Receiving watercourse
River Erch
7 monitored storm overflows record River Erch as their receiving watercourse in the National Storm Overflow Hub. Operated by Dwr Cymru Welsh Water.
7
Storm overflows
0
Active right now
0
Monitors offline
60
Spill events · 12 months
9,895h
Recorded discharge · 12 months
1
Open discrepancies
Every monitored overflow· 7
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- Abererch Road Crossing Storm OverflowDwr Cymru Welsh Waterinactive
- Morfa'r Garreg Storm OverflowDwr Cymru Welsh Waterinactive
- Gimblet Rock Storm OverflowDwr Cymru Welsh Waterinactive
- Four Crosses WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Glan-Y-Don Pwllheli Storm OverflowDwr Cymru Welsh Waterinactive
- Abererch WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Llangybi WwTW 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.