Burnley was polluted by sewage 716 times in 2024
lasting 3,314 hours

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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 Burnley in 2025
So far this year (as of Apr 16, 2025, 6:00 PM) there has been 738 hours of sewage overflows
Totals for Burnley in 2024
19 Sites polluted by United Utilities
716 sewage dumps
3,314 h duration
That's 4.6 months. On average 2 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 Burnley, 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 Burnley 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 0 of the total 23 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Calder BURNLEY STW 112 1,572 99.8
United Utilities Pendle Water BRIERFIELD SSO 105 514 13.3
United Utilities River Calder ALTHAM OUTFALL (FENNYFOLD) CSO 66 307 100
United Utilities River Calder OPP 76 BURNLEY ROAD CSO 126 234 98.8
United Utilities Pendle Water LINDRED ROAD CSO 43 199 100
United Utilities River Calder INSKIP STREET (082AK) CSO 61 154 99.1
United Utilities River Calder HONEY HOLME LANE CSO 24 82 99.4
United Utilities River Calder ADJACENT TO PADIHAM LEISURE CENTRE 25 72 99.6
United Utilities Pendle Water TIMBER STREET CSO 32021 40 46 99.5
United Utilities Limy Water 92 BURNLEY ROAD CSO 081HP 18 43 98.3
United Utilities River Calder STATION ROAD (PALIHAM) CSO 48 39 98.6
United Utilities Dean Clough River Calder SLADE LANE CSO 19 33 99.2
United Utilities River Calder BROOKLANDS ROAD/TODMORDEN ROAD CSO 15 8 99
United Utilities Sweet Clough Green Brook IN FRONT OF NO.19 BEAR STREET CSO 3 3 99.5
United Utilities River Calder PARK ROAD COMBINED SEWER OVERFLOW 4 1 99.1
United Utilities Pendle Water Via Culvert SACKVILLE ST MONTAGUE ST CSO 2 0 98.8
United Utilities Culverted Pendle Water 134 BURNLEY ROAD CSO 3 0 99.2
United Utilities River Burn NE AREA SEWER 1 0 99.7
United Utilities Green Brook STOCKBRIDGE ROAD CSO (BUR0038) 1 0 97.2
United Utilities River Calder LIVERPOOL ROAD CSO (088NF) 0 0 99.6
United Utilities River Calder SHUTTLEWORTH STCALDER ST CSO 0 0 95.5
United Utilities River Calder WATERBARN STREET/BARDEN LANE CSO 0 0 99.4
United Utilities Green Brook LEVANT MILL FOOTBRIDGE CSO (O82CV) 0 0 99.5

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.