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Clwyd North was polluted by sewage 961 times in 2023
lasting 5,824 hours

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Constituency

✔ means we have experimental daily data since 2023

Totals for Clwyd North in 2023

35 Sites polluted by Dwr Cymru Welsh Water

961 sewage dumps
5,824 h duration

That's 8.09 months. On average 2.6 times a day

Change Over Time

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Constituencies near Clwyd North

Waterways in Clwyd North

Pollution Summary 2023

Here are all the reported sewage overflow totals for Clwyd North 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 41 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	Penrhyn Bay	CHURCH RD PS CHURCH RD RHOS ON SEA	111	1,335	92.6
Dwr Cymru Welsh Water	Coastal Waters	PENSARN SPS ABERGELE STORM	115	1,020	99.9
Dwr Cymru Welsh Water	River Clwyd	DENBIGH WWTW	64	764	99.95
Dwr Cymru Welsh Water	Liverpool Bay	LLANDDULAS PS LLANDULAS	79	744	99.7
Dwr Cymru Welsh Water	Coastal Waters - Liverpool Bay	RHYL (KINMEL BAY) WWTW KINMEL BAY	65	722	99.4
Dwr Cymru Welsh Water	River Meirchion	HENLLAN STW	90	170	100
Dwr Cymru Welsh Water	Ffynnon Y Ddol Channel	KERFOOT CARAVAN PARK CSO	26	165	99.8
Dwr Cymru Welsh Water	Colwyn Bay	Old Colwyn Queens Road CSO	27	115	99.6
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	Clwyd	Plas Yn Green CSO	17	83	99.9
Dwr Cymru Welsh Water	River Ystrad	RUTHIN ROAD ROUNDABOUT CSO DENBIGH	36	65	100
Dwr Cymru Welsh Water	Ffynnon Y Ddol Channel	MAES Y LLAN CSO	9	62	93.1
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	Colwyn Bay	BEACH ROAD CSO BEACH RD COLWYN BAY	36	44	80.1
Dwr Cymru Welsh Water	Henllan Brook	Dalar Wen Sewage Pumping Station	47	39	100
Dwr Cymru Welsh Water	Kinmel Bay Drain	FORYD RD EMERGENCY KINMEL BAY ,	3	33	100
Dwr Cymru Welsh Water	Henllan Brook	Panton Hall CSO	35	31	93.4
Dwr Cymru Welsh Water	River Elwy	St Asaph Roe Parc CSO	4	24	99.7
Dwr Cymru Welsh Water	River Gele	Berthglyd Combined Sewer Overflow	11	22	99.8
Dwr Cymru Welsh Water	Coastal Waters/Irish Sea	WESTBOURNE AVENUE CSO NO.2	5	21	99.9
Dwr Cymru Welsh Water	Colwyn Bay	Old Colwyn Beach Rd	52	21	99.7
Dwr Cymru Welsh Water	R Dee	RHUDDLAN NETWORK TANK CSO	3	19	99.9
Dwr Cymru Welsh Water	River Dulas	Rhyd Y Foel PS	13	13	48.6
Dwr Cymru Welsh Water	Unnamed Drain To Ricer Clwyd	Trefnant Village CSO	7	9	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	Nant Y Flynnon	Llawr Pentre CSO (Near Beach Road)	9	4	99.9
Dwr Cymru Welsh Water	Rhyl Cut	CLIFTON PARK ROAD CSO NO.1	2	4	100
Dwr Cymru Welsh Water	Henllan Brook	Abbey Road CSO	4	1	88.8
Dwr Cymru Welsh Water	Henllan Brook Via Surface Water Sewer	Henllan Street CSO	3	1	87.8
Dwr Cymru Welsh Water	Colwyn Bay	MARINE RD CSO MARINE RD COLWYN BAY	1	1	100
Dwr Cymru Welsh Water	Nant Y Ffynnon	PS OFF LLANELION ROAD COLWYN BAY	1	0	99.7
Dwr Cymru Welsh Water	Coastal Waters	COVENTRY CAMP SPS STORM	1	0	100
Dwr Cymru Welsh Water	Rhyl Cut	TY NEWYDD PUMPING STATION	0	0	100
Dwr Cymru Welsh Water	River Clwyd	CSO AT GAMEKEEPER PH, LOWER STREET, ST ASAPH	0	0	100
Dwr Cymru Welsh Water	Henllan Brook	Frongoch (Rear of Magistrates Court) CSO	0	0	100
Dwr Cymru Welsh Water	Coastal Waters - Irish Sea	LLYSFAEN	0	0	80.5
Dwr Cymru Welsh Water	River Dulas	LLANDULAS MILL ST CSO , ,	0	0	23.4
Dwr Cymru Welsh Water	Nant Padrig	Brondyffyn CSO	0	0	9.3

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

With generous support from:

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