Receiving watercourse
River Taff
54 monitored storm overflows record River Taff as their receiving watercourse in the National Storm Overflow Hub. 1 is reporting an active spill right now. Operated by Dwr Cymru Welsh Water.
54
Storm overflows
1
Active right now
0
Monitors offline
543
Spill events · 12 months
47,636h
Recorded discharge · 12 months
5
Open discrepancies
Currently spilling· 1
Every monitored overflow· 54
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- Crossbrook Street Storm OverflowDwr Cymru Welsh Wateractive
- Tonteg Road Taff Vale Storm OverflowDwr Cymru Welsh Waterinactive
- Castle Inn Bridge Storm OverflowDwr Cymru Welsh Waterinactive
- James Street Junction OverflowDwr Cymru Welsh Waterinactive
- Oakland Street Bedlinog Storm OverflowDwr Cymru Welsh Waterinactive
- Tai Mawr Way Storm OverflowDwr Cymru Welsh Waterinactive
- Tongwynlais Recreation Ground Storm OverflowDwr Cymru Welsh Waterinactive
- Abercynon Wood Road Storm OverflowDwr Cymru Welsh Waterinactive
- Cyfarthfa Road Storm OverflowDwr Cymru Welsh Waterinactive
- Swan Street Merthyr Tydfil Storm OverflowDwr Cymru Welsh Waterinactive
- Pontrhun Bridge Storm OverflowDwr Cymru Welsh Waterinactive
- Merthyr Tydfil College Car Park Storm OverflowDwr Cymru Welsh Waterinactive
- Cilfynydd WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Bethesda Street Merthyr Tydfil Storm OverflowDwr Cymru Welsh Waterinactive
- Whitland WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Whitland Storm OverflowDwr Cymru Welsh Waterinactive
- Grangetown Storm OverflowDwr Cymru Welsh Waterinactive
- Troedyrhiw Storm OverflowDwr Cymru Welsh Waterunknown
- Ynysangharad Park Pontypridd Storm OverflowDwr Cymru Welsh Waterinactive
- Ynysybwl Road Taff Vale OverflowDwr Cymru Welsh Waterinactive
- Craigwen New Storm OverflowDwr Cymru Welsh Waterinactive
- Treforest Lewistown Park OverflowDwr Cymru Welsh Waterinactive
- Pontsticill WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Ynysangharad Park Bridge Storm OverflowDwr Cymru Welsh Waterinactive
- Rodericks Terrace Storm OverflowDwr Cymru Welsh Waterinactive
- Muriel Terrace Merthyr Tydfil OverflowDwr Cymru Welsh Waterinactive
- Alexandra Road Pontypridd OverflowDwr Cymru Welsh Waterinactive
- Eastfield Terrace Storm OverflowDwr Cymru Welsh Waterinactive
- Sion Street Storm OverflowDwr Cymru Welsh Waterinactive
- Glyn Dwr Avenue Pontypridd OverflowDwr Cymru Welsh Waterinactive
- Llys Tripp Gwaelod-Y-Garth OverflowDwr Cymru Welsh Waterinactive
- High Street Pontypridd OverflowDwr Cymru Welsh Waterinactive
- Tram Road Side Storm OverflowDwr Cymru Welsh Waterinactive
- Ynys Bridge 2 Storm OverflowDwr Cymru Welsh Waterinactive
- Havelock Street Cardiff Storm OverflowDwr Cymru Welsh Waterinactive
- Llanfyrnach WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Park Street Cardiff Storm OverflowDwr Cymru Welsh Waterinactive
- Westbourne Crescent Bottom Cardiff Storm OverflowDwr Cymru Welsh Waterinactive
- Glogue WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Llanfyrnach Storm OverflowDwr Cymru Welsh Waterinactive
- Cynon WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Railway Sidings Merthyr Vale OverflowDwr Cymru Welsh Waterinactive
- Phyllis Street Storm OverflowDwr Cymru Welsh Waterinactive
- Aberfan Trunk Sewer Storm OverflowDwr Cymru Welsh Waterinactive
- Fiddlers Elbow Quakers Yard Storm OverflowDwr Cymru Welsh Waterinactive
- Lionel Terrace Storm OverflowDwr Cymru Welsh Waterinactive
- Martins Terrace Abercynon OverflowDwr Cymru Welsh Waterinactive
- Yew Street Storm OverflowDwr Cymru Welsh Waterinactive
- Poplar Road Rhydyfelin OverflowDwr Cymru Welsh Waterinactive
- Taff Street Pontypridd Storm OverflowDwr Cymru Welsh Waterinactive
- West Street Pontypridd Storm OverflowDwr Cymru Welsh Waterinactive
- Merthyr Vale Trunk Sewer Storm OverflowDwr Cymru Welsh Waterinactive
- Llantwit Road Storm OverflowDwr Cymru Welsh Waterinactive
- Cardiff Road Pontypridd Storm OverflowDwr Cymru Welsh Waterinactive
Seen something?
Sewage debris, foam, dead fish — citizen sightings are cross-referenced against the official discharge data above and strengthen the public record.