River Llynfi polluted by sewage 1,344 times in 2023 - lasting 10,910 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Llynfi in 2023
16 Sites polluted by Dwr Cymru Welsh Water
1,344 sewage dumps
10,910 h duration
That's 1.26 years! On average 3.7 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Llynfi in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Dwr Cymru Welsh Water River Llynfi 27 Talbot Street CSO, Maesteg 321 4,250 98.5
Dwr Cymru Welsh Water River Llynfi LLETTY BRONGU STW LLANGYNWYD MAESTG 126 1,671 100
Dwr Cymru Welsh Water River Llynfi LLETTY BRONGU WWTW LLANGYNWYD MAES 57 918 100
Dwr Cymru Welsh Water River Llynfi Maesteg South CSO Asset 95015 126 786 100
Dwr Cymru Welsh Water River Llynfi SPELTER CSO ASSET 52423 100 779 100
Dwr Cymru Welsh Water River Llynfi CSO at Maesteg Market (Point 18) 74 626 100
Dwr Cymru Welsh Water River Llynfi CSO STH OF GREENFIELD TERRACE PONT 107 364 100
Dwr Cymru Welsh Water River Llynfi CSO Cwmfelin (Point 26) 85 319 98.3
Dwr Cymru Welsh Water River Llynfi Hermon Road CSO Asset 52425 Maesteg 80 267 100
Dwr Cymru Welsh Water River Llynfi Talgarth STW Settled Storm 14 263 100
Dwr Cymru Welsh Water River Llynfi CSO Caerau Square (Point 10) 110 252 99
Dwr Cymru Welsh Water River Llynfi SLAUGHTER HOUSE CSO ASSET 52415 57 200 100
Dwr Cymru Welsh Water River Llynfi Trefecca Old Railway CSO, Maesgwyn 29 141 99.6
Dwr Cymru Welsh Water River Llynfi Brid Ogwr Pt 32 Aberkenfig CSO Br'd 22 39 100
Dwr Cymru Welsh Water River Llynfi Church Street CSO, Maesteg 32 29 99.8
Dwr Cymru Welsh Water River Llynfi CAERAU ROAD CSO ASSET 52427 MAESTEG 4 1 100
Dwr Cymru Welsh Water River Llynfi HEARTS OF OAK COTTAGES (STORM) MA 0 0 97.1
Dwr Cymru Welsh Water River Llynfi A479 Bronlly Road CSO 0 0 0

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. This uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.