Hereford and South Herefordshire polluted by sewage 548 times in 2023 - lasting 3,411 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Hereford and South Herefordshire in 2023
21 Sites polluted by Dwr Cymru Welsh Water
548 sewage dumps
3,411 h duration
That's 4.74 months. On average 1.5 times a day
Change Over Time

Pollution Summary 2023

Here are all the reported sewage overflow totals for Hereford and South Herefordshire in 2023. 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 2 of the total 26 CSO locations had reporting enabled for less than half the year, of which 2 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Dwr Cymru Welsh Water Worm Brook MUCH DEWCHURCH NEW STW OS PARCEL 24 64 1,016 100
Dwr Cymru Welsh Water Dulas Brook PONTRILAS WASTEWATER TREATMENT WRKS 81 915 99.9
Dwr Cymru Welsh Water River Wye PUMPING STATION AT MOCCAS STW 32 397 100
Dwr Cymru Welsh Water River Wye HOPE AND ANCHOR CSO 60 180 97.3
Dwr Cymru Welsh Water River Wye ST MARTINS ALLOTMENTS CSO HEREFORD 30 149 99.9
Dwr Cymru Welsh Water River Wye HOMS ROAD PUMPING STATION CSO 29 148 100
Dwr Cymru Welsh Water River Wye BELMONT ROUNDABOUT CSO 39 119 80.3
Dwr Cymru Welsh Water River Wye WILTON SEWAGE PUMPING STATION 13 100 96.2
Dwr Cymru Welsh Water River Wye ROSS LOWER CLEEVE WWTW 28 72 99.7
Dwr Cymru Welsh Water Yazor Brook BARTON ROAD COMBINED SEWER OVERFLOW 26 62 93.5
Dwr Cymru Welsh Water Widemarsh Brook MISS CHAVES COMBINED SEWER OVERFLOW 6 60 100
Dwr Cymru Welsh Water Olchon Brook LONGTOWN STW PS 7 47 100
Dwr Cymru Welsh Water River Dore PETERCHURCH WASTEWATER TREATMENT WK 10 45 100
Dwr Cymru Welsh Water River Wye GREAT HOUGH BROOK CSO 20 27 100
Dwr Cymru Welsh Water Rudhall Brook BRAMPTON STREET CSO 40 26 98.9
Dwr Cymru Welsh Water River Wye EIGN 1B COMBINED SEWER OVERFLOW 9 15 100
Dwr Cymru Welsh Water Rudhall Brook CAWDOR ARCH COMBINED SEWER OVERFLOW 23 13 56.9
Dwr Cymru Welsh Water Yazor Brook THREE ELMS ROAD CSO 13 7 100
Dwr Cymru Welsh Water Yazor Brook GRANDSTAND ROAD CSO 9 3 99.6
Dwr Cymru Welsh Water Yazor Brook 3 ELMS ROAD COMBINED SEWER OVERFLOW 8 2 100
Dwr Cymru Welsh Water Belvedere Brook WHITECROSS ROAD CSO HEREFORD 1 0 100
Dwr Cymru Welsh Water River Wye GREYFRIARS BRIDGE CSO 0 0 0
Dwr Cymru Welsh Water Small Brook STATION ST COMBINED SEWER OVERFLOW 0 0 100
Dwr Cymru Welsh Water Lugg Rheay SEATON AVENUE CSO 0 0 15.9
Dwr Cymru Welsh Water River Wye LEYMANS FIELD PS BRAEMAR GARDENS 0 0 100
Dwr Cymru Welsh Water River Wye EIGN WASTEWATER TREATMENT WORKS 0 0 0

Data Sources & Accuracy

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. This 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.