Analysing sewage pollution by the Water Industry
With generous support from:
Cold Knap was the #194 most polluted bathing area in England & Wales, by duration of sewage overflows, as reported by the water companies
Here are all the reported sewage overflow totals for Cold Knap in 2022.
If the locations of the sewage outlets look a bit unusual, it is likely that the reporting of the data from the water company is in error. We rely on their data in order to draw these maps.
Accuracy Warning We use data from the water companies, but we are seeing many anomalies, that make us believe that bathing location information is quite poor. The situation is likely far worse than reported here.
Other CSOs may also be located nearby, however the water companies claim that these do not affect the water quality here.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | Whitelands Brook | Storm and Emergency Overflow at Porthkerry Pumping Station | 4 | 63 | 100 |
| Dwr Cymru Welsh Water | Bristol Channel | BARRY TOWN PS ISLAND CAR PARK BARRY | 14 | 9 | 98.7 |
| Dwr Cymru Welsh Water | Nant Talwg | CSO and EO at Nant Talwg Pumping Station | 1 | 3 | 99.5 |
| Dwr Cymru Welsh Water | Nant Talwg | Barry Westward Rise SPS | 7 | 2 | 100 |
| Dwr Cymru Welsh Water | Barry Harbour | BARRY TOWN PS (EMER) ISLAND CAR PK | 2 | 0 | 100 |
| Dwr Cymru Welsh Water | Barry Brook | CSO and EO at Cwm Barry Pumping Station | 2 | 0 | 98.9 |
| Dwr Cymru Welsh Water | Barry Old Harbour | KNAPP SEWAGE PUMPING STATION BARRY | 1 | 0 | 19.9 |
| Dwr Cymru Welsh Water | Barry Dock No1 | Dyfrig Street CSO | 1 | 0 | 100 |
| Dwr Cymru Welsh Water | Barry Brook | Pontypridd Road CSO Barry | 1 | 0 | 99.8 |
| Dwr Cymru Welsh Water | Nant Talwg | Barry Nant Talwg Way SPS | 1 | 0 | 99.4 |
| Dwr Cymru Welsh Water | Bristol Channel | CSO at Cold Knap Pumping Station | 0 | 0 | 100 |
| Dwr Cymru Welsh Water | Barry Old Harbour | Barry Island SPS | 0 | 0 | 100 |
| Dwr Cymru Welsh Water | Barry Brook | COLCOT ROAD/CLAUDE ROAD ASSEST NO | 0 | 0 | 100 |
EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales
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.
Analysing sewage pollution by the Water Industry
With generous support from: