Receiving watercourse
Afon Cadnant
8 monitored storm overflows record Afon Cadnant as their receiving watercourse in the National Storm Overflow Hub. Operated by Dwr Cymru Welsh Water.
8
Storm overflows
0
Active right now
0
Monitors offline
33
Spill events · 12 months
1,373h
Recorded discharge · 12 months
1
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.
- Mill Lane Caernarfon Storm OverflowDwr Cymru Welsh Waterinactive
- Margret Street Storm OverflowDwr Cymru Welsh Waterinactive
- Llandegfan Menai Bridge Storm OverflowDwr Cymru Welsh Waterunknown
- Llanberis Road Storm OverflowDwr Cymru Welsh Waterinactive
- Tan Y Buarth Bethel Storm OverflowDwr Cymru Welsh Waterinactive
- Tregof Bethel Storm OverflowDwr Cymru Welsh Waterinactive
- Ysgoldy Storm OverflowDwr Cymru Welsh Waterinactive
- Gorsllwyd Llanddona 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.