Top of the Poops | Constituency Sewage Map - 2025 Data| Brecon, Radnor and Cwm Tawe

Which Year?

Select Another Constituency

Constituency

Select the constituency from the drop-down

✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Brecon, Radnor and Cwm Tawe for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

Take Action

Your local MP is David Chadwick (Liberal Democrat) - 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	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Offline/Potential Pollution
Dwr Cymru Welsh Water	Llanwrtyd Wells Storm Overflow	Afon Irfon	117	2,140 h 14m	-
Dwr Cymru Welsh Water	Trebanos WwTW Storm Overflow	River Tawe	108	2,093 h 14m	-
Dwr Cymru Welsh Water	Graig Road Bridge Storm Overflow	River Garnant	146	1,810 h 49m	-
Dwr Cymru Welsh Water	Brecon Road Cae'r Lan Storm Overflow	Tributary of Afon Tawe	117	1,634 h 5m	-
Dwr Cymru Welsh Water	Trecastle WwTW Storm Overflow	Nant Logyn	121	1,596 h 2m	-
Dwr Cymru Welsh Water	Pontneddfechan WwTW Storm Overflow	River Mellte	158	1,347 h 53m	-
Dwr Cymru Welsh Water	Sennybridge WwTW Storm Overflow	River Usk	94	1,115 h 18m	-
Dwr Cymru Welsh Water	A4068 over River Cwmtwrch Uchaf Storm Overflow	Afon Twrch	81	1,071 h 47m	-
Dwr Cymru Welsh Water	Brecon WwTW Storm Overflow	River Usk	63	1,018 h 45m	-
Dwr Cymru Welsh Water	Llandrindod Wells WwTW Storm Overflow	River Ithon	71	893 h	-
Dwr Cymru Welsh Water	Bethel Road Cwm-twrch Isaf Overflow	Afon Twrch	81	867 h 12m	-
Dwr Cymru Welsh Water	Trebanos The Grove Storm Overflow	River Tawe	78	831 h 8m	-
Dwr Cymru Welsh Water	Beulah WwTW Storm Overflow	Afon Cammarch	58	768 h 39m	-
Dwr Cymru Welsh Water	Bwlch WwTW Storm Overflow	River Usk	73	677 h 30m	-
Dwr Cymru Welsh Water	Sennybridge Storm Overflow	River Usk	33	637 h 45m	-
Dwr Cymru Welsh Water	Herbert Street Pontardawe Storm Overflow	Upper Clydach	86	625 h 45m	-
Dwr Cymru Welsh Water	Gwaun Cae Gurwen Graig Road Storm Overflow	River Amman	69	616 h 17m	-
Dwr Cymru Welsh Water	Crossgates WwTW Storm Overflow	Tributary of Afon Eithon	54	610 h 15m	-
Dwr Cymru Welsh Water	Station Road Caehopkin Storm Overflow	Nant Helen	43	456 h 58m	-
Dwr Cymru Welsh Water	Rock Park Close Llandrindod Wells Overflow	Arlais Brook	70	451 h 1m	-
Dwr Cymru Welsh Water	Coelbren Storm Overflow	Unnamed Tributary of Nant Llech	71	440 h 2m	-
Dwr Cymru Welsh Water	Heol Y Maes Storm Overflow	Llech Brook	58	422 h 30m	-
Dwr Cymru Welsh Water	Howey WwTW Storm Overflow	Howey Brook	44	413 h 15m	-
Dwr Cymru Welsh Water	Abernant Lake Storm Overflow	Afon Irfon	54	389 h 28m	-
Dwr Cymru Welsh Water	Station Road Rear Abercraf Storm Overflow	River Tawe	50	386 h 21m	-
Dwr Cymru Welsh Water	Pontardawe Leisure Centre Storm Overflow	River Tawe	68	361 h 53m	-
Dwr Cymru Welsh Water	Ystradgynlais WwTW Wetland Return Storm Overflow	River Tawe	25	353 h 15m	-
Dwr Cymru Welsh Water	Min-Y-Rhos Footbridge Storm Overflow	River Tawe	50	350 h 39m	-
Dwr Cymru Welsh Water	Llanddewi Toll House Storm Overflow	River Ithon	48	343 h 3m	-
Dwr Cymru Welsh Water	Southwest of Glyn Road Storm Overflow	River Amman	46	337 h 15m	-
Dwr Cymru Welsh Water	Rhayader WwTW Tank Storm Overflow	Tributary of Afon Gwy	36	265 h 7m	-
Dwr Cymru Welsh Water	Crickhowell Garn 1 Storm Overflow	River Usk	41	262 h 40m	-
Dwr Cymru Welsh Water	Ger-Yr-Afon Storm Overflow	Nant Hir	47	231 h 37m	-
Dwr Cymru Welsh Water	Ddole Road Llandrindod Wells Overflow	River Ithon	40	217 h 59m	-
Dwr Cymru Welsh Water	The Strand Storm Overflow	River Wye	49	216 h 57m	-
Dwr Cymru Welsh Water	Heol Glantawe Ystradgynlais No 2 Storm Overflow	River Tawe	56	212 h 44m	-
Dwr Cymru Welsh Water	Ystradgynlais Cwmtwrch Bridge Street Storm Overflow	Afon Twrch	35	210 h 30m	-
Dwr Cymru Welsh Water	Lamb Bridge Storm Overflow	Nant Llynfell	34	205 h 46m	-
Dwr Cymru Welsh Water	Cefn Gorwydd WwTW Storm Overflow	Afon Irfon	43	198 h 30m	-
Dwr Cymru Welsh Water	Ynyscedwyn Road Ystradgynlais Storm Overflow	River Tawe	25	194 h 21m	-
Dwr Cymru Welsh Water	Dolwen Fields Storm Overflow	River Ithon	41	191 h 28m	-
Dwr Cymru Welsh Water	Llangunllo Storm Overflow	River Llugwy	21	191 h 15m	-
Dwr Cymru Welsh Water	Ithon Road Storm Overflow	River Ithon	51	186 h 23m	-
Dwr Cymru Welsh Water	Unknown	Unknown	11	185 h 15m	-
Dwr Cymru Welsh Water	Llanelwedd Storm Overflow	Henllan Brook	26	180 h 57m	-
Dwr Cymru Welsh Water	NCN437 Cwmllynfell Overflow	River Llynfell	50	176 h 27m	-
Dwr Cymru Welsh Water	James Street Pontardawe Storm Overflow	Upper Clydach River	54	175 h 43m	-
Dwr Cymru Welsh Water	West of Long Street Penrhos Storm Overflow	River Tawe	28	163 h 33m	-
Dwr Cymru Welsh Water	A4067 and Ynysmeudw Road Roundabout Storm Overflow	River Tawe	29	161 h 16m	-
Dwr Cymru Welsh Water	Talgarth WwTW Storm Overflow	River Llynfi	18	155 h 45m	-
Dwr Cymru Welsh Water	Legar Storm Overflow	River Usk	39	153 h 47m	-
Dwr Cymru Welsh Water	Talybont WwTW Storm Overflow	Caerfanell	53	148 h 30m	-
Dwr Cymru Welsh Water	Bryn Bach Road Storm Overflow	River Amman	40	147 h 36m	-
Dwr Cymru Welsh Water	Church Lane Storm Overflow	Tributary of Afon Gwy	26	130 h 30m	-
Dwr Cymru Welsh Water	Caer-Lan Abercraf Storm Overflow	River Tawe	16	126 h 6m	-
Dwr Cymru Welsh Water	South of A4067 Abercraf Storm Overflow	River Tawe	39	120 h 43m	-
Dwr Cymru Welsh Water	Glasbury WwTW Storm Overflow	River Wye	14	119 h 35m	-
Dwr Cymru Welsh Water	Llangynidr Coed-Yr-Ynys Storm Overflow	River Usk	27	110 h 45m	-
Dwr Cymru Welsh Water	Builth Wells WwTW Storm Overflow	River Wye	22	103 h 45m	-
Dwr Cymru Welsh Water	Canal Road Brecon Storm Overflow	River Usk	51	98 h 55m	-
Dwr Cymru Welsh Water	Ystalyfera Glanyrafon Road Storm Overflow	River Tawe	28	97 h 24m	-
Dwr Cymru Welsh Water	Lon Catwg Storm Overflow	Unnamed Tributary of the Nant Gelli-Nedd	32	85 h 37m	-
Dwr Cymru Welsh Water	East of Brecon WwTW Storm Overflow	River Usk	20	82 h 29m	-
Dwr Cymru Welsh Water	Penybont Overflow	River Ithon	12	74 h	-
Dwr Cymru Welsh Water	Llys Tawel Ystradgynlais Storm Overflow	River Tawe	17	70 h 57m	-
Dwr Cymru Welsh Water	Bronllys Storm Overflow	Unnamed Watercourse	38	69 h 3m	-
Dwr Cymru Welsh Water	Three Cocks Storm Overflow	Tregoyd Brook	22	68 h 16m	-
Dwr Cymru Welsh Water	Upstream of Crickhowell Garn 1 Storm Overflow	River Usk	6	64 h 50m	-
Dwr Cymru Welsh Water	Rhayader WwTW Inlet Storm Overflow	River Wye	29	58 h 30m	-
Dwr Cymru Welsh Water	Field West of Brecon WwTW Storm Overflow	River Usk	17	55 h 11m	-
Dwr Cymru Welsh Water	Presteigne WwTW Storm Overflow	Afon Lliw	11	53 h 45m	-
Dwr Cymru Welsh Water	Heol Eglwys Ystradgynlais Storm Overflow	River Tawe	23	46 h 17m	-
Dwr Cymru Welsh Water	Park Lane Llandrindod Wells Storm Overflow	River Ithon	16	45 h 10m	-
Dwr Cymru Welsh Water	Llangammarch Wells WwTW Storm Overflow	Afon Irfon	6	45 h	-
Dwr Cymru Welsh Water	Tawe Terrace Storm Overflow	River Tawe	10	41 h 30m	-
Dwr Cymru Welsh Water	Trefecca Old Railway Storm Overflow	River Llynfi	14	40 h 34m	-
Dwr Cymru Welsh Water	Heol Glantawe Ystradgynlais Storm Overflow	River Afan	9	40 h 23m	-
Dwr Cymru Welsh Water	Temple Street Llandrindod Wells Overflow	River Ithon	27	38 h 24m	-
Dwr Cymru Welsh Water	Newbridge -on-Wye WwTW Storm Overflow	River Wye	22	37 h	-
Dwr Cymru Welsh Water	Broad Street Storm Overflow	River Wye	23	34 h 8m	-
Dwr Cymru Welsh Water	Waurn Gyrlais Footpath Storm Overflow	Tributary of Nant Gyrlais	9	26 h 42m	-
Dwr Cymru Welsh Water	Glasbury WwTW Settled Storm Overflow	River Wye	8	26 h	-
Dwr Cymru Welsh Water	Llanfrynach WwTW Storm Overflow	Nant Menasgin	9	24 h 45m	-
Dwr Cymru Welsh Water	Primrose Lane Lon Y Wern Storm Overflow	Nant Llechau	12	20 h 30m	-
Dwr Cymru Welsh Water	Llandrindod Wells Crabtree Green Storm Overflow	River Ithon	12	15 h 15m	-
Dwr Cymru Welsh Water	Talybont Cattle Market Storm Overflow	Caerfanell	9	14 h 44m	-
Dwr Cymru Welsh Water	Crickhowell WwTW Storm Overflow	River Usk	2	14 h	-
Dwr Cymru Welsh Water	River Tawe Godre'r Graig Storm Overflow	River Tawe	8	12 h 45m	-
Dwr Cymru Welsh Water	Unknown	Unknown	1	11 h 30m	-
Dwr Cymru Welsh Water	Crickhowell Garn 2 Storm Overflow	River Usk	1	8 h 30m	-
Dwr Cymru Welsh Water	North Road Storm Overflow	River Wye	7	6 h 11m	-
Dwr Cymru Welsh Water	Water Lane Rhayader Overflow	River Wye	3	4 h 45m	-
Dwr Cymru Welsh Water	Llanwrthwl WwTW Overflow	River Wye	2	4 h 29m	-
Dwr Cymru Welsh Water	Bronllys Road South Storm Overflow	River Ennig	3	2 h 28m	-
Dwr Cymru Welsh Water	Erwood Overflow	Clettwr Brook	2	1 h 45m	-
Dwr Cymru Welsh Water	Crai WwTW Storm Overflow	Nant Ddu	1	1 h 15m	-
Dwr Cymru Welsh Water	Unknown	Unknown	1	0 h 45m	-
Dwr Cymru Welsh Water	Brynawelon Storm Overflow	River Usk	1	0 h 30m	-
Dwr Cymru Welsh Water	Rhayader Fields Storm Overflow	River Wye	2	0 h 29m	-
Dwr Cymru Welsh Water	Wye Bridge Storm Overflow	River Wye	1	0 h 29m	-
Dwr Cymru Welsh Water	Heol Gouesnou Storm Overflow	River Usk	1	0 h 29m	-
Dwr Cymru Welsh Water	Gwernyfed Park Storm Overflow	Felindre Brook	1	0 h 16m	-
Dwr Cymru Welsh Water	Llanyre WwTW Overflow	River Ithon	1	0 h 15m	-
Dwr Cymru Welsh Water	Ford Street Storm Overflow	Afon Lliw	0	0 h	-
Dwr Cymru Welsh Water	Waun Capel Parc Storm Overflow	River Wye	0	0 h	-
Dwr Cymru Welsh Water	Dan-y-Gollen Overflow	Grwyne Fawr	0	0 h	-
Dwr Cymru Welsh Water	Bullpit Meadow Storm Overflow	River Usk	0	0 h	-
Dwr Cymru Welsh Water	Llangors Overflow	River Llynfi	0	0 h	-
Dwr Cymru Welsh Water	Bronllys Road North Storm Overflow	River Llynfi	0	0 h	-
Dwr Cymru Welsh Water	Bridge Street Crickhowell Storm Overflow	River Usk	0	0 h	-
Dwr Cymru Welsh Water	Warren Close Overflow	River Wye	0	0 h	-

It's a Dirty Business

Brecon, Radnor and Cwm Tawe - 2025 Sewage

Polluted by sewage 31,653 hours in 2025 - That's 3.66 years

Brecon, Radnor and Cwm Tawe - 2025 Sewage

Which Year?

Select Another Constituency

View Annual Sewage Data

Take Action

Constituencies near Brecon, Radnor and Cwm Tawe

Daily Data

We need your support!

Totals so far

Data Sources & Accuracy

Media Queries

Please Support Us

It's a Dirty Business

Brecon, Radnor and Cwm Tawe - 2025 Sewage Polluted by sewage 31,653 hours in 2025 - That's 3.66 years

Brecon, Radnor and Cwm Tawe - 2025 Sewage

Which Year?

Select Another Constituency

View Annual Sewage Data

Take Action

Constituencies near Brecon, Radnor and Cwm Tawe

Daily Data

We need your support!

Totals so far

Data Sources & Accuracy

Media Queries

Please Support Us

Brecon, Radnor and Cwm Tawe - 2025 Sewage

Polluted by sewage 31,653 hours in 2025 - That's 3.66 years