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

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You're looking at the totals that we have calculated for sewage in Brecon, Radnor and Cwm Tawe so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

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.

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Company	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Offline/Potential Pollution
Dwr Cymru Welsh Water	Llanwrtyd Wells Storm Overflow	Afon Irfon	65	1,355 h 30m	-
Dwr Cymru Welsh Water	Trebanos WwTW Storm Overflow	River Tawe	64	1,353 h 45m	-
Dwr Cymru Welsh Water	Trecastle WwTW Storm Overflow	Nant Logyn	68	1,337 h 51m	-
Dwr Cymru Welsh Water	Talybont WwTW Storm Overflow	Caerfanell	57	895 h 21m	-
Dwr Cymru Welsh Water	Brecon WwTW Storm Overflow	River Usk	45	846 h 45m	-
Dwr Cymru Welsh Water	Legar Storm Overflow	River Usk	46	819 h 52m	-
Dwr Cymru Welsh Water	Brecon Road Cae'r Lan Storm Overflow	Tributary of Afon Tawe	48	800 h 56m	-
Dwr Cymru Welsh Water	Pontneddfechan WwTW Storm Overflow	River Mellte	55	725 h 53m	-
Dwr Cymru Welsh Water	A4068 over River Cwmtwrch Uchaf Storm Overflow	Afon Twrch	48	707 h 6m	-
Dwr Cymru Welsh Water	Crickhowell WwTW Storm Overflow	River Usk	41	672 h 15m	-
Dwr Cymru Welsh Water	Bwlch WwTW Storm Overflow	River Usk	56	642 h 55m	-
Dwr Cymru Welsh Water	Graig Road Bridge Storm Overflow	River Garnant	46	575 h 41m	-
Dwr Cymru Welsh Water	Llandrindod Wells WwTW Storm Overflow	River Ithon	44	561 h 25m	-
Dwr Cymru Welsh Water	Llangunllo Storm Overflow	River Llugwy	27	479 h 35m	-
Dwr Cymru Welsh Water	Sennybridge WwTW Storm Overflow	River Usk	40	445 h 42m	-
Dwr Cymru Welsh Water	Bethel Road Cwm-twrch Isaf Overflow	Afon Twrch	40	346 h 8m	-
Dwr Cymru Welsh Water	Talgarth WwTW Storm Overflow	River Llynfi	29	333 h 45m	-
Dwr Cymru Welsh Water	Crossgates WwTW Storm Overflow	Tributary of Afon Eithon	31	333 h	-
Dwr Cymru Welsh Water	Beulah WwTW Storm Overflow	Afon Cammarch	49	263 h 51m	-
Dwr Cymru Welsh Water	Three Cocks Storm Overflow	Tregoyd Brook	27	218 h 48m	-
Dwr Cymru Welsh Water	Min-Y-Rhos Footbridge Storm Overflow	River Tawe	24	210 h 20m	-
Dwr Cymru Welsh Water	Heol Y Maes Storm Overflow	Llech Brook	32	209 h 44m	-
Dwr Cymru Welsh Water	The Strand Storm Overflow	River Wye	23	205 h 22m	-
Dwr Cymru Welsh Water	Glasbury WwTW Storm Overflow	River Wye	17	195 h 22m	-
Dwr Cymru Welsh Water	Rock Park Close Llandrindod Wells Overflow	Arlais Brook	32	188 h 16m	-
Dwr Cymru Welsh Water	Llangynidr Coed-Yr-Ynys Storm Overflow	River Usk	25	185 h 50m	-
Dwr Cymru Welsh Water	Station Road Caehopkin Storm Overflow	Nant Helen	25	183 h 55m	-
Dwr Cymru Welsh Water	Rhayader WwTW Tank Storm Overflow	Tributary of Afon Gwy	27	180 h 30m	-
Dwr Cymru Welsh Water	Howey WwTW Storm Overflow	Howey Brook	20	167 h 15m	-
Dwr Cymru Welsh Water	Llanddewi Toll House Storm Overflow	River Ithon	17	159 h 4m	-
Dwr Cymru Welsh Water	Herbert Street Pontardawe Storm Overflow	Upper Clydach	33	157 h	-
Dwr Cymru Welsh Water	Gwaun Cae Gurwen Graig Road Storm Overflow	River Amman	23	154 h 58m	-
Dwr Cymru Welsh Water	Coelbren Storm Overflow	Unnamed Tributary of Nant Llech	23	106 h 23m	-
Dwr Cymru Welsh Water	Sennybridge Storm Overflow	River Usk	10	105 h 30m	-
Dwr Cymru Welsh Water	Abernant Lake Storm Overflow	Afon Irfon	16	101 h 36m	-
Dwr Cymru Welsh Water	Heol Gouesnou Storm Overflow	River Usk	8	91 h 38m	-
Dwr Cymru Welsh Water	Crickhowell Garn 1 Storm Overflow	River Usk	23	87 h	-
Dwr Cymru Welsh Water	Broad Street Storm Overflow	River Wye	20	87 h	-
Dwr Cymru Welsh Water	Glasbury WwTW Settled Storm Overflow	River Wye	16	78 h 45m	-
Dwr Cymru Welsh Water	Pontardawe Leisure Centre Storm Overflow	River Tawe	18	64 h 9m	-
Dwr Cymru Welsh Water	James Street Pontardawe Storm Overflow	Upper Clydach River	14	59 h 29m	-
Dwr Cymru Welsh Water	Llanelwedd Storm Overflow	Henllan Brook	14	57 h 27m	-
Dwr Cymru Welsh Water	Trefecca Old Railway Storm Overflow	River Llynfi	10	56 h 12m	-
Dwr Cymru Welsh Water	Southwest of Glyn Road Storm Overflow	River Amman	12	54 h 15m	-
Dwr Cymru Welsh Water	Canal Road Brecon Storm Overflow	River Usk	28	51 h 55m	-
Dwr Cymru Welsh Water	Presteigne WwTW Storm Overflow	Afon Lliw	7	48 h 30m	-
Dwr Cymru Welsh Water	Dolwen Fields Storm Overflow	River Ithon	8	48 h 12m	-
Dwr Cymru Welsh Water	Ddole Road Llandrindod Wells Overflow	River Ithon	11	46 h	-
Dwr Cymru Welsh Water	Trebanos The Grove Storm Overflow	River Tawe	6	45 h 21m	-
Dwr Cymru Welsh Water	Cefn Gorwydd WwTW Storm Overflow	Afon Irfon	7	41 h 30m	-
Dwr Cymru Welsh Water	Ger-Yr-Afon Storm Overflow	Nant Hir	14	40 h 20m	-
Dwr Cymru Welsh Water	Builth Wells WwTW Storm Overflow	River Wye	38	40 h	-
Dwr Cymru Welsh Water	South of A4067 Abercraf Storm Overflow	River Tawe	15	37 h	-
Dwr Cymru Welsh Water	Heol Glantawe Ystradgynlais No 2 Storm Overflow	River Tawe	15	35 h 1m	-
Dwr Cymru Welsh Water	NCN437 Cwmllynfell Overflow	River Llynfell	12	33 h 45m	-
Dwr Cymru Welsh Water	East of Brecon WwTW Storm Overflow	River Usk	6	30 h 43m	-
Dwr Cymru Welsh Water	Ithon Road Storm Overflow	River Ithon	14	28 h	-
Dwr Cymru Welsh Water	Ystradgynlais Cwmtwrch Bridge Street Storm Overflow	Afon Twrch	7	27 h	-
Dwr Cymru Welsh Water	Bronllys Storm Overflow	Unnamed Watercourse	10	26 h 50m	-
Dwr Cymru Welsh Water	Penybont Overflow	River Ithon	3	25 h 15m	-
Dwr Cymru Welsh Water	Bryn Bach Road Storm Overflow	River Amman	15	21 h 34m	-
Dwr Cymru Welsh Water	Ynyscedwyn Road Ystradgynlais Storm Overflow	River Tawe	4	20 h 14m	-
Dwr Cymru Welsh Water	Waurn Gyrlais Footpath Storm Overflow	Tributary of Nant Gyrlais	7	18 h 24m	-
Dwr Cymru Welsh Water	Lamb Bridge Storm Overflow	Nant Llynfell	5	15 h 59m	-
Dwr Cymru Welsh Water	Station Road Rear Abercraf Storm Overflow	River Tawe	8	15 h 57m	-
Dwr Cymru Welsh Water	Erwood Overflow	Clettwr Brook	4	11 h 30m	-
Dwr Cymru Welsh Water	Heol Eglwys Ystradgynlais Storm Overflow	River Tawe	9	10 h 45m	-
Dwr Cymru Welsh Water	Rhayader WwTW Inlet Storm Overflow	River Wye	9	8 h 30m	-
Dwr Cymru Welsh Water	West of Long Street Penrhos Storm Overflow	River Tawe	3	8 h 13m	-
Dwr Cymru Welsh Water	Field West of Brecon WwTW Storm Overflow	River Usk	3	7 h 25m	-
Dwr Cymru Welsh Water	Temple Street Llandrindod Wells Overflow	River Ithon	12	7 h 11m	-
Dwr Cymru Welsh Water	Caer-Lan Abercraf Storm Overflow	River Tawe	1	4 h	-
Dwr Cymru Welsh Water	Newbridge -on-Wye WwTW Storm Overflow	River Wye	4	3 h 15m	-
Dwr Cymru Welsh Water	Ford Street Storm Overflow	Afon Lliw	1	2 h 30m	-
Dwr Cymru Welsh Water	Park Lane Llandrindod Wells Storm Overflow	River Ithon	4	2 h 8m	-
Dwr Cymru Welsh Water	Lon Catwg Storm Overflow	Unnamed Tributary of the Nant Gelli-Nedd	2	1 h 30m	-
Dwr Cymru Welsh Water	Church Lane Storm Overflow	Tributary of Afon Gwy	2	1 h 15m	-
Dwr Cymru Welsh Water	Bronllys Road South Storm Overflow	River Ennig	1	1 h 14m	-
Dwr Cymru Welsh Water	Ystalyfera Glanyrafon Road Storm Overflow	River Tawe	1	1 h 7m	-
Dwr Cymru Welsh Water	Llangammarch Wells WwTW Storm Overflow	Afon Irfon	2	1 h	-
Dwr Cymru Welsh Water	Upstream of Crickhowell Garn 1 Storm Overflow	River Usk	1	0 h 56m	-
Dwr Cymru Welsh Water	Primrose Lane Lon Y Wern Storm Overflow	Nant Llechau	1	0 h 26m	-
Dwr Cymru Welsh Water	Dan-y-Gollen Overflow	Grwyne Fawr	1	0 h 15m	-
Dwr Cymru Welsh Water	A4067 and Ynysmeudw Road Roundabout Storm Overflow	River Tawe	0	0 h	-
Dwr Cymru Welsh Water	Llangors Overflow	River Llynfi	0	0 h	-
Dwr Cymru Welsh Water	Unknown	Unknown	0	0 h	-
Dwr Cymru Welsh Water	Llanyre WwTW Overflow	River Ithon	0	0 h	-
Dwr Cymru Welsh Water	Bronllys Road North Storm Overflow	River Llynfi	0	0 h	-
Dwr Cymru Welsh Water	Wye Bridge Storm Overflow	River Wye	0	0 h	-
Dwr Cymru Welsh Water	Bullpit Meadow Storm Overflow	River Usk	0	0 h	-
Dwr Cymru Welsh Water	Llanfrynach WwTW Storm Overflow	Nant Menasgin	0	0 h	-
Dwr Cymru Welsh Water	Llandrindod Wells Crabtree Green Storm Overflow	River Ithon	0	0 h	-
Dwr Cymru Welsh Water	Unknown	Unknown	0	0 h	-
Dwr Cymru Welsh Water	North Road Storm Overflow	River Wye	0	0 h	-
Dwr Cymru Welsh Water	Llanwrthwl WwTW Overflow	River Wye	0	0 h	-
Dwr Cymru Welsh Water	Brynawelon Storm Overflow	River Usk	0	0 h	-
Dwr Cymru Welsh Water	Heol Glantawe Ystradgynlais Storm Overflow	River Afan	0	0 h	-
Dwr Cymru Welsh Water	Unknown	Unknown	0	0 h	-
Dwr Cymru Welsh Water	Llys Tawel Ystradgynlais Storm Overflow	River Tawe	0	0 h	-
Dwr Cymru Welsh Water	Talybont Cattle Market Storm Overflow	Caerfanell	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	-
Dwr Cymru Welsh Water	Crickhowell Garn 2 Storm Overflow	River Usk	0	0 h	-
Dwr Cymru Welsh Water	Gwernyfed Park Storm Overflow	Felindre Brook	0	0 h	-
Dwr Cymru Welsh Water	Ystradgynlais WwTW Wetland Return Storm Overflow	River Tawe	0	0 h	-
Dwr Cymru Welsh Water	River Tawe Godre'r Graig Storm Overflow	River Tawe	0	0 h	-
Dwr Cymru Welsh Water	Tawe Terrace Storm Overflow	River Tawe	0	0 h	-
Dwr Cymru Welsh Water	Water Lane Rhayader Overflow	River Wye	0	0 h	-
Dwr Cymru Welsh Water	Rhayader Fields Storm Overflow	River Wye	0	0 h	-
Dwr Cymru Welsh Water	Crai WwTW Storm Overflow	Nant Ddu	0	0 h	-
Dwr Cymru Welsh Water	Waun Capel Parc Storm Overflow	River Wye	0	0 h	-

It's a Dirty Business

Brecon, Radnor and Cwm Tawe - Live Sewage

Polluted by sewage 17,634 hours in 2026 - That's 2.04 years so far..

Brecon, Radnor and Cwm Tawe - Live Sewage

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Constituencies near Brecon, Radnor and Cwm Tawe

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It's a Dirty Business

Brecon, Radnor and Cwm Tawe - Live Sewage Polluted by sewage 17,634 hours in 2026 - That's 2.04 years so far..

Brecon, Radnor and Cwm Tawe - Live 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 - Live Sewage

Polluted by sewage 17,634 hours in 2026 - That's 2.04 years so far..