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

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Contains OS Data © Crown copyright & database right 2021-2022
© Top of the Poops 2021-2023
✔ 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

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.