River Lliw polluted by sewage 511 times in 2023 - lasting 2,746 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Lliw in 2023
6 Sites polluted by Dwr Cymru Welsh Water
511 sewage dumps
2,746 h duration
That's 3.81 months. On average 1.4 times a day
Constituencies along River Lliw

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Lliw 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 Lliw CSO BACH Y GWREIDDYN FARM PONTLLIW 257 1,346 96.2
Dwr Cymru Welsh Water River Lliw Pont-y-cob Road CSO 105 774 64.4
Dwr Cymru Welsh Water River Lliw KINGSBRIDGE CSO GORSEINON SWANSEA 72 282 99.9
Dwr Cymru Welsh Water River Lliw Rhosog P.S 57 263 99.9
Dwr Cymru Welsh Water River Lliw Gorseinon Factory CSO 18 78 97.6
Dwr Cymru Welsh Water River Lliw GORSEINON 2 S121 BAKO CSO GORSEINON 2 0 99.3
Dwr Cymru Welsh Water River Lliw CSO APX 70YDS U/S R'WAY B'GE U 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.