Polluted by sewage 336 times in 2024 lasting 2,029 hours
Monitoring fell below 50% in some locations so could be more
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Donate NowHere are all the reported sewage overflow totals for Caerffili in 2024. Sometimes sewage can be being dumped for months at a time.
Reporting refers to how much of the time the monitoring was active. In this locality 1 of the total 9 CSO locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | Porset Brook | CSO at Lansbury Park Estate | 139 | 1,334 | 91.9 |
| Dwr Cymru Welsh Water | Nant Y Aber | Combined Sewer Overflow at Bryn Siriol | 81 | 361 | 80.8 |
| Dwr Cymru Welsh Water | River Rhymney | Forge Engineering CSO, Bedwas | 41 | 150 | 99.4 |
| Dwr Cymru Welsh Water | Nant Yr Aber | Crossways Retail Park CSO | 29 | 99 | 98.3 |
| Dwr Cymru Welsh Water | River Rhymney | BEDWAS SUNNYBANK FARM CSO | 19 | 67 | 31.4 |
| Dwr Cymru Welsh Water | Nant Yr Aber | Graig-Y-Fedw CSO | 26 | 16 | 98.8 |
| Dwr Cymru Welsh Water | Nant-Yr-Aber | 86 Nantgarw Rd CSO | 1 | 0 | 92.3 |
| Dwr Cymru Welsh Water | Nant Yr Aber | Abertridwr Coed Cae Road 1 CSO | 0 | 0 | 99.4 |
| Dwr Cymru Welsh Water | River Rhymney | COMBINED SEWER OVERFLOW SERVING | 0 | 0 | 57 |
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.