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Polluted by sewage 334 times in 2025 lasting 1,706 hours
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Donate NowHere are all the reported sewage overflow totals for Penfro in 2025. 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 place all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | Pembroke River | HUNDLETON WWTW INLET STORM OVERFLOW | 153 | 825 | 99.9 |
| Dwr Cymru Welsh Water | Pembroke River / Milford Haven | Penanr Fleet Street MH 4101 CSO | 60 | 767 | 95.5 |
| Dwr Cymru Welsh Water | Castle Pond | St Nicholas Crescent CSO, Pembroke | 41 | 59 | 99.7 |
| Dwr Cymru Welsh Water | Castle Pond | Mill Bridge CSO | 29 | 21 | 99.5 |
| Dwr Cymru Welsh Water | Pembroke River | Pembroke Dock Sycamore Street CSO | 25 | 18 | 99.3 |
| Dwr Cymru Welsh Water | Cocheston Pill - Headwaters To Tidal Limit | Fleet St MH2103 CSO, Pennar | 22 | 12 | 99.5 |
| Dwr Cymru Welsh Water | Lower Mill Pond | CSO WOODBINE CLOSE PEMBROKE | 3 | 0 | 99.8 |
| Dwr Cymru Welsh Water | Esturial Waters Of Pembroke River | Pembroke SPS | 1 | 0 | 99.9 |
| Dwr Cymru Welsh Water | Upper Mill Pond | CSO at Holyland Rd Pembroke MH 1301 | 0 | 0 | 99.5 |
| Dwr Cymru Welsh Water | Downstream Barrage / Pembroke River | Pembroke Town - Monkton Bridge CSO | 0 | 0 | 100 |
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