Derby North was polluted by sewage 399 times in 2024
lasting 1,202 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 Derby North in 2025
So far this year (as of Apr 16, 2025, 6:15 PM) there has been 202 hours of sewage overflows
Totals for Derby North in 2024
21 Sites polluted by Severn Trent Water
399 sewage dumps
1,202 h duration
That's 1.67 months. On average 1.1 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 Derby North, 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 Derby North 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 24 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 %
Severn Trent Water Chaddesden Brook JOHN BERRYSFORD CLOSE CSO 88 435 100
Severn Trent Water Bramble Brook MELBOURNE CLOSE PS - STORM O/F 22 171 100
Severn Trent Water River Derwent EASTGATE PENTAGON ISLAND CSO 24 135 99.7
Severn Trent Water Markeaton Brook LEYLANDS / BROADWAY 76 CSO 51 128 100
Severn Trent Water Markeaton Brook MARKEATON ST/MERCHANT ST JCN CSO 30 122 99.3
Severn Trent Water River Derwent WAYZGOOSE COMBINED SEWER OVERFLOW 24 72 100
Severn Trent Water Markeaton Brook ST. ANNES CLOSE CSO 24 53 100
Severn Trent Water Chaddesden Brook NOTTINGHAM RD/THE CRESCENT JCN CSO 16 16 100
Severn Trent Water Markeaton Brook UTTOXETER NEW RD 2/STAFFORD ST CSO 18 15 98.3
Severn Trent Water Hell Brook SO MICKLEOVER HS/BRIERFIELD WAY CSO 9 12 97.9
Severn Trent Water Egginton Brook MICKLEOVER - SANDOWN AVENUE SPS 8 9 100
Severn Trent Water Markeaton Brook SHAWS GREEN COMBINED SEWER OVERFLOW 26 9 100
Severn Trent Water River Derwent DARLEY ABBEY CSO 22 7 97.9
Severn Trent Water Chaddesden Brook CHADDESDEN PARK RD/MAYFIELD RD CSO 20 5 100
Severn Trent Water Chaddesden Brook DURHAM AVENUE/SUFFOLK AVENUE CSO 5 3 100
Severn Trent Water Markeaton Brook GREAT NORTHERN ROAD CSO 5 1 100
Severn Trent Water Egginton Brook DRESDEN CLOSE 20 CSO 2 1 99.9
Severn Trent Water Markeaton Brook UTTOXETER OLD RD/JUNCTION ST CSO 2 0 96.1
Severn Trent Water Littleover Brook MONK STREET/KING ALFRED STREET CSO 1 0 88.8
Severn Trent Water Markeaton Brook PARCEL TERRACE CSO 1 0 98.3
Severn Trent Water Littleover Brook WOODS LANE/STOCKBROOK ST JCT CSO 1 0 97
Severn Trent Water Littleover Brook WOODS LANE CSO 0 0 57.7
Severn Trent Water River Derwent DARLEY ABBEY/ALLESTREE SW-STM/EMG 0 0 100
Severn Trent Water Markeaton Brook UTTOXETER NEW ROAD CSO 0 0 70.8

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.