City of Chester polluted by sewage 652 times in 2022 - lasting 1,506 hours

© OpenStreetMap contributors
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 City of Chester in 2022
24 Sites polluted by Dwr Cymru Welsh Water
652 sewage dumps
1,506 h duration
That's 2.09 months. On average 1.8 times a day

Pollution Summary 2022

Here are all the reported sewage overflow totals for City of Chester 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 Aldford Brook ALDFORD SEWAGE TREATMENT WORKS 77 362 100
Dwr Cymru Welsh Water River Dee CHESTER WASTEWATER TREATMENT WORKS 49 249 100
Dwr Cymru Welsh Water River Dee DEE LANE CSO 80 233 95.5
Dwr Cymru Welsh Water Bache Brook CHESTER PARKGATE COURT SPS 10 104 99.9
Dwr Cymru Welsh Water River Dee LITTLE ROODEE CSO 52 92 100
Dwr Cymru Welsh Water Bache Brook CHESTER TROOPER INN CSO 23 73 98.6
Dwr Cymru Welsh Water River Dee THE GROVES CSO 47 69 100
Dwr Cymru Welsh Water River Dee DEVA TERRACE CSO 55 55 95.4
Dwr Cymru Welsh Water River Dee CSO AT CHESTER STW 44 49 100
Dwr Cymru Welsh Water Highfield Drain PARKGATE ROAD PS CHESTER , 12 37 97.7
Dwr Cymru Welsh Water River Dee CHESTER WEIR (SOUTH BANK) CSO 18 32 99.7
Dwr Cymru Welsh Water Of Balderton Brook MARLSTON CUM LACHE PS SSO 10 26 99.9
Dwr Cymru Welsh Water River Dee THE DINGLE CHESTER CSO 52 26 85.6
Dwr Cymru Welsh Water River Dee BOATHOUSE INN CSO 26 21 97.5
Dwr Cymru Welsh Water Bache Brook WEST OF WEALSTONE LANE CSO 21 18 100
Dwr Cymru Welsh Water Caldy Brook CHRISTLETON WHITCHURCH ROAD PS 8 16 100
Dwr Cymru Welsh Water River Dee SAUGHALL VILLAGE CSO 13 10 95.7
Dwr Cymru Welsh Water River Dee SANDY LANE COMBINED SEWER OVERFLOW 25 10 71.9
Dwr Cymru Welsh Water River Dee SALTNEY SEWERAGE CHESTER STREET PS 16 7 99.5
Dwr Cymru Welsh Water Bache Brook BACHE TANKS CSO 6 6 100
Dwr Cymru Welsh Water Garden City Drain SAUGHALL SEAHILL ROAD PS CSO 4 1 100
Dwr Cymru Welsh Water Caldy Brook CHRISTLETON OLD WOMAN'S LANE CSO 1 0 100
Dwr Cymru Welsh Water Ditch PLOUGH LANE EAST PUMPING STATION 2 0 100
Dwr Cymru Welsh Water River Dee GROSVENOR BRIDGE CSO 1 0 99.8
Dwr Cymru Welsh Water Finchett'S Gutter DALESIDE COMBINED SEWER OVERFLOW 0 0 99.8
Dwr Cymru Welsh Water River Dee CHESTER BELGRAVE PARK SPS 0 0 99.9
Dwr Cymru Welsh Water Dee ECCLESTON PUMPING STATION 0 0 99.3
Dwr Cymru Welsh Water Balderton Brook MARLSTON-CUM-LACHE PUMPING STATION 0 0 4.9
Dwr Cymru Welsh Water River Dee REAR OF 22 CURZON PARK NORTH CSO 0 0 100
Dwr Cymru Welsh Water Caldy Brook THE RAKE AND PIKLE PUMPING STATION 0 0 98.8
Dwr Cymru Welsh Water River Dee OLD DEE BRIDGE (NORTH BANK) CSO 0 0 99.3
Dwr Cymru Welsh Water Finchett'S Gutter MOSTON ROAD CSO 0 0 100
Dwr Cymru Welsh Water River Dee CRANE STREET CSO 0 0 0
Dwr Cymru Welsh Water River Dee HANDBRIDGE GREENBANK SPS 0 0 100
Dwr Cymru Welsh Water River Dee THE DINGLE COMBINED SEWER OVERFLOW 0 0 100
Dwr Cymru Welsh Water River Dee EDGAR PARK CSO 0 0 38.9

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.

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