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✔ means we have experimental daily data for 2023

Totals for Neath in 2022

62 Sites polluted by Dwr Cymru Welsh Water

3,249 sewage dumps
21,682 h duration

That's 2.51 years! On average 8.9 times a day

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Constituencies near Neath

Waterways in Neath

Pollution Summary 2022

Here are all the reported sewage overflow totals for Neath in 2022. Sometimes sewage can be being dumped for months at a time.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Tawe	TREBANOS Wastewater Treament Works	170	2,850	99.8
Dwr Cymru Welsh Water	River Dulais	CSO at Crynant STW Crynant Neath	117	2,538	100
Dwr Cymru Welsh Water	River Dulais	YS.MARCH CRYNANT SWO 2C	140	1,625	93.3
Dwr Cymru Welsh Water	Right Bank Of River Twrch	CSO on A4068 above Lower Brunorgan Bridge	100	1,334	99.2
Dwr Cymru Welsh Water	Melin Court Brook	MOSES ROW CSO RESOLVEN NEATH	73	953	100
Dwr Cymru Welsh Water	River Dulais	Nant-y-Cafan CSO, Dulais Valley	101	919	100
Dwr Cymru Welsh Water	River Camnant	Onllwyn SPS	90	787	99.9
Dwr Cymru Welsh Water	River Garnant	CSO 27 BOUNDARY RD BRIDGE GARNANT	71	773	100
Dwr Cymru Welsh Water	River Tawe	CSO at Craig Y Duke Trebanos SOC	90	766	97.6
Dwr Cymru Welsh Water	River Garnant	GCG - D/S of Graig Road CSO	73	655	58.2
Dwr Cymru Welsh Water	River Tawe	CSO at Ynysmeudw Warehouse (SOC	79	581	99.6
Dwr Cymru Welsh Water	Upper Clydach	CSO at Dilwyn Arms Pontardawe Cross NPT	105	575	100
Dwr Cymru Welsh Water	River Neath	CSO 48 NEATH RIVER BRIDGE ADJ CALOR	103	533	100
Dwr Cymru Welsh Water	River Neath	Park Avenue CSO	119	449	93.5
Dwr Cymru Welsh Water	Estuarial Waters Of River Neath	Melincryddan SPS	77	446	100
Dwr Cymru Welsh Water	River Pelenna	CSO No 110 Tonmawr	92	437	97.8
Dwr Cymru Welsh Water	River Neath	Chainbridge CSO, Glyn-Neath	46	427	67.2
Dwr Cymru Welsh Water	River Garnant	CSO 26 QUARRY PLACE AMMONFORD	59	425	100
Dwr Cymru Welsh Water	River Neath	RESOLVEN STW STORM TANKS NEATH	73	406	100
Dwr Cymru Welsh Water	Estuarial Waters Of River Neath	Fairfield SPS, Neath	100	405	100
Dwr Cymru Welsh Water	River Clydach	CSO 27 Farmers Road Pumping Station	68	353	100
Dwr Cymru Welsh Water	Nant Hir	CSO at GCG - rear of 40 Ger yr Afon	70	306	100
Dwr Cymru Welsh Water	River Tawe	Pontardawe Leis Centre CSO Swansea	68	290	99.1
Dwr Cymru Welsh Water	River Pelenna	CSO 103 Under R'Dbr Pontrhydyfen	67	277	99.1
Dwr Cymru Welsh Water	Tennant Canal	OLD ROAD CSO OLD ROAD SKEWEN NEATH	80	252	98.3
Dwr Cymru Welsh Water	Upper Clydach River	JAMES STREET CSO	93	229	99.3
Dwr Cymru Welsh Water	River Neath	CSO AT REAR GODFREY AVENUE GLYNNEATH NPT	70	204	97.7
Dwr Cymru Welsh Water	River Neath	Commercial Road Sewage Pumping Station	30	202	99.5
Dwr Cymru Welsh Water	River Clydach	Neath Abbey SPS	48	196	100
Dwr Cymru Welsh Water	River Amman	CSO 22 SW CORNER OF DISUSED TIP	27	169	84.7
Dwr Cymru Welsh Water	Tennant Canal	CSO 49 LLANGATWG SCHOOL ABERDULIAS	45	149	100
Dwr Cymru Welsh Water	River Clydach	Rear No 1 Dyffryn V'W Bryn Coch CSO	46	136	99.9
Dwr Cymru Welsh Water	River Dulais	BRYNDULAIS CSO	39	117	80.8
Dwr Cymru Welsh Water	River Tawe	CSO Godre'r Graig SOC 20. Godre'r	21	111	99.9
Dwr Cymru Welsh Water	Esturial Water Of River Neath	Quay Road PS Town Centre Neath	66	89	100
Dwr Cymru Welsh Water	River Neath Via Surface Water Sewer	Plas-Y-Coed CSO, Glynneath	49	79	90.4
Dwr Cymru Welsh Water	Nant Gelli-Nedd	CSO ADJ 97 CRAIG RD GELLINUDD	27	73	99.8
Dwr Cymru Welsh Water	Neath Estuary	ABERDULAIS SPS	40	66	100
Dwr Cymru Welsh Water	River Tawe	Office Row Car Park Ystalyfera CSO	36	64	99.7
Dwr Cymru Welsh Water	River Neath	CSO IN FOOTPATH ADJ BETHEL RD	24	59	100
Dwr Cymru Welsh Water	River Neath	Gnoll Park Road CSO	71	56	100
Dwr Cymru Welsh Water	Nant Llynfell	SWO.M'HOLE 154A GEORGE IV PH UPPER CSO	23	49	95.7
Dwr Cymru Welsh Water	Estuarial Waters Of River Neath	Pentreffynnon Sewage Pumping Station at Neath Abbey Ind Estate, Neath	34	45	100
Dwr Cymru Welsh Water	Neath - Conf With Nedd Fechan And Mellte To Tl	CSO at Resolven Above Clydach Brook	59	39	99.3
Dwr Cymru Welsh Water	River Clydach	Monastery Road Cso (Cso 35) Neath	9	36	100
Dwr Cymru Welsh Water	River Clydach	CSO NO 10 30M U/S ROADBRIDGE	39	25	99.8
Dwr Cymru Welsh Water	River Neath	Clyne SPS Clyne Neath Neath Port T	13	25	69
Dwr Cymru Welsh Water	River Tawe	Pontardawe 2 To R Tawe CSO Swansea	13	20	100
Dwr Cymru Welsh Water	River Neath	GUNSIGHT OVERFLOW SWO 11 CSO	16	14	100
Dwr Cymru Welsh Water	Estuarial Waters Of Llantwit Stream	Llantwit Church SPS	11	10	99.9
Dwr Cymru Welsh Water	River Clydach	Longford Road Neath Abbey CSO	10	8	100
Dwr Cymru Welsh Water	River Clydach	CSO 8 Bryncoch 7B Bryncoch	9	8	100
Dwr Cymru Welsh Water	Eastland Brook	St Joseph's Church CSO	13	6	100
Dwr Cymru Welsh Water	Gnoll Brook	CSO 33 CIMLA ROAD CIMLA NEATH	4	5	99.9
Dwr Cymru Welsh Water	River Dulais	CSO Outside Visitor Centre, Aberdulais	14	4	100
Dwr Cymru Welsh Water	Neath Canal	Park Street CSO Park Street Tonna	9	3	99.9
Dwr Cymru Welsh Water	Hollins Clough Ditch	CSO 9 CIMLA COMMON CIMLA NEATH	1	1	100
Dwr Cymru Welsh Water	Neath - Conf With Nedd Fechan And Mellte To Tl	Adj Health Centre CSO, Dyfed Rd	3	0	99.9
Dwr Cymru Welsh Water	River Neath Via Surface Water Sewer	Penrhiwtyn SPS	2	0	100
Dwr Cymru Welsh Water	Nant Y Llechau	CSO Near Delffordd	2	0	100
Dwr Cymru Welsh Water	River Neath	HEOL ILLTYD CSO BRYNCOCH NPT	1	0	100
Dwr Cymru Welsh Water	Tennant Canal	Church Road CSO Church Road Neath	1	0	100
Dwr Cymru Welsh Water	River Pelenna	CSO 117 Playground 3 Morgan Trce	0	0	98.6
Dwr Cymru Welsh Water	River Dulais	BRYNDULAIS (SWO 2A)	0	0	0
Dwr Cymru Welsh Water	River Neath	Cadoxton Road CSO Cadoxton Road	0	0	96.6

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. This uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

Analysing sewage pollution by the Water Industry

With generous support from:

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Get in touch if you have queries or want to discuss our data.

press [at] top-of-the-poops.org

Neath polluted by sewage 3,249 times in 2022 - lasting 21,682 hours

62 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2022

Data Sources & Accuracy

Media Queries

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