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River Loughor polluted by sewage 695 times in 2025 - lasting 6,518 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Totals for River Loughor in 2025
8 Sites polluted by Dwr Cymru Welsh Water
695 sewage dumps
6,518 h duration
That's 9.05 months. On average 1.9 times a day
Constituencies along River Loughor

Pollution Summary 2025

Here are all the reported sewage overflow totals for River Loughor in 2025. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Dwr Cymru Welsh Water River Loughor CSO 14/43 PONT Y CLERC Rd AMMANFORD 135 1,996 99.9
Dwr Cymru Welsh Water River Loughor GARNSWLLT STW LONGELIN AMMANFORD 103 1,864 99.9
Dwr Cymru Welsh Water River Loughor CSO 16 PANTYFFYNON RAILWAY BRIDGE 91 837 99.9
Dwr Cymru Welsh Water River Loughor Combined Sewer Overflow 15 121 819 98.6
Dwr Cymru Welsh Water River Loughor PEN Y BANC CSO 40 ON HENDRE SEWER 73 409 98.7
Dwr Cymru Welsh Water River Loughor Ynys Tomenlle CSO Iscoed R'd Hendy 78 322 99.9
Dwr Cymru Welsh Water River Loughor Penybanc Rd 2 CSO 64 227 99
Dwr Cymru Welsh Water River Loughor Old NCB Yard CSO, Penybanc 30 43 95.1

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. Live sewage data from Stream Water API

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.