Ribble Valley was polluted by sewage 2,817 times in 2024
lasting 20,848 hours - that's 2.41 years!
- but monitoring was disabled in some locations, so could be more

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Live data for Ribble Valley in 2025
So far this year (as of Apr 16, 2025, 6:00 PM) there has been 4,617 hours of sewage overflows - that's 0.53 years!
Totals for Ribble Valley in 2024
45 Sites polluted by United Utilities
2,817 sewage dumps
20,848 h duration
That's 2.41 years! On average 7.7 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Ribble Valley, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
     Monitoring Online      Monitoring Offline      Polluting      Potentially Polluting      Unknown
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Ribble Valley in 2024. 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 47 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 %
United Utilities Barton Brook BARTON WASTE WATER TREATMENT WORKS 170 2,640 99
United Utilities Bashall Brook WADDINGTON WWTW 166 2,287 100
United Utilities Dean Brook HURST GREEN WWTW 178 2,176 100
United Utilities River Calder BILLINGTON WWTW 151 1,871 99.8
United Utilities River Calder WHALLEY WASTEWATER TREAMENT WORKS 114 1,325 99.9
United Utilities River Ribble/West Clough Brook GRINDLETON WWTW 125 1,230 91.7
United Utilities River Ribble GISBURN WWTW GISBN 157 1,108 99.55
United Utilities Barrow Clough/Pendleton Brook CLITHEROE WWTW 100 1,070 100
United Utilities Wheatley Beck, River Ribble STIRK HOUSE HOTEL WWPS 79 734 98.9
United Utilities River Calder RIDDING LANE CSO (342X5) 112 586 99.2
United Utilities River Darwin FIELD EAST OF RIVER DARWIN CSO 96 564 99.1
United Utilities Dinckley Brook MH 63 EAST END OF COPSTER GREEN CSO 105 479 92.8
United Utilities Showley Brook WILPSHIRE WWTW (WILPS) 92 475 97.9
United Utilities River Darwen HENNEL LANE CSO 53 457 100
United Utilities River Lostock MH Y6 HAVELOCK ROAD CSO 27 448 96.8
United Utilities Un River Calder WHITTAMS FARM CSO 342XW 126 347 99.3
United Utilities River Hodder SLAIDBURN WWTW 23 319 81.5
United Utilities River Ribble Estuary WALTON-LE-DALE STW 32 315 100
United Utilities Black Brook DAUB HALL LANE CSO 403CW 95 277 97.8
United Utilities Many Brooks GREGSON LANE AREA CSO 401WN 117 276 98.9
United Utilities Woodplumpton Brook LOWER TABLEY PUMPING STATION 35 257 100
United Utilities Mellor Brook LOWER BRUNDHURST FARM CSO 100 253 100
United Utilities Unknown OFF MELLOR BROW 73 185 100
United Utilities Bushburn Brook SOUTH OF OLD LANGHO RD CSO 23 168 100
United Utilities Stream Bushburn Brook PETRE ARMS ROUNDABOUT CSO 29 159 100
United Utilities Hole Brook BLACKBURN WWTW 19 137 99.9
United Utilities Savick Brook SHAROE GREEN HOSPITAL CSO 333JK 84 114 95.9
United Utilities Boundary Brook CAUSEY WAY COMBINED SEWER OVERFLOW 33 101 100
United Utilities Dinckley Brook WEST OF DEWHURST FARM CSO 341RS 67 92 96.8
United Utilities Hennel Brook, River Darwin DUDDLE LANE CSO 12 72 100
United Utilities Savick Brook Rvr Ribble COW HILL CLARKSONS FOLD CSO 33100 8 58 100
United Utilities Culverted Grindleton Brook REAR OF NO.4 RIBBLE AVENUE CSO 47 54 98.7
United Utilities Arley Brook PRESTON NEW ROAD 34 53 100
United Utilities River Darwen CANN BRIDGE STREET CSO 40042 30 28 98.3
United Utilities Savick Brook LONGRIDGE CSO 343FT 23 25 99.3
United Utilities River Hodder SLAIDBURN WW NTWK PUMPING STATION 19 23 100
United Utilities Bezza Brook WOOD TOP FARM GRINSAGH 7 21 100
United Utilities Savick Brook BLACK BULL MH C1 CSO 331EQ 6 18 99.2
United Utilities River Lostock REAR OF LUNAR CARAVANS 26 16 99.3
United Utilities Chipping Brook ST MARYS CHURCH (CHIPPING) CSO 13 3 99.2
United Utilities River Lostock FAIRFIELD STREET CSO 3 3 99.1
United Utilities Cockshott Bk Trb R Darwen BROWNEDGE LANE CSO 401GR 3 3 98.9
United Utilities Savick Brook SHAROE GREEN LANE CSO 33034 2 0 100
United Utilities Tun Brook GRIMSARGH CSO 333LG 2 0 99.2
United Utilities River Ribble CUERDALE LANE CSO 401QM 1 0 94.3
United Utilities Chipping Brook CHIPPING STW 0 0 0
United Utilities Unknown COPSTER GREEN SEWER EJE 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.