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Derby South was polluted by sewage 290 times in 2023
lasting 1,141 hours
- but monitoring was disabled in some locations, so could be more

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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 Derby South in 2023
16 Sites polluted by Severn Trent Water
290 sewage dumps
1,141 h duration
That's 1.58 months. 5.6 times a week, on average
Change Over Time
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Constituencies near Derby South
Waterways in Derby South

Pollution Summary 2023

Here are all the reported sewage overflow totals for Derby South 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 21 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 %
Severn Trent Water River Derwent ALVASTON CSO 82 575 100
Severn Trent Water River Derwent GREEN LANE PUMPING STATION 40 257 83.1
Severn Trent Water River Derwent STATION APPROACH CSO 46 112 98.7
Severn Trent Water Cuttle Brook DAVIDS CLOSE/STATION ROAD CSO 7 41 97
Severn Trent Water Markeaton Brook ST PETERS STREET/EAST STREET CSO 33 32 98.3
Severn Trent Water River Derwent MEADOW ROAD SPS 2 31 93.1
Severn Trent Water Cotton Brook HARRINGTON ST/HOLCOMBE ST CSO 14 31 99.4
Severn Trent Water Markeaton Brook MORELEDGE / THORNTREE LANE CSO 9 22 99.9
Severn Trent Water River Derwent WILMORTON COLLEGE/HARROW STREET CSO 17 14 98.8
Severn Trent Water Markeaton Brook GREEN LANE / MACKLIN STREET CSO 6 7 99.9
Severn Trent Water Markeaton Brook VICTORIA STREET/FRIAR GATE JCT CSO 2 6 91.8
Severn Trent Water Cotton Brook PROVIDENT STREET CSO 21 6 96.9
Severn Trent Water Cotton Brook PEAR TREE ROAD 4 0 100
Severn Trent Water Cuttle Brook CUTTLE BROOK CLOSE CSO 4 0 100
Severn Trent Water Cotton Brook PORTER ROAD/ALMOND ROAD CSO 1 0 92.8
Severn Trent Water Cotton Brook PEAR TREE RD/DAIRY HOUSE RD 2 0 99.7
Severn Trent Water Meadow Drain SINFIN - WILMORE AVENUE CSO 0 0 100
Severn Trent Water Markeaton Brook ABBEY STREET / NEWLAND STREET CSO 0 0 0
Severn Trent Water Cotton Brook DALE ROAD/BYRON STREET CSO 0 0 66.3
Severn Trent Water Cotton Brook SOCIETY PLACE CSO 0 0 100
Severn Trent Water Littleover Brook ABBEY STREET CSO 0 0 99.8

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.

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Analysing sewage pollution by the Water Industry

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Contains OS data © Crown copyright and database right 2021-2023

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