Top of the Poops | Constituency Sewage Map

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Torfaen 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.

Totals for Torfaen in 2026

Sewage10,466 hours

Monitoring offline0 hours

Potential pollution0 hours

Storm overflows62

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Constituencies near Torfaen

Company	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Offline/Potential Pollution
Dwr Cymru Welsh Water	Viaduct Road Garndiffaith Storm Overflow	Cwm Ffrwd	120	1,852h 24m	-
Dwr Cymru Welsh Water	Woodland Road and Recreation Ground Cwmbran Overflow	Afon Lwyd	96	1,211h	-
Dwr Cymru Welsh Water	Llanfrechfa Storm Tanks Overflow	Afon Lwyd	75	1,128h 30m	-
Dwr Cymru Welsh Water	Fairview Court Storm Overflow	Afon Lwyd	55	1,090h 19m	-
Dwr Cymru Welsh Water	Cwmbran Chapen Lane Storm Overflow	Afon Lwyd	38	786h 29m	-
Dwr Cymru Welsh Water	Old Road Storm Overflow	Afon Lwyd	48	574h 52m	-
Dwr Cymru Welsh Water	Griffithstown Subsidiary Sewer Storm Overflow	Afon Lwyd	55	438h 48m	-
Dwr Cymru Welsh Water	Riverside Car Park Storm Overflow	Afon Lwyd	77	430h 19m	-
Dwr Cymru Welsh Water	Ty Coch Way Storm Overflow	Dowlais Brook	37	406h 29m	-
Dwr Cymru Welsh Water	New Inn New Road Storm Overflow	Afon Lwyd	53	280h 4m	-
Dwr Cymru Welsh Water	Mill Road Pontnewynydd 1 Storm Overflow	Afon Lwyd	41	244h 59m	-
Dwr Cymru Welsh Water	Cwmbran Porthmawr Road Storm Overflow	Cwmbran Brook	55	187h 50m	-
Dwr Cymru Welsh Water	Pontypool Park West Storm Overflow	Afon Lwyd	36	161h 40m	-
Dwr Cymru Welsh Water	Blaenavon Forgeside Storm Overflow	Afon Lwyd	20	150h 55m	-
Dwr Cymru Welsh Water	Bridge Street Blaenavon Storm Overflow	Afon Lwyd	28	144h 58m	-
Dwr Cymru Welsh Water	Pontypool Fountain Road Storm Overflow	Afon Lwyd	31	137h 31m	-
Dwr Cymru Welsh Water	Avon Road Blaenavon Storm Overflow	Afon Lwyd	24	123h 36m	-
Dwr Cymru Welsh Water	Brookland Terrace Recreation Ground Storm Overflow	Blaen Bran Brook	24	106h 31m	-
Dwr Cymru Welsh Water	Green Willows Storm Overflow	Dowlais Brook	20	96h 5m	-
Dwr Cymru Welsh Water	Freeholdland Road Storm Overflow	Afon Lwyd	18	93h 20m	-
Dwr Cymru Welsh Water	Llwyn Onn Storm Overflow	Afon Lwyd	9	92h 10m	-
Dwr Cymru Welsh Water	Ponthir Works Inlet Storm overflow	Afon Lwyd	14	84h	-
Dwr Cymru Welsh Water	Somerset Road Storm Overflow	Afon Lwyd	16	83h 18m	-
Dwr Cymru Welsh Water	Bellevue Road Storm Overflow	Cwm Bran Brook	19	76h 30m	-
Dwr Cymru Welsh Water	Crumlin Road Pontypool 2 Storm Overflow	Trosnant Brook	14	73h 44m	-
Dwr Cymru Welsh Water	Rede Road Storm Overflow	Nant Y Milwr	9	68h 38m	-
Dwr Cymru Welsh Water	Abersychan Cwmavon Road Storm Overflow	Afon Lwyd	23	59h 31m	-
Dwr Cymru Welsh Water	Woodland View Pontypool Storm Overflow	Afon Lwyd	4	38h 30m	-
Dwr Cymru Welsh Water	Charles Street Blaenavon Storm Overflow	Culvert Leading to Afon Lwyd	5	23h 13m	-
Dwr Cymru Welsh Water	Pontypool Hanbury Road Storm Overflow	Afon Lwyd	19	20h 8m	-
Dwr Cymru Welsh Water	Cwmavon Road Cwmavon Storm Overflow	Afon Lwyd	23	18h 41m	-
Dwr Cymru Welsh Water	Avondale Road Sebastopol Cwmbran Storm Overflow	Unnamed Tributary of Afon Lwyd	10	18h 26m	-
Dwr Cymru Welsh Water	Polo Grounds Storm Overflow	Afon Lwyd	10	18h 8m	-
Dwr Cymru Welsh Water	Pontnewyndd Hospital Road Storm Overflow	Afon Lwyd	16	16h 44m	-
Dwr Cymru Welsh Water	Pontyfelin Lane Lower New Inn Storm Overflow	Afon Lwyd	4	16h 16m	-
Dwr Cymru Welsh Water	Edlogan Way 1 Overflow	Afon Lwyd	8	15h 57m	-
Dwr Cymru Welsh Water	Edlogan Way 2 Overflow		6	14h 51m	-
Dwr Cymru Welsh Water	Trosnant Street Pontypool Storm Overflow	The Trosnant Brook	7	12h 55m	-
Dwr Cymru Welsh Water	Cwmavon Road Garndiffaith No.3 Storm Overflow	Afon Lwyd	4	12h 37m	-
Dwr Cymru Welsh Water	Turners End Overflow	Unnamed Watercourse	5	10h 14m	-
Dwr Cymru Welsh Water	Pontnewydd Cwmbran Road Storm Overflow	Tributary of Afon Lwyd	10	9h 42m	-
Dwr Cymru Welsh Water	West Wainfelin Road Pontypool Overflow	Afon Lwyd	1	7h	-
Dwr Cymru Welsh Water	Trevethin Storm Tank Storm Overflow	Afon Lwyd	1	7h	-
Dwr Cymru Welsh Water	East Wainfelin Road Pontypool Overflow	Afon Lwyd	3	6h 13m	-
Dwr Cymru Welsh Water	Middle Coaedcae Road Blaenavon Overflow	Afon Lwyd	3	3h 43m	-
Dwr Cymru Welsh Water	Beaumaris Drive Storm Overflow	Afon Lwyd	1	2h 59m	-
Dwr Cymru Welsh Water	Mill Road Pontnewynydd 2 Storm Overflow	Afon Lwyd	1	2h 14m	-
Dwr Cymru Welsh Water	Turners End Cwmbran Overflow	Dowlais Brook	2	1h 44m	-
Dwr Cymru Welsh Water	Llantarnam Covent Grounds Storm Overflow	Afon Lwyd	2	1h 29m	-
Dwr Cymru Welsh Water	Olway Close Front Storm Overflow	Afon Lwyd	1	1h	-
Dwr Cymru Welsh Water	Tram Lane Storm Overflow	Blaen Bran Brook	2	0h 57m	-
Dwr Cymru Welsh Water	Snatchwood Road Storm Overflow	Afon Lwyd	1	0h 29m	-
Dwr Cymru Welsh Water	Pontypool Limekiln Road Storm Overflow	Afon Lwyd	0	0h	-
Dwr Cymru Welsh Water	Cwmbran Woodside Road Storm Overflow	Cwmbran Brook	0	0h	-
Dwr Cymru Welsh Water	Varteg Road Blaenavon Overflow	Afon Lwyd	0	0h	-
Dwr Cymru Welsh Water	Llangorse Road Storm Overflow	Afon Lwyd	0	0h	-
Dwr Cymru Welsh Water	Upper Hospital Road Pontnewynydd Storm Overflow	Afon Lwyd	0	0h	-
Dwr Cymru Welsh Water	Maes Ffynnon Storm Overflow	Unnamed Tributary of Brandy Brook	0	0h	-
Dwr Cymru Welsh Water	Llewllyn Road Storm Overflow	Afon Lwyd	0	0h	-
Dwr Cymru Welsh Water	Olway Close Rear Storm Overflow	Afon Lwyd	0	0h	-
Dwr Cymru Welsh Water	Rosemary Lane Pontypool Storm Overflow	Afon Lwyd	0	0h	-
Dwr Cymru Welsh Water	Pontypool Leigh Road Storm Overflow	Afon Lwyd	0	0h	-

Company

Site Name

Receiving Waterway

Overflow Days

Total Duration (hours)

Offline/Potential Pollution

Dwr Cymru Welsh Water

Viaduct Road Garndiffaith Storm Overflow

Cwm Ffrwd

120

1,852h 24m

Dwr Cymru Welsh Water