Derby South - Live Sewage

Polluted by sewage 180 hours in 2026 so far..

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

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Derby South 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

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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 South, 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
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Total Duration (days)
Severn Trent Water ALVASTON - RAYNESWAY PARK DRIVE (CSO) River Derwent 17 130 h 13m 5.42
Severn Trent Water DERBY - STATION APP/PRIDE PARKWAY (CSO) River Derwent 7 22 h 56m 0.92
Severn Trent Water NORMANTON - CUTTLEBROOK CLOSE (CSO) Cuttle Brook 2 9 h 59m 0.38
Severn Trent Water SINFIN - WILMORE ROAD (CSO) Meadow Drain 1 9 h 38m 0.38
Severn Trent Water DERBY - HARROW STREET (CSO) River Derwent 5 5 h 25m 0.21
Severn Trent Water CHELLASTON - STATION ROAD XX (CSO) Cuttle Brook 1 0 h 59m 0
Severn Trent Water DERBY - MORLEDGE/THORNTREE LANE (CSO) Markeaton Brook 1 0 h 49m 0
Severn Trent Water DERBY - ST PETERS ST/EAST STREET (CSO) Markeaton Brook 1 0 h 5m 0
Severn Trent Water PEAR TREE - LOWER DALE RD (CSO) Cotton Brook 0 0 h 0
Severn Trent Water DERBY - MEADOW ROAD (SSO) River Derwent 0 0 h 0
Severn Trent Water DERBY - GREEN LANE/MACKLIN STREET (CSO) Markeaton Brook 0 0 h 0
Severn Trent Water DERBY - GREEN LANE/MACKLIN STREET (CSO) Markeaton Brook 0 0 h 0
Severn Trent Water DERBY - ST PETERS ST/EAST STREET (CSO) Markeaton Brook 0 0 h 0
Severn Trent Water PEAR TREE - PEAR TREE RD (CSO) Cotton Brook 0 0 h 0
Severn Trent Water NORMANTON - CO-OP ST/PROVIDENT ST (CSO) Cotton Brook 0 0 h 0
Severn Trent Water DERBY - FRIAR GATE/VICTORIA STREET (CSO) Markeaton Brook 0 0 h 0
Severn Trent Water PEAR TREE - HARRINGTON/HOLCOMBE ST (CSO) Cotton Brook 0 0 h 0
Severn Trent Water CHELLASTON - STATION ROAD XX (CSO) Cuttle Brook 0 0 h 0
Severn Trent Water NORMANTON - PORTER ROAD/ALMOND ST (CSO) Cotton Brook 0 0 h 0
Severn Trent Water NORMANTON - PORTER ROAD/ALMOND ST (CSO) Cotton Brook 0 0 h 0
Severn Trent Water PEAR TREE - HARRINGTON/HOLCOMBE ST (CSO) Cotton Brook 0 0 h 0
Severn Trent Water DERBY - MORLEDGE/THORNTREE LANE (CSO) Markeaton Brook 0 0 h 0
Severn Trent Water ALVASTON - RAYNESWAY PARK DRIVE (CSO) River Derwent 0 0 h 0
Severn Trent Water DERBY - FRIAR GATE/VICTORIA STREET (CSO) Markeaton Brook 0 0 h 0
Severn Trent Water DERBY - LITTLEOVER LANE (CSO) Nailsworth Stream 0 0 h 0
Severn Trent Water DERBY - HARROW STREET (CSO) River Derwent 0 0 h 0
Severn Trent Water DERBY - STATION APP/PRIDE PARKWAY (CSO) River Derwent 0 0 h 0
Severn Trent Water Unknown Unknown 0 0 h 0
Severn Trent Water NORMANTON - CO-OP ST/SOCIETY PLACE (CSO) Cotton Brook 0 0 h 0
Severn Trent Water SINFIN - WILMORE ROAD (CSO) Meadow Drain 0 0 h 0
Severn Trent Water PEAR TREE - LOWER DALE RD (CSO) Cotton Brook 0 0 h 0
Severn Trent Water NORMANTON - CO-OP ST/PROVIDENT ST (CSO) Cotton Brook 0 0 h 0
Severn Trent Water NORMANTON - CO-OP ST/SOCIETY PLACE (CSO) Cotton Brook 0 0 h 0
Severn Trent Water NORMANTON - CUTTLEBROOK CLOSE (CSO) Cuttle Brook 0 0 h 0
Severn Trent Water NORMANTON - LOWER DALE RD/BYRON ST (CSO) Cotton Brook 0 0 h 0
Severn Trent Water PEAR TREE - PEAR TREE RD (CSO) Cotton Brook 0 0 h 0

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.