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

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Constituency

✔ 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

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Constituencies near Hereford and South Herefordshire

Waterways in Hereford and South Herefordshire

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	Small Brook	STATION ST COMBINED SEWER OVERFLOW	0	0	100
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
Dwr Cymru Welsh Water	River Wye	GREYFRIARS BRIDGE CSO	0	0	0
Dwr Cymru Welsh Water	Lugg Rheay	SEATON AVENUE CSO	0	0	15.9

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.

Analysing sewage pollution by the Water Industry

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