Top of the Poops | Constituency Sewage Map | Caerfyrddin

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Live data for Caerfyrddin in 2026

So far this year (as of 25 Oct 2026, 17:45) there has been 51,896 hours of sewage overflows, from 144 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s - that's 6.01 years!

Totals for Caerfyrddin in 2025

128 Sites polluted by Dwr Cymru Welsh Water

9,850 sewage dumps

95,681 hours duration

Sewage pollution map of Caerfyrddin: 9,850 spills in 2025, lasting 95,681 hours, by Dwr Cymru Welsh Water

That's 11.07 years. On average 27 times a day

Change Over Time

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Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Marlais	CSO 6 NR BRYN MARLAIS FARM	188	3,335	95.1
Dwr Cymru Welsh Water	River Teifi	RHYDFACH PS	149	3,096	99.2
Dwr Cymru Welsh Water	River Marlais	CARMEL WWTW CARMEL	161	3,017	99.9
Dwr Cymru Welsh Water	River Cothi	PONT-AR-GOTHI & NANTGAREDIG WWTW	136	2,730	99.9
Dwr Cymru Welsh Water	River Cwm Wuan Gron	TAVERNSPITE STW	131	2,510	99.9
Dwr Cymru Welsh Water	Gwili	BRONWYDD STW	197	2,494	99.9
Dwr Cymru Welsh Water	River Cynin	St Clears Sewage Pumping Station	183	2,373	99.9
Dwr Cymru Welsh Water	River Tywi	Cwm Ifor Wastewater Treatment Works	142	2,349	99.9
Dwr Cymru Welsh Water	River Taf	WHITLAND WWTW	139	2,305	99.9
Dwr Cymru Welsh Water	River Lash	PENYGROES WWTW SSO PONTLASH	157	2,302	99.9
Dwr Cymru Welsh Water	River Teifi	PENTRECWRT STW	275	2,280	99.9
Dwr Cymru Welsh Water	River Bran	LLANDOVERY WASTEWATER TREATMENT	134	2,208	99.7
Dwr Cymru Welsh Water	Marlais	BRECHFA STW - EMERGENCY DISCHA	133	2,201	99.9
Dwr Cymru Welsh Water	River Cywyn	BANCYFELIN STW BANCYFELIN NEAR ST	119	2,163	99.9
Dwr Cymru Welsh Water	River Tywi	FFAIRFACH STW	158	2,161	99.9
Dwr Cymru Welsh Water	River Duad	CYNWYL ELFED WWTW CYNWYL ELFED CARM	97	2,035	99.9
Dwr Cymru Welsh Water	River Loughor	CSO 14/43 PONT Y CLERC Rd AMMANFORD	135	1,996	99.9
Dwr Cymru Welsh Water	River Duad	SPS at Cwmduad STW	109	1,947	99.9
Dwr Cymru Welsh Water	Taf Estuary	LAUGHARNE WASTE WATER TREATMENT WKS	138	1,897	99.8
Dwr Cymru Welsh Water	River Sannan	LLANFYNYDD STW	169	1,845	99.9
Dwr Cymru Welsh Water	River Amman	CSO 33 5M DOWNSTREAM OF PIPE BRIDGE	128	1,782	99.9
Dwr Cymru Welsh Water	River Marlas	McKays Crossing CSO	114	1,458	97.1
Dwr Cymru Welsh Water	River Teifi	DREFACH/VELINDRE WWTW	87	1,382	99.9
Dwr Cymru Welsh Water	Nant Rhydian-Ddu	Porthyrhyd PS	94	1,335	99.9
Dwr Cymru Welsh Water	River Gwenlais	CILYCWM WWTW	162	1,321	99.4
Dwr Cymru Welsh Water	River Teifi	CENARTH PS	97	1,217	99.9
Dwr Cymru Welsh Water	River Gwili	LLANPUMPSAINT Wastewater treatment Worrks	87	1,167	98.4
Dwr Cymru Welsh Water	River Taf	CRAIGWEN PS TENBY ROAD ST CLEARS	88	1,092	99.9
Dwr Cymru Welsh Water	River Teify	CSO and SPS at LLANBYTHER (MANHOLE 7 )EMERGEN	84	1,086	99.9
Dwr Cymru Welsh Water	River Myddyfi	SALEM STW	97	1,028	99.8
Dwr Cymru Welsh Water	River Mamog River Cych	CAPEL IWAN STW	55	1,018	99.9
Dwr Cymru Welsh Water	U River Towy	Pencoed Farm SPS, Llangain	75	1,015	99.9
Dwr Cymru Welsh Water	River Marlais	CSO 4 Manhole 225A Adj 3 Rawlings	51	973	99.7
Dwr Cymru Welsh Water	Nant Alltwalis	ALLTWALIS PS	78	973	99.9
Dwr Cymru Welsh Water	River Amman	CSO Near 11 Upper Station Rd	102	963	99.9
Dwr Cymru Welsh Water	River Sawdde	LLANGADOG STW	95	941	98.8
Dwr Cymru Welsh Water	Trelissey Stream	RED ROSES STW	69	888	99.8
Dwr Cymru Welsh Water	River Tywi	Ashfield Road P.S. Ashfield Llangado	51	874	93.8
Dwr Cymru Welsh Water	River Marlais	29 Aberlash Rd CSO, Llandybie	61	871	99.4
Dwr Cymru Welsh Water	River Gwili	Abergwili SPS	111	841	99.8
Dwr Cymru Welsh Water	River Loughor	CSO 16 PANTYFFYNON RAILWAY BRIDGE	91	837	99.9
Dwr Cymru Welsh Water	River Amman	CSO 28 AT MANHOLE 89 NR AMMAN RFC	87	791	98.9
Dwr Cymru Welsh Water	River Teifi Via An Un-	Llanybydder CSO	77	782	99.5
Dwr Cymru Welsh Water	River Teifi	Emlyn Arms CSO Newcastle Emlyn	115	754	96.6
Dwr Cymru Welsh Water	River Gwili	CWMGWILI WWTW CWMGWILI NR AMMANFORD	55	711	99.9
Dwr Cymru Welsh Water	River Gwili	100M D/S R'DBR CWMGWILI (CSO) CARMS	91	668	80.5
Dwr Cymru Welsh Water	Nant Ddu	TALLEY WWTW LLANDEILO CARMS	58	647	99.9
Dwr Cymru Welsh Water	Tywi Estuary	Jewsons CSO Tanerdy Carmarthen	97	641	99.9
Dwr Cymru Welsh Water	Nant Wthan	Saron - A484 O.S. Maesgeler	39	632	96.6
Dwr Cymru Welsh Water	Unnamed Stream	Ty Hen Rhos PS	53	625	99.9
Dwr Cymru Welsh Water	River Tywi	CSO Pothouse Wharf PS	102	609	99.8
Dwr Cymru Welsh Water	River Tywi	Llansadwrn SPS	54	593	98.2
Dwr Cymru Welsh Water	River Twrch	FARMERS STW	54	588	99.9
Dwr Cymru Welsh Water	Groundwater Via Infiltration System	PENDINE SEWAGE TREATMENT WORKS	84	580	99.3
Dwr Cymru Welsh Water	Nant Y Ci	CSO 9 10 METRES DOWNSTREAM - BRIDGE	99	557	99.9
Dwr Cymru Welsh Water	Nant Gurrey Fach	Sawmills Y'd CSO Llandeilo Carmarthen	44	549	99.2
Dwr Cymru Welsh Water	River Cennen	Primary School CSO Ffairfach	84	529	99.9
Dwr Cymru Welsh Water	River Cothi	PONTARGOTHI P.S.EMERG.	45	495	99.7
Dwr Cymru Welsh Water	River Amman	CSO 37, Manhole 24B, Betws Rd Bridge	91	489	99.2
Dwr Cymru Welsh Water	Towy	Carmarthen Old Llansteffan Rd CSO	106	478	98
Dwr Cymru Welsh Water	River Gorlech	ABERGORLECH SPS	34	438	99.9
Dwr Cymru Welsh Water	River Bargoed	Llysnewydd SPS	51	422	99.9
Dwr Cymru Welsh Water	River Gwili	CSO 50m D/S From Culvert Meadows R'd	57	404	99.9
Dwr Cymru Welsh Water	Nant Mynachdy	FELINGWM WASTEWATER TREATMENT WORKS	79	394	99.4
Dwr Cymru Welsh Water	Nant Crychiau	PENIEL PS PENIEL CARMARTHEN ,	26	383	99.9
Dwr Cymru Welsh Water	River Cynin	TRELECH STW TRELECH CARMARTHEN ,	62	380	99.9
Dwr Cymru Welsh Water	Culverted Mackerel Lake Stream	WOGAN MEWS CSO LAUGHARNE CARMS	67	379	93.1
Dwr Cymru Welsh Water	River Taf	Whitland Terminal Pumping Station CSO and EO	76	377	99.9
Dwr Cymru Welsh Water	Nant Y Wrach	CAERBRYN R'D CSO PENYGROES CARMS	77	374	99.9
Dwr Cymru Welsh Water	River Tywelli	PENCADER STW	57	355	93.6
Dwr Cymru Welsh Water	River Towy	CARMARTHEN - STATION ROAD PUMP	125	345	95.9
Dwr Cymru Welsh Water	Nant Hedfron, River Taf	LLANDDOWROR VILLAGE P.S	34	339	99.9
Dwr Cymru Welsh Water	River Tywelli	Pencader SPS	43	338	99.8
Dwr Cymru Welsh Water	River Bantwen	LLANDDAROG PS EO CWMISFAEL CARMS	90	328	99.9
Dwr Cymru Welsh Water	Un To River Bran	Myddfai Village Sewerage Scheme CSO	138	322	99.9
Dwr Cymru Welsh Water	River Twrch	GEORGE IV CSO 23 UPPER CWMTWRCH	45	315	99.9
Dwr Cymru Welsh Water	River Teifi	Cwmann SPS	119	308	99.9
Dwr Cymru Welsh Water	River Tywi	LLANDEILO CSO	105	300	98.3
Dwr Cymru Welsh Water	River Gwili	Cwmdwyfran SPS	29	296	99.9
Dwr Cymru Welsh Water	Gwendraeth Fach	Pencader Bridge CSO	41	294	99.6
Dwr Cymru Welsh Water	River Bran	Llandovery No1 SPS	86	286	99.9
Dwr Cymru Welsh Water	River Gronw	CSO at Llanboidy WwTW	44	282	99.9
Dwr Cymru Welsh Water	River Towy	Morfa Lane CSO, Carmarthen	120	264	99
Dwr Cymru Welsh Water	River Teifi	WILKES HEAD CSO LLANDYSUL CERED'N	46	261	99.8
Dwr Cymru Welsh Water	Nant Llynfell	Swo No 11 Nr Glanyrafon Cwmlly CSO	57	258	75.1
Dwr Cymru Welsh Water	River Amman	CS0 34 100M DOWNSTREAM OF BRIDGE	37	229	99.9
Dwr Cymru Welsh Water	River Loughor	Penybanc Rd 2 CSO	64	227	99
Dwr Cymru Welsh Water	Tywi Estuary	Old Priory Row CSO Parc Hinds PS C	93	219	99.9
Dwr Cymru Welsh Water	Loughor - Conf With Marlais To Conf With Aman	Nant Arw CSO, Capel Hendre	57	219	82.3
Dwr Cymru Welsh Water	River Gronw	15 Meters D/S Whitland Bridge CSO	74	218	98.9
Dwr Cymru Welsh Water	River Amman	CSO 36 Manhole 31c Opp Bettws Pk	72	216	98.2
Dwr Cymru Welsh Water	River Amman	Penpound Lane CSO	56	208	94.6
Dwr Cymru Welsh Water	Nant Corrwg	Brynmeillion SPS Llanpumsaint	65	200	99.8
Dwr Cymru Welsh Water	River Dulas	CWRT HENRI STW CWRT HENRI CARMS	60	199	99.9
Dwr Cymru Welsh Water	Unknown Of River Towy	Carmarthen - Sticle Path	61	192	96.8
Dwr Cymru Welsh Water	River Amman	CSO 29 At Manhole 76c Nr Hospital	54	189	99.9
Dwr Cymru Welsh Water	River Brake	Albion SPS	73	186	99.9
Dwr Cymru Welsh Water	River Bran	CYNGHORDY WWTW CYNGHORDY LLANDOVERY	48	181	99.9
Dwr Cymru Welsh Water	River Duar	Llanybydder - Oriel Jones CSO	33	172	89.2
Dwr Cymru Welsh Water	River Towy	Golden Grove WwTW Inlet CSO Llandie	79	163	99.5
Dwr Cymru Welsh Water	Tawelan Brook	CSO AT JOBSWELL ROAD	61	157	77.5
Dwr Cymru Welsh Water	River Towy	Llandeilo Yscubor Abad CSOs	82	145	98.8
Dwr Cymru Welsh Water	River Amman	CSO 21 NR FORGE WASHERY BRYNAMMAN	60	144	99.4
Dwr Cymru Welsh Water	River Amman	CSO 23 Manhole 125B Nr Brynbach FM	52	135	99.7
Dwr Cymru Welsh Water	River Amman	Station Road CSO, Brynamman	50	131	99.5
Dwr Cymru Welsh Water	River Marlais	Llandybie RFC CSO	45	127	99.5
Dwr Cymru Welsh Water	River Amman	CSO 38 500 M UP/STRM CONF LOUGHER	59	120	99.9
Dwr Cymru Welsh Water	River Towy	SPS at Castle Hill Drainage Area	86	116	99.3
Dwr Cymru Welsh Water	River Bran	FELIN FRAN PS LLANGADOG ,	12	113	63.9
Dwr Cymru Welsh Water	Tawelan Brook	Settled Storm Overflow at Brickyard Lane Pumping Station	22	112	99.9
Dwr Cymru Welsh Water	Nant-Y-Ci	153 Saron Rd CSO	35	102	99.6
Dwr Cymru Welsh Water	Nant Gochen	Cynwyl Village Bridge	14	102	99.5
Dwr Cymru Welsh Water	Nant Grenig	CSO 32 30M D/STRM A474 ROADBRIDGE	14	92	99.6
Dwr Cymru Welsh Water	River Amman	CSO 31 Manhole 72C Maesgrenig	35	68	99.4
Dwr Cymru Welsh Water	Tawelan Brook	Carmarthen Pentremeurig Road CSO	14	67	99.4
Dwr Cymru Welsh Water	River Taf	Llangynog STW	20	66	99.7
Dwr Cymru Welsh Water	River Coran	LAUGHARNE SEWERAGE SYSTEM	50	66	78.3
Dwr Cymru Welsh Water	River Lash	Gate Road Sewage Pumping Station Penygroes	13	56	99.9
Dwr Cymru Welsh Water	Nant Harri	Rhosmaen PS	37	49	99.9
Dwr Cymru Welsh Water	River Teifi	CWMANN SPS(EMERG'Y) CWMANN LAMPETER	18	45	99.9
Dwr Cymru Welsh Water	River Loughor	Old NCB Yard CSO, Penybanc	30	43	95.1
Dwr Cymru Welsh Water	River Tywi	Park Hinds CSO	2	29	99.9
Dwr Cymru Welsh Water	Nant Pwntan	PWNTAN SPS LLANGAIN CARMARTHENSHIRE	6	21	99.8
Dwr Cymru Welsh Water	Gwendraeth Fach	Llanddarog	11	19	99.9
Dwr Cymru Welsh Water	River Amman	CSO 19 HALL STREET BRYNAMMAN	13	16	99.1
Dwr Cymru Welsh Water	River Melinddwr	Llansawel Village CSO No2	5	7	99.5
Dwr Cymru Welsh Water	Tawelan	Carmarthen Near Fire Station CSO	5	1	100
Dwr Cymru Welsh Water	Unnamed Utory Of River Sawdde	Llangadog Common CSO	3	0	100
Dwr Cymru Welsh Water	River Twrch	CSO Felinfach Rd. Ystradowen.	0	0	99.2
Dwr Cymru Welsh Water	Nant Arw	Capel Hendre Sewage Scheme CSO	0	0	98
Dwr Cymru Welsh Water	River Melinddwr	LLANSAWEL . .	0	0	36.1
Dwr Cymru Welsh Water	River Marlais	LLANSAWEL WWTW	0	0	99.9
Dwr Cymru Welsh Water	Tawelon Brook	Pentremeurig Road CSO	0	0	100

Caerfyrddin

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Live data for Caerfyrddin in 2026

Totals for Caerfyrddin in 2025

128 Sites polluted by Dwr Cymru Welsh Water

Change Over Time

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