Receiving watercourse
Coastal Waters
8 monitored storm overflows on the Coastal Waters are listed in the National Storm Overflow Hub. Operated by Dwr Cymru Welsh Water.
8
Storm overflows
0
Active right now
0
Monitors offline
80
Spill events · 12 months
223h
Recorded discharge · 12 months
0
Open discrepancies
Every monitored overflow· 8
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- Morfa Bychan WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Fairbourne WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Penaenmawr Station Storm OverflowDwr Cymru Welsh Waterinactive
- Llaneilian Storm OverflowDwr Cymru Welsh Waterinactive
- Llangoed Cynlais OverflowDwr Cymru Welsh Waterinactive
- Green Acres South Cornelly Storm OverflowDwr Cymru Welsh Waterinactive
- Towyn Storm OverflowDwr Cymru Welsh Waterinactive
- Tenby Lifeboat Slip 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.