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Here are all the reported sewage overflow totals for Un-Named Watercourse 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 | Un-Named Watercourse | VALLEY STORM PS (GRAVITY DISCHARGE) | 110 | 1,404 | 99.9 |
| Dwr Cymru Welsh Water | Un-Named Watercourse | HOLYHEAD WWTW FINAL EFFLUENT PS | 142 | 610 | 100 |
| Dwr Cymru Welsh Water | Un-Named Watercourse | Valley Storm PS (Pumped Discharge) | 83 | 324 | 99.9 |
| Dwr Cymru Welsh Water | Un-Named Watercourse | TREARDDUR BAY PS (GRAVITY) | 35 | 115 | 99.4 |
| Dwr Cymru Welsh Water | Un-Named Watercourse | BRYNCOCH SEWAGE PUMPING STATION | 9 | 68 | 99.1 |
| Dwr Cymru Welsh Water | Un-Named Watercourse | Machynlleth - Popular Road CSO | 38 | 17 | 98.8 |
| Dwr Cymru Welsh Water | Un-Named Watercourse | QUEENSFERRY STW (SETTLED STORM) | 9 | 16 | 100 |
| Dwr Cymru Welsh Water | Un-Named Watercourse | LLANERCH CSO | 12 | 4 | 99.8 |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org