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Preston was polluted by sewage 1,073 times in 2023
lasting 6,267 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Preston in 2023
32 Sites polluted by United Utilities
1,073 sewage dumps
6,267 h duration
That's 8.7 months. On average 2.9 times a day
Change Over Time
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Constituencies near Preston
Waterways in Preston

Pollution Summary 2023

Here are all the reported sewage overflow totals for Preston 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 2 of the total 39 CSO locations had reporting enabled for less than half the year, of which 2 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Ribble FISHERGATE HILL CSO CHAMBER C8 36 786 100
United Utilities Eaves Bk, Savick Bk CATTLE MARKET CSO 37 661 100
United Utilities River Ribble FISHERGATE HILL CSO (CHAMBER C9) 30 639 100
United Utilities River Ribble HOLME ROAD COMBINED SEWER OVERFLOW 123 611 100
United Utilities Moorbrook Culvert -> River Ribble WATERY LANE CSO SHAFT C1 PRE0093 26 587 100
United Utilities Eaves Bk, Savick Bk MANOR HOUSE LANE CSO 33037 42 515 100
United Utilities Savick Brook SAVICK BROOK PUMPING STATION 49 416 100
United Utilities Eaves Brook VICTORIA RD CSO 33023 85 258 99.5
United Utilities River Ribble GEORGE STREET CSO 331VJ 100 241 100
United Utilities Clvrt Moor Brook Rvr Ribb MOORBROOK STREET CSO 332F2 23 201 99.5
United Utilities River Ribble BANK PARADE CSO 53 168 100
United Utilities River Ribble BLACKPOOL ROAD CSO 88 167 99.2
United Utilities River Ribble Estuary ST PAULS ROAD CSO 60 152 100
United Utilities Eaves Brook Savick Brook WATLING STREET ROAD CSO 33024 11 122 100
United Utilities River Ribble Tidal Via Sws RIBBLETON LANE CSO 33103 14 122 100
United Utilities Savick Bk, Ribble Est LEA GATE PUMPING STATION 40 105 99.9
United Utilities River Ribble WOLSELEY ROAD CSO 13 101 100
United Utilities Swillbrook Clvrt R Ribble ALBYN STREET EAST CSO 33102 18 100 100
United Utilities Tidal River Ribble PRESTON NETWORK TERMINAL PUMPING ST 12 67 99.8
United Utilities Rvr Ribble THORNPARK PUMPING STATION 33007 31 58 100
United Utilities Swillbrook Culvert FRENCHWOOD KNOLL CSO 331UX 80 54 100
United Utilities Savick Brook Via Sws 2 MILL LANE COMBINED SEWER OVERFLOW 9 31 100
United Utilities Swill Brook Clvrt River Ribble HALSBURY STREET CSO 331XR 11 21 100
United Utilities Savick Brk Ribble Est BANKSFIELD AVENUE CSO 33027 13 19 100
United Utilities Chain Caul Culvert POWIS ROAD CSO 332MG PRE0025 4 10 100
United Utilities Chain Caul Ward Storm WATERY LANE DOUGLAS ST CSO PRE0110 4 9 100
United Utilities Moore Brook Culvert ST GEORGES ROAD CSO 17 8 100
United Utilities Chain Caul Culvert Into Ribble WEST STRAND CSO CHAMBER C10 PRE0071 3 7 100
United Utilities River Ribble MANCHESTER RD/SELBOURNE RD CSO 10 7 100
United Utilities Moor Brook Culvert 208 DEEPDALE ROAD CSO 17 5 100
United Utilities River Ribble HAWTHORN CRESCENT CSO 11 2 100
United Utilities Storm Culvert Into R Ribble LONDON ROAD 3 0 100
United Utilities River Ribble Via Chain Culvert MARSH LANE CSO PRE0021 0 0 100
United Utilities Unamed Woodplumpton Brook LIGHTFOOT LANE PS 0 0 0
United Utilities Chain Caul Storm Culvert WATERY LANE CSO PRE0108 0 0 100
United Utilities River Ribble Tidal DALE STREET CSO 331R7 0 0 100
United Utilities River Ribble Via Storm Culvert 18 DEEPDALE ROAD 0 0 100
United Utilities Storm Culvert, Ribble PERCY STREET CSO 0 0 0
United Utilities Eaves Brook 75 LOWER BANK ROAD CSO 0 0 91.8

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.

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