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Polluted by sewage 370 times in 2024 lasting 1,715 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 Penarth 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 12 CSO locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | Sully Brook | CSO and EO at Penarth Stonylands Pumping Station, Penarth | 52 | 522 | 93.5 |
| Dwr Cymru Welsh Water | Severn Estuary | BROCKHILL RISE & LAVERNOCK RD SSO'S | 85 | 372 | 98.1 |
| Dwr Cymru Welsh Water | Severn Estuary | PENARTH HEAD SEWAGE PUMPING STATION | 70 | 340 | 99.8 |
| Dwr Cymru Welsh Water | River Ely | Penarth Llandough Moors Cardiff CSO, Cardiff | 27 | 193 | 77.8 |
| Dwr Cymru Welsh Water | Cardiff Bay | Grangetown SPS | 29 | 110 | 96.8 |
| Dwr Cymru Welsh Water | Severn Estuary | KYMIN PS PENARTH CARDIFF , | 42 | 99 | 99.2 |
| Dwr Cymru Welsh Water | River Taff Estuary | Harrowby Street PS | 31 | 28 | 83.6 |
| Dwr Cymru Welsh Water | River Ely | Cogan Storm Tank Cogan Penarth | 4 | 22 | 99.9 |
| Dwr Cymru Welsh Water | River Ely Estuary | Cogan SPS | 11 | 11 | 99.8 |
| Dwr Cymru Welsh Water | River Ely | Penarth Road WDPS | 8 | 10 | 99.8 |
| Dwr Cymru Welsh Water | Severn Estuary | Penarth Marina SPS | 9 | 3 | 38.1 |
| Dwr Cymru Welsh Water | Sully Brook | A Combined Sewer Overflow Rear Of | 2 | 0 | 99.4 |
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.
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Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org