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Pendle and Clitheroe was polluted by sewage 1,368 times in 2023
lasting 6,545 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 Pendle and Clitheroe in 2023
28 Sites polluted by United Utilities, Yorkshire Water
1,368 sewage dumps
6,545 h duration
That's 9.09 months. On average 3.7 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Pendle and Clitheroe 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 1 of the total 32 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water Earby Beck EARBY WWTW 228 1,265 100
United Utilities Chatburn Brook CHATBURN PUMPING STATION 105 1,253 92
United Utilities Colne Water COLNE WASTE WATER TREATMENT WORKS 113 922 91.7
United Utilities Pendleton Brook NORTH WEST OF HENTHORN ROAD BRIDGE 70 465 100
United Utilities Stock Beck BARNOLDSWICK WWTW 40 412 100
Yorkshire Water County Dyke FOULRIDGE CSO 114 378 100
United Utilities Walverden Water FLEET STREET 67 359 100
United Utilities Pendleton Brook CLITHEROE STREET CSO 71 291 98.5
United Utilities River Calder LONGWORTH RD/R'WAY VIADUCT 73 271 100
United Utilities Swinden Clough 273 REGENT ST CSO (32013) 40 225 100
United Utilities Walverden Water NETHERFIELD ROAD CSO (32019) 87 148 100
United Utilities Pendle Water LOMESHAYE WAY CSO 44 114 98.9
United Utilities Walverden Water CHAPEL HOUSE ROAD CSO (32014) 90 95 100
United Utilities Colne Water COLNE REFUSE TRANSFER STATION 32 95 100
United Utilities Walverden Water WALVERDEN PARK CSO 21 59 99.5
United Utilities Pendle Water 11 NORTH PARK AVENUE CSO 41 58 89.2
United Utilities Walverden Wtr Pendle Wtr CHAPEL HOUSE ROAD (32014) CSO 13 38 20
United Utilities Unknown SABDEN CSO (342P9) 10 37 100
United Utilities River Calder SIMONSTONE LANE CSO 10 22 100
United Utilities Pendle Water BARROWFORD CSO 52 9 100
United Utilities Culvrtd Walverden Wtr REEDYFORD RD CSO (32020) 12 6 100
United Utilities Swinden Clough OXFORD RD/HOLLINS ROAD CSO 3 4 100
United Utilities Butts Beck DAM HEAD BRIDGE /GISBURN ROAD CSO 13 2 100
United Utilities Butts Beck NEAR BUTTS BECK CSO (321H7) 10 2 95.3
United Utilities Colne Water LANESHAWBRIDGE SCHOOL LANE CSO 5 0 98.8
United Utilities Pendleton Brook By Sws ADJ POLICE STATION KING STREET CSO 2 0 100
United Utilities Butts Beck CORNMILL COTTAGES CSO 1 0 100
United Utilities Calf Hall Beck CALF HALL ROAD CSO 1 0 100
United Utilities Walverden Water CRAWFORD STREET (NELSON) CSO 321P3 0 0 100
United Utilities Walverden Water BRADLEY ROAD CSO (328N5) 0 0 75.3
United Utilities Swinden Clough EDWARD STREET CSO 0 0 0
United Utilities Hendon Brook HEY STREET (PLAYGROUND) CSO (32017) 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, 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.