Carmarthen East and Dinefwr polluted by sewage 7,103 times in 2022 - lasting 60,430 hours

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✔ means we have experimental daily data for 2023

Totals for Carmarthen East and Dinefwr in 2022

102 Sites polluted by Dwr Cymru Welsh Water

7,103 sewage dumps
60,430 h duration

That's 6.99 years! On average 19.5 times a day

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Constituencies near Carmarthen East and Dinefwr

Waterways in Carmarthen East and Dinefwr

Pollution Summary 2022

Here are all the reported sewage overflow totals for Carmarthen East and Dinefwr 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 Marlas	Settled Storm Overflow at Carmel Wastewater Treatment Works	226	3,900	99.9
Dwr Cymru Welsh Water	River Marlais	CSO 6 NR BRYN MARLAIS FARM	193	3,271	99.8
Dwr Cymru Welsh Water	River Lash	PENYGROES WWTW SSO PONTLASH	167	2,809	99.9
Dwr Cymru Welsh Water	River Y Bantwen	Settled Storm Overflow at Llanddarog Wastewater Treatment Works	132	2,700	100
Dwr Cymru Welsh Water	River Loughor	CSO 14/43 PONT Y CLERC Rd AMMANFORD	120	2,252	99.8
Dwr Cymru Welsh Water	River Bran	LLANDOVERY WASTEWATER TREATMENT	136	2,244	100
Dwr Cymru Welsh Water	River Teifi	CSO at Pentrecwrt STW	265	2,216	98.5
Dwr Cymru Welsh Water	River Bargoed	Llysnewydd SPS	108	2,064	100
Dwr Cymru Welsh Water	River Tyweli	PENCADER STW STORM TANKS	101	2,015	100
Dwr Cymru Welsh Water	River Gwenlais	Storm Overflow at Cilycwm Wastewater Treatment Works	270	1,776	100
Dwr Cymru Welsh Water	River Sannan	LLANFYNYDD STW	173	1,738	100
Dwr Cymru Welsh Water	River Towy	CSO at FFAIRFACH STW	120	1,722	99.5
Dwr Cymru Welsh Water	River Myddyfi	SALEM STW Settled Storm	124	1,691	99.8
Dwr Cymru Welsh Water	River Sawdde	LLANGADOG STW	122	1,519	100
Dwr Cymru Welsh Water	Marlais	BRECHFA STW - EMERGENCY DISCHA	102	1,476	100
Dwr Cymru Welsh Water	River Marlas	McKays Crossing CSO	97	1,335	99.4
Dwr Cymru Welsh Water	River Dulias	MYNNYDD CERRIG PUMPING STATION	92	1,245	100
Dwr Cymru Welsh Water	River Amman	CSO 33 5M DOWNSTREAM OF PIPE BRIDGE	90	1,082	100
Dwr Cymru Welsh Water	River Gwili	100M D/S R'DBR CWMGWILI (CSO) CARMS	119	1,031	100
Dwr Cymru Welsh Water	River Tywi	Ashfield Road P.S. Ashfield Llangado	70	1,020	99.6
Dwr Cymru Welsh Water	River Marlais	CSO 4 Manhole 225A Adj 3 Rawlings	57	960	100
Dwr Cymru Welsh Water	Nant Rhydian-Ddu	Porthyrhyd PS	77	958	100
Dwr Cymru Welsh Water	River Teifi Via An Un-	Llanybydder CSO	90	884	100
Dwr Cymru Welsh Water	River Mamog	CAPEL IWAN STW	54	860	99.9
Dwr Cymru Welsh Water	River Teifi	Emlyn Arms CSO Newcastle Emlyn	312	847	99.6
Dwr Cymru Welsh Water	River Loughor	CSO 16 PANTYFFYNON RAILWAY BRIDGE	92	838	100
Dwr Cymru Welsh Water	Ferryside Stream	FERRYSIDE STW FERRYSIDE CARMS	91	766	100
Dwr Cymru Welsh Water	River Amman	CSO Near 11 Upper Station Rd	90	728	95.2
Dwr Cymru Welsh Water	River Amman	CSO 28 AT MANHOLE 89 NR AMMAN RFC	84	720	100
Dwr Cymru Welsh Water	River Marlais	29 Aberlash Rd CSO, Llandybie	51	655	100
Dwr Cymru Welsh Water	River Cothi	PONTARGOTHI P.S.EMERG.	48	573	99.9
Dwr Cymru Welsh Water	Gwendraeth Fawr	BLAENHIRWAUN CSO CEFNEITHIN	98	544	99.9
Dwr Cymru Welsh Water	River Bran	CYNGHORDY WWTW INLET STORM OVERFLOW	113	516	100
Dwr Cymru Welsh Water	Nant Y Ci	CSO 9 10 METRES DOWNSTREAM - BRIDGE	97	508	99.8
Dwr Cymru Welsh Water	Llansaint Stream	LLANSAINT WWTW LLANSAINT FERRYSIDE	26	485	99.8
Dwr Cymru Welsh Water	River Teifi	CENARTH PS	47	469	100
Dwr Cymru Welsh Water	Cloidach	CSO at Felingwm Wastewater Treatment Works	108	458	100
Dwr Cymru Welsh Water	River Amman	CS0 34 100M DOWNSTREAM OF BRIDGE	56	448	100
Dwr Cymru Welsh Water	Nant Y Wrach	CAERBRYN R'D CSO PENYGROES CARMS	81	446	100
Dwr Cymru Welsh Water	River Teify	CSO and SPS at LLANBYTHER (MANHOLE 7 )EMERGEN	55	405	74.7
Dwr Cymru Welsh Water	Unnamed Stream	Ty Hen Rhos PS	61	399	99.8
Dwr Cymru Welsh Water	River Amman	CSO 37, Manhole 24B, Betws Rd Bridge	94	390	99.3
Dwr Cymru Welsh Water	River Brake	Albion SPS	80	383	100
Dwr Cymru Welsh Water	Gwendraeth Fawr	Parc y Dai CSO	64	364	98.8
Dwr Cymru Welsh Water	River Towy	Golden Grove WwTW Inlet CSO Llandie	92	338	99.2
Dwr Cymru Welsh Water	Nant Cwm Croes Y Ceiliog	IDOLE CWMFFRWD SEWERAGE SCHEME	49	317	99.9
Dwr Cymru Welsh Water	River Loughor	Penybanc Rd 2 CSO	85	314	99.9
Dwr Cymru Welsh Water	Loughor - Conf With Marlais To Conf With Aman	Nant Arw CSO, Capel Hendre	57	307	100
Dwr Cymru Welsh Water	Nant Gurrey Fach	Sawmills Y'd CSO Llandeilo Carmarthen	41	304	98.3
Dwr Cymru Welsh Water	Un To River Bran	Myddfai Village Sewerage Scheme CSO	127	301	100
Dwr Cymru Welsh Water	River Gwili	Abergwili SPS	80	295	99.5
Dwr Cymru Welsh Water	River Bantwen	LLANDDAROG PS EO CWMISFAEL CARMS	56	277	100
Dwr Cymru Welsh Water	River Amman	CSO 36 Manhole 31c Opp Bettws Pk	122	272	99.7
Dwr Cymru Welsh Water	Gwendraeth Fawr	Tom Jones Nursery CSO	65	253	99.8
Dwr Cymru Welsh Water	River Bran	Llandovery No1 SPS	86	237	100
Dwr Cymru Welsh Water	River Tywi	Llansadwrn SPS	27	227	100
Dwr Cymru Welsh Water	Nant Alltwalis	ALLTWALIS PS	45	211	100
Dwr Cymru Welsh Water	River Amman	CSO 21 NR FORGE WASHERY BRYNAMMAN	101	202	99.9
Dwr Cymru Welsh Water	Gwendraeth Fawr	SOC4 PONTYATES AREA CSO	42	195	100
Dwr Cymru Welsh Water	Unknown Of River Towy	Carmarthen - Sticle Path	78	186	99.5
Dwr Cymru Welsh Water	Gwendraeth Fawr	Parc Y Dai No1 CSO Drefach	57	175	39.4
Dwr Cymru Welsh Water	River Tywi	LLANDEILO CSO	100	160	83.8
Dwr Cymru Welsh Water	River Cennen	Primary School CSO Ffairfach	43	156	99.5
Dwr Cymru Welsh Water	River Teifi	Cwmann SPS	125	150	99.7
Dwr Cymru Welsh Water	River Towy	Llandeilo Yscubor Abad CSOs	81	148	95.5
Dwr Cymru Welsh Water	River Ddu	TALLEY WWTW INLET PUMPING STATION	30	139	99.6
Dwr Cymru Welsh Water	River Marlais	Llansawel WWTW Settled Storm	24	134	100
Dwr Cymru Welsh Water	River Twrch	GEORGE IV CSO 23 UPPER CWMTWRCH	18	130	100
Dwr Cymru Welsh Water	Gwendraeth Fach	Pencader Bridge CSO	30	121	100
Dwr Cymru Welsh Water	River Tywelli	Pencader SPS	30	117	100
Dwr Cymru Welsh Water	River Twrch	CSO Felinfach Rd. Ystradowen.	10	104	75.8
Dwr Cymru Welsh Water	Gwendraeth Fawr	CSO at Cwm Mawr Rb No1 Gwendreath Catchmen	29	104	100
Dwr Cymru Welsh Water	River Dulas	CWRT HENRI WWTW INLET STORM OVERFLW	55	102	100
Dwr Cymru Welsh Water	River Amman	CSO 38 500 M UP/STRM CONF LOUGHER	51	93	100
Dwr Cymru Welsh Water	Nant Llynfell	Swo No 11 Nr Glanyrafon Cwmlly CSO	30	84	76.7
Dwr Cymru Welsh Water	Nant Harri	Rhosmaen PS	40	72	99.6
Dwr Cymru Welsh Water	Gwendraeth Fach	Llanddarog	8	63	29
Dwr Cymru Welsh Water	Gwendraeth Fawr	Ddoll Las Temporary CSO Llanelli	16	58	99.9
Dwr Cymru Welsh Water	River Amman	Station Road CSO, Brynamman	49	58	100
Dwr Cymru Welsh Water	River Lash	Gate Road Sewage Pumping Station Penygroes	21	54	100
Dwr Cymru Welsh Water	River Gwili	CSO 50m D/S From Culvert Meadows R'd	25	36	100
Dwr Cymru Welsh Water	River Marlais	Llandybie RFC CSO	40	34	100
Dwr Cymru Welsh Water	Ferryside Stream	FERRYSIDE PS . .	31	29	99.8
Dwr Cymru Welsh Water	Gwendraeth Fawr	HEOL MEINCIAU CSO	12	27	100
Dwr Cymru Welsh Water	Nant-Y-Ci	153 Saron Rd CSO	22	15	99.9
Dwr Cymru Welsh Water	Nant Grenig	CSO 32 30M D/STRM A474 ROADBRIDGE	9	14	57.5
Dwr Cymru Welsh Water	Gwendraeth Fawr	CARWAY WWTW CARWAY CARMS	27	9	99.9
Dwr Cymru Welsh Water	River Bran	FELIN FRAN PS LLANGADOG ,	2	9	100
Dwr Cymru Welsh Water	River Teifi	CWMANN SPS(EMERG'Y) CWMANN LAMPETER	9	9	99.7
Dwr Cymru Welsh Water	Nant Arw	Capel Hendre Sewage Scheme CSO	3	8	99.9
Dwr Cymru Welsh Water	Unnamed Utory Of River Sawdde	Llangadog Common CSO	19	6	100
Dwr Cymru Welsh Water	River Amman	CSO 19 HALL STREET BRYNAMMAN	9	6	99.9
Dwr Cymru Welsh Water	River Twrch	FARMERS STW	5	6	100
Dwr Cymru Welsh Water	River Tywi	CSO at Cwm Ifor STW Storm Tanks Manordei	6	5	100
Dwr Cymru Welsh Water	River Teifi	WILKES HEAD CSO LLANDYSUL CERED'N	8	4	94
Dwr Cymru Welsh Water	River Duar	Llanybydder - Oriel Jones CSO	10	4	52.2
Dwr Cymru Welsh Water	Gwendraeth Fawr	HEOL NAZARETH 2 CSO	6	1	100
Dwr Cymru Welsh Water	River Melinddwr	Llansawel Village CSO No2	3	1	98.4
Dwr Cymru Welsh Water	River Gorlech	ABERGORLECH SPS	1	0	58.2
Dwr Cymru Welsh Water	Gwendraeth Fach	Settled Storm Overflow at Llangyndeyrn Wastewater Treatment Works	1	0	100
Dwr Cymru Welsh Water	River Loughor	Old NCB Yard CSO, Penybanc	1	0	24.4
Dwr Cymru Welsh Water	River Amman	CSO 29 At Manhole 76c Nr Hospital	1	0	99.7
Dwr Cymru Welsh Water	Nant Crychiau	PENIEL PS PENIEL CARMARTHEN ,	0	0	0
Dwr Cymru Welsh Water	Nant Gwenlais	Cilyrychen PS CSO	0	0	0
Dwr Cymru Welsh Water	River Amman	CSO 31 Manhole 72C Maesgrenig	0	0	6
Dwr Cymru Welsh Water	River Gwili	Cwmgwili WwTW Cwmgwili Nr Ammanford Settled Storm	0	0	100
Dwr Cymru Welsh Water	River Amman	CSO 23 Manhole 125B Nr Brynbach FM	0	0	0
Dwr Cymru Welsh Water	River Teifi	RHYDFACH PS	0	0	72.3
Dwr Cymru Welsh Water	River Cothi	Pont-ar-Gothi & Nantgaredig Wastewater Treatment Works	0	0	99.7
Dwr Cymru Welsh Water	Unnamed Utuary Of Gwendreath Fach	CSO at Llangynderyn PS into R Gwendraeth Fach	0	0	100
Dwr Cymru Welsh Water	Nant Wthan	Saron - A484 O.S. Maesgeler	0	0	0
Dwr Cymru Welsh Water	River Melinddwr	LLANSAWEL . .	0	0	0
Dwr Cymru Welsh Water	River Amman	Penpound Lane CSO	0	0	0

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

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Carmarthen East and Dinefwr polluted by sewage 7,103 times in 2022 - lasting 60,430 hours

102 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2022

Data Sources & Accuracy

Media Queries

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