Top of the Poops | Constituency Sewage Map | Gower | Polluted by Dwr Cymru Welsh Water

Marker shade

Select Another Constituency

Constituency

Select the constituency from the drop-down

✔ means we have live data (𝑥 if not)

Live data for Gower in 2026

So far this year (as of 25 Oct 2026, 17:00) there has been 8,399 hours of sewage overflows, from 73 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Gower in 2025

55 Sites polluted by Dwr Cymru Welsh Water

2,093 sewage dumps

15,953 hours duration

Sewage pollution map of Gower: 2,093 spills in 2025, lasting 15,953 hours, by Dwr Cymru Welsh Water

That's 1.85 years. On average 5.7 times a day

Change Over Time

Take Action

Your local MP is Tonia Antoniazzi (Labour) - Find out more about their interests, donors, and voting at They Work For You

Share this page, post a message, and tell others about the huge problem of sewage pollution across the UK

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	Loughor Est'Y	LLANNANT WWTW LLANNANT ROAD SWANSEA	122	2,061	99.9
Dwr Cymru Welsh Water	River Loughor	GARNSWLLT STW LONGELIN AMMANFORD	103	1,864	99.9
Dwr Cymru Welsh Water	Estuarial Waters Of Swansea Ba	MUMBLES SPS KNAB ROCK MUMBLES SWANS	111	1,537	99.9
Dwr Cymru Welsh Water	River Lliw	Pont-y-cob Road CSO	120	1,028	98.3
Dwr Cymru Welsh Water	Loughor Estuary	SSO. PENCLAWDD SEWERAGE SCHEME	90	934	98.1
Dwr Cymru Welsh Water	Burry Pill	Reynoldson WwTW Settled Storm	34	810	100
Dwr Cymru Welsh Water	Burry Pill	REYNOLDSTON WASTEWATER TREATMENT WK	65	794	99.8
Dwr Cymru Welsh Water	River Llan	Cuckoo Mill SPS	48	774	98.1
Dwr Cymru Welsh Water	River Lliw	CSO BACH Y GWREIDDYN FARM PONTLLIW	140	723	72.6
Dwr Cymru Welsh Water	Burry Estuary	New Penclawdd Sewage PS Penclawdd	43	530	99.5
Dwr Cymru Welsh Water	Burry Pill	SCURLAGE SPS SCURLAGE SWANSEA	24	400	99.9
Dwr Cymru Welsh Water	Loughor Estuary	GOWERTON WwTW	49	361	99.9
Dwr Cymru Welsh Water	River Lliw	Rhosog P.S	61	333	99.9
Dwr Cymru Welsh Water	Burry Pill	LLANMADOC P.S.NO 2 EMERGEN	24	294	99.8
Dwr Cymru Welsh Water	River Llan	CWMBACH ROAD CSO COCKETT SWANSEA	79	277	98.9
Dwr Cymru Welsh Water	Loughor	Grovesend PS	64	260	99.8
Dwr Cymru Welsh Water	Loughour Estuary	BEN HUGHES FOUNDRY CSO OPP REV JAME	72	255	99.3
Dwr Cymru Welsh Water	Estuary	LLANRHIDIAN PS EMERG , ,	73	254	99.9
Dwr Cymru Welsh Water	Loughor	PONTARDULAIS PS EMERG , ,	35	234	99.9
Dwr Cymru Welsh Water	Coastal Water At Brandy Cove	BISHOPSTON STS BRANDY COVE LANE	18	210	99.8
Dwr Cymru Welsh Water	River Lliw	KINGSBRIDGE CSO GORSEINON SWANSEA	58	210	99.9
Dwr Cymru Welsh Water	Morlais River	New Crofty C Sewage PS Crofty Gower Crofty C SPS	30	178	95.2
Dwr Cymru Welsh Water	River Llan	CSO, Denver R’D Into Culvert Swansea	89	150	99.9
Dwr Cymru Welsh Water	Clyne River	Railway Inn SPS, Killay	21	146	99.9
Dwr Cymru Welsh Water	River Lliw	CSO APX 70YDS U/S R'WAY B'GE U	43	134	80.4
Dwr Cymru Welsh Water	Swansea Bay	OUTFALL A (CSO 201) JUN OF MUMBLES	13	110	97.5
Dwr Cymru Welsh Water	River Lliw	Gorseinon Factory CSO	25	107	99.3
Dwr Cymru Welsh Water	Swansea Bay	Duns Lane/Park street CSO	26	105	99.7
Dwr Cymru Welsh Water	Unnamed Stream	HILLEND LLANGENNITH P.S. SSO	25	102	99.9
Dwr Cymru Welsh Water	Illston Stream Killy Willy	PENNARD SPS OFF PENNARD DR SWANSEA	15	93	99.8
Dwr Cymru Welsh Water	Swansea Bay	SWO. NEAR NORTON AVENUE (POINT	71	90	98.9
Dwr Cymru Welsh Water	River Llwchwr	CSO .400 YDS D/S Cluence Dulai	13	80	99.5
Dwr Cymru Welsh Water	Clyne River	HEN PARC LANE PUMPING STATION	21	69	97.6
Dwr Cymru Welsh Water	An River Llan	BLAEN Y MAES POINT 65 CSO SWANSEA	36	66	99.8
Dwr Cymru Welsh Water	Unnamed Stream To Loughor Estu	CSO BRYNAFON ROAD GORSEINON SWANSEA	12	65	99.8
Dwr Cymru Welsh Water	Sea	SWO. 50 YARDS BELOW SHELL GARA KNEL	38	63	91.6
Dwr Cymru Welsh Water	Burry Estuary	BENSON ROAD CSO BENSON RD PENCLAWDD	15	54	99.8
Dwr Cymru Welsh Water	River Llan	CSO BRYNMOR RD SOC11 GOWERTON S124	39	47	99.7
Dwr Cymru Welsh Water	Loughor Estuary	Holythorne Crofty B Sewage PS	18	44	97.5
Dwr Cymru Welsh Water	Dulais	Rear of No1 St Teilo St, Pontardulais	11	33	99.7
Dwr Cymru Welsh Water	Surface Water Sewer Draining To Gors-Fawr Brook	CSO at Junction of Brithwen Rd & Swansea Rd	20	18	79.6
Dwr Cymru Welsh Water	River Llan	Station Road CSO, Pen Y Cwm Swansea	32	18	98.5
Dwr Cymru Welsh Water	Swansea Bay	OUTFALL D1 (CSO 10) JUN OF MUMBLES	11	5	99.9
Dwr Cymru Welsh Water	Washinghouse Brook	ELMGROVE ROAD CSO	3	3	99.9
Dwr Cymru Welsh Water	Coastal Waters At Overton Mere	OVERTON STW PORT EYNON	1	3	99.8
Dwr Cymru Welsh Water	Swansea Bay	FAIRWOOD RD/LYNDEN TREE P H SWANSEA	9	2	98.5
Dwr Cymru Welsh Water	River Llan	Camarthen Rd CSO	3	1	99.8
Dwr Cymru Welsh Water	Loughor Estuary Via Surface Water Sewer	HEOL PENTRE BACH CSO GORSEINON	3	1	99.5
Dwr Cymru Welsh Water	Limeslade Bay	LIMESLADE PUMPING STATION SWANSEA	5	1	99.8
Dwr Cymru Welsh Water	River Lliw	GORSEINON 2 S121 BAKO CSO GORSEINON	2	1	99.5
Dwr Cymru Welsh Water	Langland Bay	LANGLAND SPS LANGLAND SWANSEA	3	1	100
Dwr Cymru Welsh Water	Loughor Estuary	Cefn Stylle P.S. Gowerton	2	0	99.9
Dwr Cymru Welsh Water	Swansea Bay	Storm Overflow at Outfall G via CSO 16	2	0	100
Dwr Cymru Welsh Water	Swansea Bay	OUTFALL E (CSO 14) JUN OF MUMBLES R	2	0	99.8
Dwr Cymru Welsh Water	Loughor Estuary Via Surface Water Sewer	Borough Road CSO Gorseinon Swansea	1	0	99.2
Dwr Cymru Welsh Water	Not Permitted	BISHOPSTON G CHURCH LANE PS	0	0	99.9
Dwr Cymru Welsh Water	Caswell Bay	CASWELL BAY CAR PARK SPS CASWELL	0	0	99.7
Dwr Cymru Welsh Water	River Llan	Kingsway CSO	0	0	85
Dwr Cymru Welsh Water	Burry Pill.	LLANMADOC PS NO. 1 EMERGEN	0	0	99.9
Dwr Cymru Welsh Water	Swansea Bay	OFF LLIPUT LANE POINT 130 CSO SWAN	0	0	100
Dwr Cymru Welsh Water	Coastal Waters At Overton Mere	OVERTON STW PORT EYNON	0	0	100

Gower

Select Another Constituency

Live data for Gower in 2026

Totals for Gower in 2025

55 Sites polluted by Dwr Cymru Welsh Water

Change Over Time

Take Action

Constituencies near Gower

Waterways in Gower

We need your support!

Pollution Summary 2025

Data Sources & Accuracy

Media Queries

Please Support Us