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Here are all the reported sewage overflow totals for Unnamed Stream 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 | Unnamed Stream | HARLECH TERMINAL PS (OUTFALL B) | 132 | 1,475 | 99.6 |
| Dwr Cymru Welsh Water | Unnamed Stream | MYNYTHO STW - STORM OVERFLOW | 134 | 770 | 97.8 |
| Dwr Cymru Welsh Water | Unnamed Stream | Ty Hen Rhos PS | 69 | 725 | 100 |
| Dwr Cymru Welsh Water | Unnamed Stream | CSO At Corwen Rear Of The Pavillion | 128 | 544 | 93.8 |
| Dwr Cymru Welsh Water | Unnamed Stream | Clynnog Fawr CSO at PS | 81 | 378 | 100 |
| Dwr Cymru Welsh Water | Unnamed Stream | Llangaffo STW CSO | 118 | 293 | 100 |
| Dwr Cymru Welsh Water | Unnamed Stream | GWALCHMAI ISAF PS | 25 | 218 | 100 |
| Dwr Cymru Welsh Water | Unnamed Stream | HILLEND LLANGENNITH P.S. SSO | 18 | 48 | 99.8 |
| Dwr Cymru Welsh Water | Unnamed Stream | FRIOG SEWAGE PUMPING STATION | 8 | 9 | 97.5 |
| Dwr Cymru Welsh Water | Unnamed Stream | VALLEY DYFFRYN AND PENDYFFRYN | 5 | 9 | 100 |
| Dwr Cymru Welsh Water | Unnamed Stream | CSO Rear Of Prysor Filling Station Traw | 11 | 6 | 99.8 |
| Dwr Cymru Welsh Water | Unnamed Stream | Trefor CSO | 17 | 6 | 99.7 |
| Dwr Cymru Welsh Water | Unnamed Stream | HARLECH OUTSIDE LAUNDRY | 7 | 3 | 58.7 |
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