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Pollution Summary 2023

Here are all the reported sewage overflow totals for River Wye 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 Wye	Llangurig P.S. - Overflow	151	2,738	100
Dwr Cymru Welsh Water	River Wye	NEWLAND SEWAGE TREATMENT WORKS	164	2,310	100
Dwr Cymru Welsh Water	River Wye	Builthwells WWTW CSO	134	1,661	100
Dwr Cymru Welsh Water	River Wye	SPS AT EARDISLEY STW	78	1,237	91.4
Dwr Cymru Welsh Water	River Wye	Tintern Main SPS	270	654	99.9
Dwr Cymru Welsh Water	River Wye	SEDBURY SEWAGE PUMPING STATION	95	577	99.9
Dwr Cymru Welsh Water	River Wye	Settled Storm Sewage from Monmouth WwTW	66	545	99.9
Dwr Cymru Welsh Water	River Wye	Storm Tanks at Rhayader STW	78	525	93.6
Dwr Cymru Welsh Water	River Wye	Glasbury STW Glasbury Nr Hay On Wye	47	406	94.8
Dwr Cymru Welsh Water	River Wye	PUMPING STATION AT MOCCAS STW	32	397	100
Dwr Cymru Welsh Water	River Wye	CHURCH LANE STW CHURCH ROAD	55	351	100
Dwr Cymru Welsh Water	River Wye	MONMOUTH STW REDBROOK ROAD MONMOUTH	24	263	99.9
Dwr Cymru Welsh Water	River Wye	The Strand CSO, Church Street, Builth Wells	68	261	93.7
Dwr Cymru Welsh Water	River Wye	CSO at Rhayader WwTW	79	248	100
Dwr Cymru Welsh Water	River Wye	Hay-on-Wye (Main) SPS	95	240	98.9
Dwr Cymru Welsh Water	River Wye	HOPE AND ANCHOR CSO	60	180	97.3
Dwr Cymru Welsh Water	River Wye	ST MARTINS ALLOTMENTS CSO HEREFORD	30	149	99.9
Dwr Cymru Welsh Water	River Wye	HOMS ROAD PUMPING STATION CSO	29	148	100
Dwr Cymru Welsh Water	River Wye	BELMONT ROUNDABOUT CSO	39	119	80.3
Dwr Cymru Welsh Water	River Wye	Monmouth 2 CSO	58	107	99.8
Dwr Cymru Welsh Water	River Wye	WILTON SEWAGE PUMPING STATION	13	100	96.2
Dwr Cymru Welsh Water	River Wye	Llyswen STW Settled Storm	25	91	91.5
Dwr Cymru Welsh Water	River Wye	CSO at Newbridge on Wye STW	40	91	100
Dwr Cymru Welsh Water	River Wye	Thornwell Road CSO	65	75	100
Dwr Cymru Welsh Water	River Wye	ROSS LOWER CLEEVE WWTW	28	72	99.7
Dwr Cymru Welsh Water	River Wye	Glasbury STW Glasbury Nr Hay On Wye	7	62	94.8
Dwr Cymru Welsh Water	River Wye	CSO at Welsh Street Chepstow	66	50	100
Dwr Cymru Welsh Water	River Wye	CSO at Rhayader Fields St. Brides Church	11	41	99.7
Dwr Cymru Welsh Water	River Wye	GREAT HOUGH BROOK CSO	20	27	100
Dwr Cymru Welsh Water	River Wye	FOWNHOPE SEWAGE TREATMENT WORKS	8	25	98.6
Dwr Cymru Welsh Water	River Wye	WYEBANK RD CSO	36	18	99.7
Dwr Cymru Welsh Water	River Wye	LYDBROOK SEWAGE TREATMENT WORKS SSO	6	17	99.9
Dwr Cymru Welsh Water	River Wye	CSO Llanelwedd - Scout Hut Station Road	3	17	99.8
Dwr Cymru Welsh Water	River Wye	EIGN 1B COMBINED SEWER OVERFLOW	9	15	100
Dwr Cymru Welsh Water	River Wye	North Road CSO North Rd Builth Well	11	13	100
Dwr Cymru Welsh Water	River Wye	Raglan Way CSO	24	8	99.9
Dwr Cymru Welsh Water	River Wye	CSO at Weun Chapel Park Toilets, Rhayader	0	0	99.9
Dwr Cymru Welsh Water	River Wye	Hay-on-Wye (Warren Close) SPS	0	0	100
Dwr Cymru Welsh Water	River Wye	GREAT HOUGHBROOK PS ADJACENT TO FOR	0	0	17.3
Dwr Cymru Welsh Water	River Wye	JOYFORD MILL PUMPING STATION	0	0	0
Dwr Cymru Welsh Water	River Wye	LOWER LYDBROOK RIVER WYE CSO	0	0	98.2
Dwr Cymru Welsh Water	River Wye	GREYFRIARS BRIDGE CSO	0	0	0
Dwr Cymru Welsh Water	River Wye	LEYMANS FIELD PS BRAEMAR GARDENS	0	0	100
Dwr Cymru Welsh Water	River Wye	EIGN WASTEWATER TREATMENT WORKS	0	0	0

River Wye polluted by sewage 2,024 times in 2023 - lasting 13,853 hours

36 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

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