Receiving watercourse
Rhondda Fawr
7 monitored storm overflows on the Rhondda Fawr are listed in the National Storm Overflow Hub. 1 is reporting an active spill right now. Operated by Dwr Cymru Welsh Water.
7
Storm overflows
1
Active right now
0
Monitors offline
76
Spill events · 12 months
89h
Recorded discharge · 12 months
1
Open discrepancies
Currently spilling· 1
Every monitored overflow· 7
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- Pen Dinas Road Dinas Storm OverflowDwr Cymru Welsh Wateractive
- Rheidol Close Rail Bridge Storm OverflowDwr Cymru Welsh Waterinactive
- Bute Street Treherbert Storm OverflowDwr Cymru Welsh Waterinactive
- Oak Street Treherbert Storm OverflowDwr Cymru Welsh Waterinactive
- Treherbert Blaencwm Road Storm OverflowDwr Cymru Welsh Waterinactive
- Elizabeth Close Pentre Storm OverflowDwr Cymru Welsh Waterinactive
- Cymmer Road Porth 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.