Vale of Clwyd was polluted by sewage 585 times in 2023
lasting 2,232 hours

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Constituency

✔ means we have experimental daily data since 2023

Totals for Vale of Clwyd in 2023

34 Sites polluted by Dwr Cymru Welsh Water

585 sewage dumps
2,232 h duration

That's 3.1 months. On average 1.6 times a day

Change Over Time

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Constituencies near Vale of Clwyd

Waterways in Vale of Clwyd

Pollution Summary 2023

Here are all the reported sewage overflow totals for Vale of Clwyd 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 0 of the total 39 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Clwyd	DENBIGH WWTW	64	764	99.95
Dwr Cymru Welsh Water	Prestatyn Gutter	PRESTATYN SPS MARINE RD EAST	39	281	100
Dwr Cymru Welsh Water	River Meirchion	HENLLAN STW	90	170	100
Dwr Cymru Welsh Water	Coastal Waters/Irish Sea	WESTBOURNE AVENUE PUMPING STATION	13	93	99.9
Dwr Cymru Welsh Water	Bodelwyddan Drain	BODELWYDDAN MAIN SPS	25	90	99.9
Dwr Cymru Welsh Water	River Glanffyddion	DYSERTH STW	48	88	100
Dwr Cymru Welsh Water	Overflow Via Sewerage System S	PRESTATYN PURBECK PS	17	86	100
Dwr Cymru Welsh Water	Clwyd	Plas Yn Green CSO	17	83	99.9
Dwr Cymru Welsh Water	Prestatyn Gutter	CORONATION GARDENS PS	24	71	96.9
Dwr Cymru Welsh Water	River Ystrad	RUTHIN ROAD ROUNDABOUT CSO DENBIGH	36	65	100
Dwr Cymru Welsh Water	Prestatyn Gutter	Meliden Holding Tank - CSO	15	55	64.6
Dwr Cymru Welsh Water	River Clwyd	Rhuddlan Wastewater Treatment Works Storm Tanks	24	45	99.7
Dwr Cymru Welsh Water	Rhyl Cut	Coast Road PS Rhyl	15	44	99.4
Dwr Cymru Welsh Water	Glanfyddian Stream	LOWER DYSERTH PS	11	41	100
Dwr Cymru Welsh Water	Henllan Brook	Dalar Wen Sewage Pumping Station	47	39	100
Dwr Cymru Welsh Water	An Open Discharging To Prestatyn Gutter	Dyserth Bay SPS	6	35	99.7
Dwr Cymru Welsh Water	Henllan Brook	Panton Hall CSO	35	31	93.4
Dwr Cymru Welsh Water	Clwyd	Llandyrnog WWTW	2	24	99.9
Dwr Cymru Welsh Water	River Elwy	St Asaph Roe Parc CSO	4	24	99.7
Dwr Cymru Welsh Water	Coastal Waters/Irish Sea	WESTBOURNE AVENUE CSO NO.2	5	21	99.9
Dwr Cymru Welsh Water	R Dee	RHUDDLAN NETWORK TANK CSO	3	19	99.9
Dwr Cymru Welsh Water	Prestatyn Gutter	PRESTATYN MELIDEN ROAD - SSO	11	15	90.9
Dwr Cymru Welsh Water	Unnamed Drain To Ricer Clwyd	Trefnant Village CSO	7	9	100
Dwr Cymru Welsh Water	Rhyl Cut	MARINE PARK PS	3	7	99.8
Dwr Cymru Welsh Water	Overflow Via Sewerage System S	PRESTATYN MALL PS	3	6	100
Dwr Cymru Welsh Water	Rhyl Cut	CLIFTON PARK CSO NO.2	3	6	100
Dwr Cymru Welsh Water	River Ffyddion	Fford Aber CSO	5	4	100
Dwr Cymru Welsh Water	Rhyl Cut	CLIFTON PARK ROAD CSO NO.1	2	4	100
Dwr Cymru Welsh Water	Henllan Brook Via Surface Water Sewer	Henllan Street CSO	3	1	87.8
Dwr Cymru Welsh Water	Henllan Brook	Abbey Road CSO	4	1	88.8
Dwr Cymru Welsh Water	Railway Ditch	PRESTATYN NANT HALL PS NANT HALL RO	1	0	100
Dwr Cymru Welsh Water	Prestatyn Gutter	PRESTATYN SEVEN SISTERS ROAD SPS	1	0	100
Dwr Cymru Welsh Water	Nant Mill Stream	PRESTATYN NANT HALL PS NANT HALL RO	1	0	100
Dwr Cymru Welsh Water	Overflow Via Sewage System Sur	PRESTATYN NANT PS	1	0	100
Dwr Cymru Welsh Water	Nant Padrig	Brondyffyn CSO	0	0	9.3
Dwr Cymru Welsh Water	Henllan Brook	Frongoch (Rear of Magistrates Court) CSO	0	0	100
Dwr Cymru Welsh Water	Rhyl Cut	TY NEWYDD PUMPING STATION	0	0	100
Dwr Cymru Welsh Water	Llandyrnog Drain	LLANDYRNOG STW STORM TANKS D	0	0	100
Dwr Cymru Welsh Water	River Clwyd	CSO AT GAMEKEEPER PH, LOWER STREET, ST ASAPH	0	0	100

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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