE STREET CSO MORRISTON	94	824	100
Dwr Cymru Welsh Water	River Tawe	CSO at O/S 17 Glantawe Row Ystradgynlais	127	787	98.8
Dwr Cymru Welsh Water	River Tawe	Nr Gough Arms MH CSO	117	639	98.3
Dwr Cymru Welsh Water	River Tawe	Pontardawe Leis Centre CSO Swansea	93	434	98.4
Dwr Cymru Welsh Water	River Tawe	CSO 70 A4067 Nthbnd Landore Swansea	106	358	99.5
Dwr Cymru Welsh Water	River Tawe	CSO Godre'r Graig SOC 20. Godre'r	40	351	99.9
Dwr Cymru Welsh Water	River Tawe	CSO 12 B4599 Road Bridge	76	244	100
Dwr Cymru Welsh Water	River Tawe	SWN YR AFON CSO, Ystradgynlais	74	200	98.5
Dwr Cymru Welsh Water	River Tawe	CSO at MH 92 nr Claypon Bridge, Ystradgynlais	39	190	99.2
Dwr Cymru Welsh Water	River Tawe	CSO M'HOLE 14 ABERCRAVE ST.DAVIDS C	63	184	51
Dwr Cymru Welsh Water	River Tawe	Office Row Car Park Ystalyfera CSO	51	146	100
Dwr Cymru Welsh Water	River Tawe	Glais CSO	43	129	99.8
Dwr Cymru Welsh Water	River Tawe	Glais SPS	43	129	99.8
Dwr Cymru Welsh Water	River Tawe	Bonymaen Rd CSO	71	113	99.9
Dwr Cymru Welsh Water	River Tawe	CSO at Mason Arms, Ystradgynlais	26	83	99.5
Dwr Cymru Welsh Water	River Tawe	Pentrechwyth Rd CSO	57	81	99.7
Dwr Cymru Welsh Water	River Tawe	SWO.M'HOLE12 CWMTAWE FM PENRHOS	19	75	76.9
Dwr Cymru Welsh Water	River Tawe	Pontardawe 2 To R Tawe CSO Swansea	16	45	100
Dwr Cymru Welsh Water	River Tawe	Opp 74 Bonymaen Rd CSO, Swansea ,	30	32	49
Dwr Cymru Welsh Water	River Tawe	CSO Near Chemical Rd. Morriston	1	0	99.7
Dwr Cymru Welsh Water	River Tawe	CSO at QUARRY ROAD CLYDACH (POINT 125)	0	0	0
Dwr Cymru Welsh Water	River Tawe	Heol Y Nant/Sybil Street Clydach CSO	0	0	0
Dwr Cymru Welsh Water	River Tawe	CSO Ynystawe (Point 86 New Ma)	0	0	0
Dwr Cymru Welsh Water	River Tawe	CAMBRIAN PLACE POINT 120 , ,	0	0	0

River Tawe polluted by sewage 2,592 times in 2023 - lasting 22,776 hours

29 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

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