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Polluted by sewage 593 times in 2025 lasting 2,889 hours
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Donate NowHere are all the reported sewage overflow totals for Hereford and South Herefordshire 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 constituency 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 | Worm Brook | MUCH DEWCHURCH NEW STW OS PARCEL 24 | 42 | 645 | 99.9 |
| Dwr Cymru Welsh Water | Dulas Brook | PONTRILAS WASTEWATER TREATMENT WRKS | 37 | 553 | 99.9 |
| Dwr Cymru Welsh Water | River Wye | EIGN WASTEWATER TREATMENT WORKS | 47 | 405 | 99.9 |
| Dwr Cymru Welsh Water | River Wye | PUMPING STATION AT MOCCAS STW | 21 | 300 | 99.9 |
| Dwr Cymru Welsh Water | River Wye | HOPE AND ANCHOR CSO | 56 | 273 | 95.8 |
| Dwr Cymru Welsh Water | Olchon Brook | LONGTOWN STW PS | 12 | 159 | 99.8 |
| Dwr Cymru Welsh Water | River Wye | ROSS LOWER CLEEVE WWTW | 21 | 99 | 99.9 |
| Dwr Cymru Welsh Water | River Wye | ST MARTINS ALLOTMENTS CSO HEREFORD | 31 | 96 | 99.9 |
| Dwr Cymru Welsh Water | River Dore | PETERCHURCH WASTEWATER TREATMENT WK | 12 | 85 | 99.8 |
| Dwr Cymru Welsh Water | River Wye | HOMS ROAD PUMPING STATION CSO | 23 | 61 | 99.9 |
| Dwr Cymru Welsh Water | River Wye | BELMONT ROUNDABOUT CSO | 9 | 50 | 94.1 |
| Dwr Cymru Welsh Water | River Wye | GREYFRIARS BRIDGE CSO | 15 | 32 | 92.8 |
| Dwr Cymru Welsh Water | River Wye | WILTON SEWAGE PUMPING STATION | 4 | 26 | 99.9 |
| Dwr Cymru Welsh Water | River Wye | EIGN 1B COMBINED SEWER OVERFLOW | 8 | 24 | 99.9 |
| Dwr Cymru Welsh Water | Rudhall Brook | BRAMPTON STREET CSO | 27 | 22 | 98.4 |
| Dwr Cymru Welsh Water | River Wye | GREAT HOUGH BROOK CSO | 10 | 13 | 99.9 |
| Dwr Cymru Welsh Water | Yazor Brook | 3 ELMS ROAD COMBINED SEWER OVERFLOW | 24 | 11 | 98 |
| Dwr Cymru Welsh Water | Rudhall Brook | CAWDOR ARCH COMBINED SEWER OVERFLOW | 12 | 10 | 99.8 |
| Dwr Cymru Welsh Water | Yazor Brook | THREE ELMS ROAD CSO | 14 | 6 | 99.9 |
| Dwr Cymru Welsh Water | Yazor Brook | GRANDSTAND ROAD CSO | 11 | 4 | 99.3 |
| Dwr Cymru Welsh Water | Yazor Brook | BARTON ROAD COMBINED SEWER OVERFLOW | 144 | 4 | 99.9 |
| Dwr Cymru Welsh Water | Lugg Rheay | SEATON AVENUE CSO | 6 | 2 | 93.7 |
| Dwr Cymru Welsh Water | Widemarsh Brook | MISS CHAVES COMBINED SEWER OVERFLOW | 2 | 0 | 99.9 |
| Dwr Cymru Welsh Water | Small Brook | STATION ST COMBINED SEWER OVERFLOW | 3 | 0 | 99.9 |
| Dwr Cymru Welsh Water | Belvedere Brook | WHITECROSS ROAD CSO HEREFORD | 2 | 0 | 100 |
| Dwr Cymru Welsh Water | River Wye | LEYMANS FIELD PS BRAEMAR GARDENS | 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