Receiving watercourse
River Llynfi
27 monitored storm overflows record River Llynfi as their receiving watercourse in the National Storm Overflow Hub. Operated by Dwr Cymru Welsh Water.
27
Storm overflows
0
Active right now
0
Monitors offline
350
Spill events · 12 months
45,484h
Recorded discharge · 12 months
6
Open discrepancies
Every monitored overflow· 27
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- Llanllyfni WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Lletty Brongu WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Llangors OverflowDwr Cymru Welsh Waterinactive
- Bridgend off Hearts of Oak Cottages Storm OverflowDwr Cymru Welsh Waterinactive
- Bronllys Road North Storm OverflowDwr Cymru Welsh Waterinactive
- Off Glan-yr-afon road Cwmfelin Maesteg Storm OverflowDwr Cymru Welsh Waterinactive
- Caerau Square Storm OverflowDwr Cymru Welsh Waterinactive
- Talbot Street Maesteg Storm OverflowDwr Cymru Welsh Waterinactive
- Riverside Coytrahen OverflowDwr Cymru Welsh Waterinactive
- Caerau Road Storm OverflowDwr Cymru Welsh Waterinactive
- Parc-Tyn-Y-Waun Llangynwyd Storm OverflowDwr Cymru Welsh Waterinactive
- Hermon Road Storm OverflowDwr Cymru Welsh Waterinactive
- Heol Tywith Maesteg Storm OverflowDwr Cymru Welsh Waterinactive
- Penygroes Storm OverflowDwr Cymru Welsh Waterinactive
- Maesteg Bridgend Road Storm OverflowDwr Cymru Welsh Waterinactive
- Church Street Maesteg Storm OverflowDwr Cymru Welsh Waterinactive
- Bangor Street Nantyffyllon Storm OverflowDwr Cymru Welsh Waterinactive
- Talgarth WwTW Storm OverflowDwr Cymru Welsh Waterinactive
- Bridgend Road Maesteg OverflowDwr Cymru Welsh Waterinactive
- Maesteg Row Maesteg Storm OverflowDwr Cymru Welsh Waterinactive
- B4418 Caernarfon Storm OverflowDwr Cymru Welsh Waterunknown
- Castle Street Maesteg Storm OverflowDwr Cymru Welsh Waterinactive
- Maesteg Paddock Wood Storm OverflowDwr Cymru Welsh Waterinactive
- Trefecca Old Railway Storm OverflowDwr Cymru Welsh Waterinactive
- Maesteg Market Storm OverflowDwr Cymru Welsh Waterinactive
- Aberkenfig Railway Storm OverflowDwr Cymru Welsh Waterinactive
- Rhedyw Road Llanllyfni 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.