Alyn and Deeside polluted by sewage 655 times in 2022 - lasting 2,697 hours

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✔ means we have experimental daily data for 2023

Totals for Alyn and Deeside in 2022

29 Sites polluted by Dwr Cymru Welsh Water

655 sewage dumps
2,697 h duration

That's 3.75 months. On average 1.8 times a day

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Constituencies near Alyn and Deeside

Waterways in Alyn and Deeside

Pollution Summary 2022

Here are all the reported sewage overflow totals for Alyn and Deeside in 2022. Sometimes sewage can be being dumped for months at a time.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	Higher Ferry Drain	BRETTON PS	105	935	99.9
Dwr Cymru Welsh Water	Foundry Drain	PADESWOOD ROAD STORM TANK CSO	57	499	100
Dwr Cymru Welsh Water	Queensferry Ditch	MANCOT LANE CSO	48	202	100
Dwr Cymru Welsh Water	Black Brook	TY GWYN WWTW BUCKLEY	35	138	100
Dwr Cymru Welsh Water	Balderton Brook	SANDY LANE SPS CELYN CRESCENT SALTN	50	125	99.9
Dwr Cymru Welsh Water	Golftyn Brook	Connahs Quay Golftyn PS CSO/Storm	23	98	97.1
Dwr Cymru Welsh Water	Un-Named Of Broughton Br	Lower Farm CSO, Drury	53	96	82
Dwr Cymru Welsh Water	Black Brook, Brad Brook	Penyffordd Terminal SPS	23	85	100
Dwr Cymru Welsh Water	River Dee	Ashgrove PS Shotton	36	77	98.8
Dwr Cymru Welsh Water	Un-Named Watercourse	QUEENSFERRY STW (SETTLED STORM)	14	64	100
Dwr Cymru Welsh Water	Broughton Brook	HAWARDEN WOOD LANE CSO	34	62	100
Dwr Cymru Welsh Water	New Inn Brook	BUCKLEY LIVERPOOL ROAD - SSO	20	56	100
Dwr Cymru Welsh Water	Sandycroft Drain	Factory Road CSO, Sandycroft	9	55	99.9
Dwr Cymru Welsh Water	River Dee	Higher Kinnerton SPS	10	48	100
Dwr Cymru Welsh Water	Manor Drain	GARDEN CITY BRITISH LEGION - CSO	9	35	100
Dwr Cymru Welsh Water	River Cegidog	CYMAU PUMPING STATION/CSO	16	29	100
Dwr Cymru Welsh Water	River Alyn	CAERGWRLE - RHYDDYN HILL ROAD CSO	18	20	99.8
Dwr Cymru Welsh Water	River Dee	Connahs Quay Dock Road PS	3	20	94.2
Dwr Cymru Welsh Water	Wepre Brook	Connah's Quay Wepre PS	17	9	98.5
Dwr Cymru Welsh Water	Un-Named Of Byr Brook	Treuddyn Wastewater Treatment Works	10	9	100
Dwr Cymru Welsh Water	River Alyn	HOPE SARN LANE CSO	28	9	100
Dwr Cymru Welsh Water	Alyn	CEFN Y BEDD GWERN ALYN SPS	21	7	99.9
Dwr Cymru Welsh Water	Alltami Brook	BUCKLEY SOUTHDOWN PARK PS	3	2	100
Dwr Cymru Welsh Water	Unnamed Watercourse Flowing To River Dee	Cestrian St CSO	2	2	99.9
Dwr Cymru Welsh Water	Byr Brook	Pont y Bodkin Lower PS	1	1	97.7
Dwr Cymru Welsh Water	Byr Brook	Pont Y Bodkin Main SPS	3	1	100
Dwr Cymru Welsh Water	Pulford Brook	Powys Caer Estyn PS	3	0	99.8
Dwr Cymru Welsh Water	Pentre Drain	HAWARDEN CROSS TREE LANE - SSO	3	0	100
Dwr Cymru Welsh Water	Kelsterton Brook	KELSTERTON PUMP STN. , ,	1	0	99.8
Dwr Cymru Welsh Water	River Alyn	COMBINED SEWER OVERFLOW SERVING	0	0	100
Dwr Cymru Welsh Water	River Dee	CONNAHS QUAY DEVA AVENUE - CSO	0	0	0
Dwr Cymru Welsh Water	Black Brook Via Surface Water Drain	Pen Y Ffordd West View SPS	0	0	99.9
Dwr Cymru Welsh Water	Byr Brook Via A Ditch	CSO At Treuddyn STW	0	0	0
Dwr Cymru Welsh Water	River Cegidog	Ffrith SPS	0	0	99.7
Dwr Cymru Welsh Water	River Dee	Connahs Quay Linden Avenue - CSO	0	0	1.9
Dwr Cymru Welsh Water	Wepre Brook	CONNAHS QUAY LOW LEVEL SPS STORM	0	0	100
Dwr Cymru Welsh Water	Bretton Drain	BRETTON PS	0	0	100
Dwr Cymru Welsh Water	Wepre Brook	Buckley (The Willows) SPS	0	0	81.5
Dwr Cymru Welsh Water	Alyn	CAERGWRLE DERBY ROAD - SSO	0	0	0
Dwr Cymru Welsh Water	Broughton Brook	Sandycroft Phoenix Street CSO	0	0	8.2
Dwr Cymru Welsh Water	Balderton Brook	Saltney Bridge Street CSO	0	0	100
Dwr Cymru Welsh Water	Broughton Brook	Dobshill SPS	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

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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Alyn and Deeside polluted by sewage 655 times in 2022 - lasting 2,697 hours

29 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2022

Data Sources & Accuracy

Media Queries

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