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Here are all the reported sewage overflow totals for River Neath 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 Neath | CWMGWRCH STW CWMGWRCH NEATH | 113 | 1,331 | 99.9 |
| Dwr Cymru Welsh Water | River Neath | RESOLVEN STW STORM TANKS NEATH | 67 | 585 | 99.2 |
| Dwr Cymru Welsh Water | River Neath | Park Avenue CSO | 110 | 517 | 97.8 |
| Dwr Cymru Welsh Water | River Neath | Chainbridge CSO, Glyn-Neath | 67 | 505 | 99.2 |
| Dwr Cymru Welsh Water | River Neath | Clyne SPS Clyne Neath Neath Port T | 57 | 405 | 71.4 |
| Dwr Cymru Welsh Water | River Neath | CSO AT REAR GODFREY AVENUE GLYNNEATH NPT | 78 | 293 | 99.9 |
| Dwr Cymru Welsh Water | River Neath | CSO 48 NEATH RIVER BRIDGE ADJ CALOR | 86 | 183 | 99.9 |
| Dwr Cymru Welsh Water | River Neath | CSO IN FOOTPATH ADJ BETHEL RD | 37 | 94 | 99.9 |
| Dwr Cymru Welsh Water | River Neath | Gnoll Park Road CSO | 71 | 69 | 99.4 |
| Dwr Cymru Welsh Water | River Neath | GUNSIGHT OVERFLOW SWO 11 CSO | 24 | 49 | 99.9 |
| Dwr Cymru Welsh Water | River Neath | Cadoxton Road CSO Cadoxton Road | 3 | 39 | 99.9 |
| Dwr Cymru Welsh Water | River Neath | Commercial Road Sewage Pumping Station | 34 | 28 | 99.9 |
| Dwr Cymru Welsh Water | River Neath | HEOL ILLTYD CSO BRYNCOCH NPT | 9 | 26 | 99.9 |
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
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org