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Rossendale and Darwen - Live Sewage

Polluted by sewage 839 hours in 2026 , monitoring offline 187 hours , potential overflows 208 hours so far..

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

Which Year?

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✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Rossendale and Darwen so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

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Daily Data

Jan - 329 hours , 207 potential
Feb - 315 hours , 1 potential
Mar - 156 hours , 0 potential
Apr - 15 hours , 25 offline
May - 22 hours , 8 offline
Jun - 0 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
United Utilities ROSSENDALE WwTW River Irwell 23 222h 28m -
United Utilities The Glen CSO River Irwell 44 198h 50m 5 h
United Utilities Burnley Road East/Booth Street CSO Whitewell Brook 5 78h 14m 202 h
United Utilities Lower Eccleshill Road CSO River Darwen 13 71h 43m 2 h
United Utilities Bolton Road CSO Bradshaw Brook 16 41h 4m -
United Utilities 100Metres East of No. XX Eastgate CSO River Spodden 17 30h 38m -
United Utilities NEWCHURCH ROAD / BROOKS STREET CSO River Irwell 18 27h 48m -
United Utilities ANYON STREET / LAUREL AVENUE CSO River Darwen 20 23h 40m 2 h
United Utilities 143 Burnley Road East CSO Whitewell Brook 9 19h 30m 25 h
United Utilities 295 BACUP ROAD CSO River Irwell 10 19h 2m -
United Utilities Bank Street CSO Limy Water R Irwell 8 12h 58m -
United Utilities HIGHER PERRY STREET/BACK LAUREL CSO River Darwen 16 11h 30m 1 h
United Utilities OPPOSITE 709 BACUP ROAD CSO River Irwell 3 10h 42m 1 h
United Utilities New Hall Hey Road CSO River Irwell 7 10h 36m -
United Utilities Newchurch Road CSO River Irwell 2 9h 16m -
United Utilities Bacup Road/Markross Street CSO River Irwell 6 8h 5m -
United Utilities Clarence Street CSO River Darwen 6 7h 50m -
United Utilities Balle Street CSO No.X River Darwen 8 7h 44m -
United Utilities NEWCHURCH ROAD / WESLEY PLACE CSO River Irwell 5 6h 34m -
United Utilities Helmshore Caravan Park combined sewer overflow Swinnel Brook 6 6h 14m -
United Utilities BALLE STREET / HILTON STREET CSO River Darwen 8 4h 28m 1 h
United Utilities COTTON HALL STREET CSO River Darwen 10 2h 42m 8 h
United Utilities Highfield Road CSO River Irwell 2 2h 41m -
United Utilities Rushbed SSO Limy Water 2 1h 50m -
United Utilities Grimshaw Street Combined Sewer Overflow (Site ID 05033) (BBN0107) River Darwen 2 0h 42m -
United Utilities WATERBARN LANE CSO River Irwell 1 0h 40m 1 h
United Utilities Sudell Road CSO River Darwen 1 0h 30m -
United Utilities CHURCH STREET / PARLIAMENT STREEET CSO Culverted Section River Darwen 1 0h 12m 2 h
United Utilities Station Road (Whitworth) CSO River Spodden 1 0h 12m -
United Utilities Burnley Road/Middlegate CSO Limy Water Irwell 1 0h 12m -
United Utilities BELMONT WwTW Eagley Brook 1 0h 11m -
United Utilities 28 Tythebarn Street CSO River Darwen 1 0h 6m -
United Utilities ROCKCLIFFE ROAD / RIVER STREET CSO River Irwell 1 0h 6m -
United Utilities BROADHEAD ROAD CSO Quarlton Brook 1 0h 6m -
United Utilities 876 Burnley Road East CSO Whitewell Brook 0 0h -
United Utilities Burnley Road East/Townley Arms CSO Whitewell Brook 0 0h -
United Utilities Burnley Road East/Shawclough Road CSO Whitewll Brook 0 0h -
United Utilities OPPOSITE 709 BACUP ROAD CSO River Irwell 0 0h -
United Utilities Bacup Road/Markross Street CSO River Irwell 0 0h -
United Utilities Queen's Road CSO River Darwen 0 0h -
United Utilities SOUTH STREET / PICKUP STREET CSO River Irwell 0 0h -
United Utilities 28 Tythebarn Street CSO River Darwen 0 0h -
United Utilities NEWCHURCH ROAD / WESLEY PLACE CSO River Irwell 0 0h -
United Utilities Woodvale Flats combined sewer overflow (059AF) (BBN0151) River Darwen 0 0h -
United Utilities Balle Street CSO No.X River Darwen 0 0h -
United Utilities WELLINGTON HOTEL CSO Culverted River Irwell 0 0h -
United Utilities Footpath Near Cross Street CSO River Darwen 0 0h -
United Utilities Lee Road CSO River Irwell 0 0h -
United Utilities ROSSENDALE WwTW River Irwell 0 0h -
United Utilities BURNLEY ROAD (BACUP) CSO River Irwell 0 0h 40 h
United Utilities WELLINGTON HOTEL CSO Culverted River Irwell 0 0h -
United Utilities Cranberry Lane CSO River Darwen 0 0h -
United Utilities New Hall Hey Bridge CSO River Irwell 0 0h -
United Utilities Bank Street CSO Limy Water R Irwell 0 0h -
United Utilities Newchurch Road CSO River Irwell 0 0h -
United Utilities Bolton Road/ Astley Street CSO Kebbs Brook, Riv Darwen 0 0h -
United Utilities NEWCHURCH ROAD (Bacup) CSO River Irwell 0 0h -
United Utilities Bolton Road CSO River Darwen 0 0h -
United Utilities The Glen CSO River Irwell 0 0h -
United Utilities Hammerton Street/Stanley Street CSO River Irwell 0 0h -
United Utilities HIGHER PERRY STREET/BACK LAUREL CSO River Darwen 0 0h -
United Utilities Lee Road CSO River Irwell 0 0h -
United Utilities BELMONT WwTW Eagley Brook 0 0h -
United Utilities Waterside CSO Waterside Brook 0 0h -
United Utilities BROADHEAD ROAD CSO Quarlton Brook 0 0h -
United Utilities Sudellside Street CSO River Darwen 0 0h -
United Utilities TONG LANE / REED STREET CSO Gleave Clough Brook 0 0h -
United Utilities Hindle Street CSO River Darwen Via Sws 0 0h -
United Utilities Belgrave Road CSO River Darwen 0 0h -
United Utilities Greave Clough Drive CSO Greave Clough Via Sws 0 0h -
United Utilities Highfield Road CSO River Irwell 0 0h -
United Utilities Burnley Road East/Shawclough Road CSO Whitewll Brook 0 0h -
United Utilities Kay Street River Darwen 0 0h -
United Utilities Burnley Road East/Whitewall Bottom CSO Whitewell Brook 0 0h -
United Utilities Station Road (Whitworth) CSO River Spodden 0 0h -
United Utilities Helmshore Caravan Park combined sewer overflow Swinnel Brook 0 0h -
United Utilities SOUTH STREET / PICKUP STREET CSO River Irwell 0 0h -
United Utilities Vale Street River Darwen 0 0h 98 h
United Utilities Greave Clough Drive CSO Greave Clough Via Sws 0 0h -
United Utilities REDEARTH ROAD / SUDELL ROAD CSO River Darwen 0 0h -
United Utilities 295 BACUP ROAD CSO River Irwell 0 0h -
United Utilities Footpath Near Cross Street CSO River Darwen 0 0h -
United Utilities Bolton Road CSO River Darwen 0 0h -
United Utilities CHURCH STREET / PARLIAMENT STREEET CSO Culverted Section River Darwen 0 0h -
United Utilities BALLE STREET / HILTON STREET CSO River Darwen 0 0h -
United Utilities Cowpe Road SSO River Irwell 0 0h -
United Utilities Burnley Road East/Booth Street CSO Whitewell Brook 0 0h -
United Utilities ANYON STREET / LAUREL AVENUE CSO River Darwen 0 0h -
United Utilities Belgrave Road CSO River Darwen 0 0h -
United Utilities REDEARTH ROAD / SUDELL ROAD CSO River Darwen 0 0h -
United Utilities BURNLEY ROAD (BACUP) CSO River Irwell 0 0h -
United Utilities Bolton Road CSO River Darwen 0 0h -
United Utilities Blackwood Road River Irwell 0 0h -
United Utilities Sudellside Street CSO River Darwen 0 0h -
United Utilities ROCKCLIFFE ROAD / RIVER STREET CSO River Irwell 0 0h -
United Utilities Blackwood Road River Irwell 0 0h -
United Utilities Lower Eccleshill Road CSO River Darwen 0 0h -
United Utilities Cowm Park Way South River Spodden 0 0h -
United Utilities Hindle Street CSO River Darwen Via Sws 0 0h -
United Utilities RAILWAY ROAD / SOUTH STREET CSO Clvrtd Section Of River Darwen 0 0h -
United Utilities Queen's Road CSO River Darwen 0 0h -
United Utilities 876 Burnley Road East CSO Whitewell Brook 0 0h -
United Utilities Woodvale Flats combined sewer overflow (059AF) (BBN0151) River Darwen 0 0h -
United Utilities Irwell Vale PS River Ogden 0 0h 1 h
United Utilities 100Metres East of No. XX Eastgate CSO River Spodden 0 0h -
United Utilities Cowpe Road SSO River Irwell 0 0h -
United Utilities Cranberry Lane CSO River Darwen 0 0h -
United Utilities Burnley Road East/Townley Arms CSO Whitewell Brook 0 0h -
United Utilities Grimshaw Street Combined Sewer Overflow (Site ID 05033) (BBN0107) River Darwen 0 0h -
United Utilities 143 Burnley Road East CSO Whitewell Brook 0 0h -
United Utilities TONG LANE / REED STREET CSO Gleave Clough Brook 0 0h -
United Utilities Irwell Vale PS River Ogden 0 0h -
United Utilities Bolton Road CSO Bradshaw Brook 0 0h -
United Utilities Hammerton Street/Stanley Street CSO River Irwell 0 0h -
United Utilities New Hall Hey Road CSO River Irwell 0 0h -
United Utilities Clarence Street CSO River Darwen 0 0h -
United Utilities Cowm Park Way South River Spodden 0 0h -
United Utilities Bolton Road/ Astley Street CSO Kebbs Brook, Riv Darwen 0 0h -
United Utilities Sudell Road CSO River Darwen 0 0h -
United Utilities Burnley Road East/Whitewall Bottom CSO Whitewell Brook 0 0h -
United Utilities Boothfold Bridge CSO (369DI) Whitewell Brook 0 0h 1 h
United Utilities Waterside CSO Waterside Brook 0 0h -
United Utilities Kay Street River Darwen 0 0h -
United Utilities RAILWAY ROAD / SOUTH STREET CSO Clvrtd Section Of River Darwen 0 0h -
United Utilities NEWCHURCH ROAD (Bacup) CSO River Irwell 0 0h -
United Utilities Boothfold Bridge CSO (369DI) Whitewell Brook 0 0h -
United Utilities COTTON HALL STREET CSO River Darwen 0 0h -
United Utilities Rushbed SSO Limy Water 0 0h -
United Utilities WATERBARN LANE CSO River Irwell 0 0h -
United Utilities New Hall Hey Bridge CSO River Irwell 0 0h -
United Utilities Bolton Road CSO River Darwen 0 0h -
United Utilities Burnley Road/Middlegate CSO Limy Water Irwell 0 0h -
United Utilities Vale Street River Darwen 0 0h -
United Utilities NEWCHURCH ROAD / BROOKS STREET CSO River Irwell 0 0h -

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. Live sewage data from Stream Water API

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.