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Polluted by sewage 499 times in 2025 lasting 3,321 hours
Monitoring was disabled in some locations, so could be more
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Donate NowHere are all the reported sewage overflow totals for Aberdaugleddau 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 1 of the total 11 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year. Of these 1 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | Estuary East Of Sandy Haven | HERBRANDSTON WWTW HERBRANDSTON | 75 | 1,350 | 99.9 |
| Dwr Cymru Welsh Water | Deadman'S Lake Stream | STEYNTON SPS | 47 | 882 | 99.9 |
| Dwr Cymru Welsh Water | Milford Haven Estuary | MILFORD HAVEN STW | 82 | 375 | 99.9 |
| Dwr Cymru Welsh Water | Castle Pill | M.Haven/Castle Pill CSO Pembs | 91 | 263 | 99.9 |
| Dwr Cymru Welsh Water | Esturial Waters At Rath | M'Ford Haven Rath CSO Milford Haven | 95 | 232 | 99.9 |
| Dwr Cymru Welsh Water | Milford Haven Waterway | MILFORD HAVEN STW | 18 | 98 | 99.9 |
| Dwr Cymru Welsh Water | River Hubberston Pill | PRIORY PS | 17 | 44 | 99.8 |
| Dwr Cymru Welsh Water | Esturail Waters Milford Haven | MILFORD HAVEN STW | 22 | 43 | 99.8 |
| Dwr Cymru Welsh Water | Castle Pill | A COMBINED SEWER OVERFLOW AT BEACH | 52 | 31 | 99.9 |
| Dwr Cymru Welsh Water | Esturial Waters At Hakin Point | MILFORD HAVEN CSO | 0 | 0 | 0 |
| Dwr Cymru Welsh Water | Milford Haven Estuary | Nelson Quay SPS CSO | 0 | 0 | 99.9 |
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