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Mid Derbyshire - Live Sewage

Polluted by sewage 3,554 hours in 2026 , monitoring offline 1,087 hours , potential overflows 102 hours so far..

© OpenStreetMap contributors
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 Mid Derbyshire 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 - 948 hours , 102 potential
Feb - 2,234 hours , 230 offline
Mar - 350 hours , 18 offline
Apr - 16 hours , 112 offline
May - 4 hours , 12 offline
Jun - 0 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Severn Trent Water DUFFIELD STW (SSTO) River Derwent 59 1,117h 2m -
Severn Trent Water DERBY STW (SSTO) River Derwent 42 579h 11m -
Severn Trent Water KIRK LANGLEY STW (SSTO) Flagshaw Brook 50 411h 10m 13 h
Severn Trent Water BELPER STW (SSTO) River Derwent 30 280h 34m -
Severn Trent Water WESTON UNDERWOOD STW (SSTO) Greenlane Brook 16 179h 24m -
Severn Trent Water HAZELWOOD - NETHER LANE (SSO) Of River Ecclesbourne 13 134h 9m -
Severn Trent Water DUFFIELD - TOWN STREET (THE LODGE) (CSO) River Derwent 15 116h 40m -
Severn Trent Water DERBY - KEDLESTON RD (CSO) River Derwent 25 86h 22m -
Severn Trent Water SPONDON - DERBY RD/MERCHANT AVENUE (CSO) River Derwent 17 72h 18m -
Severn Trent Water SPONDON - STONEY GATE RD (CSO) River Derwent 15 66h 19m -
Severn Trent Water BORROWASH - NEWBOLD AVENUE (CSO) Ock Brook 11 65h 47m -
Severn Trent Water ALLESTREE - MARKEATON LANE (CSO) Markeaton Brook 7 58h 50m -
Severn Trent Water BELPER - BARGATE ROAD (CSO) River Derwent 9 53h 44m -
Severn Trent Water STANLEY - GLEBE CRESCENT (CSO) Stanley Brook 10 45h 53m 83 h
Severn Trent Water BELPER - BRIDGE ST (F/BALL GROUND) (CSO) River Derwent 8 40h 46m 54 h
Severn Trent Water MILFORD - DERBY ROAD (CSO) River Derwent 13 39h 25m -
Severn Trent Water BELPER - BRIDGEFOOT (CSO) River Derwent 7 31h 41m -
Severn Trent Water DALE ABBEY (SSO) Sow Brook 21 31h 23m 161 h
Severn Trent Water BELPER - BABBINGTON HOSPITAL (SSO) River Derwent 13 27h 24m 24 h
Severn Trent Water SPONDON - DALE RD/SANDRINGHAM DR (CSO) River Derwent 12 26h 9m 107 h
Severn Trent Water MILFORD - PLAY GROUND (SSO) River Derwent 8 14h 2m 12 h
Severn Trent Water SPONDON - ANGLERS LANE XX/XX (CSO) River Derwent 6 12h 57m -
Severn Trent Water MILFORD - MAIN ROAD (DERBYSHIRE) (SSO) River Derwent 10 12h 12m 186 h
Severn Trent Water BORROWASH - BYPASS (CSO) Ock Brook 8 10h 21m -
Severn Trent Water WEST HALLAM - ST WILFRIDS ROAD (CSO) Stanley Brook 6 9h 47m -
Severn Trent Water SPONDON - NOTTINGHAM ROAD (CSO) River Derwent 8 5h 52m -
Severn Trent Water BELPER รขโ‚ฌโ€œ KILBOURNE ROAD (CSO) Coppice Brook 2 5h 11m -
Severn Trent Water BELPER - BRIDGE STREET XXX/XXX (CSO) River Derwent 7 4h 21m -
Severn Trent Water ALLESTREE - DUFFIELD ROAD (SSO) River Derwent 2 3h 7m -
Severn Trent Water BELPER - BROADHOLM (SSO) River Derwent 1 2h 16m 25 h
Severn Trent Water BELPER - BRIDGE HILL/BELPER LANE (CSO) River Derwent 3 2h 6m 108 h
Severn Trent Water BELPER - DERBY ROAD/GIBFIELD LANE (CSO) Coppice Brook 2 1h 53m -
Severn Trent Water KIRK LANGLEY - MOOR LANE (CSO) Mackworth Brook 1 1h 32m 120 h
Severn Trent Water STANLEY COMMON - COMMON LANE (CSO) Stalney Brook 2 1h 20m -
Severn Trent Water MILFORD - FOUNDRY LANE PS (CSO) River Derwent 1 1h 5m 39 h
Severn Trent Water MILFORD - SPORTS GROUND (SSO) River Derwent 1 0h 59m 35 h
Severn Trent Water DUFFIELD - MILFORD ROAD (CSO) River Derwent 1 0h 34m -
Severn Trent Water QUARNDON - CHURCH ROAD XXX (CSO) Markeaton Brook 2 0h 11m 12 h
Severn Trent Water BELPER - THE FLEET XX (CSO) River Derwent 1 0h 7m -
Severn Trent Water LITTLE EATON - ALFRETN RD/WINDY LA (CSO) Bottle Brook 1 0h 6m 108 h
Severn Trent Water KIRK LANGLEY STW (SSTO) Flagshaw Brook 0 0h -
Severn Trent Water BELPER - MARSH LANE 2 (CSO) Coppice Brook 0 0h -
Severn Trent Water LITTLE EATON - DUFFIELD ROAD (SSO) Bottle Brook 0 0h -
Severn Trent Water LITTLE EATON - ALFRETON RD (CSO) Bottle Brook 0 0h -
Severn Trent Water DUFFIELD - CASTLE ORCHARD (SSO) River Derwent 0 0h -
Severn Trent Water HAZELWOOD - NETHER LANE (SSO) Of River Ecclesbourne 0 0h -
Severn Trent Water BELPER - BELPER LANE (CSO) River Derwent 0 0h 82 h
Severn Trent Water BORROWASH - BYPASS (CSO) Ock Brook 0 0h -
Severn Trent Water SPONDON - DALE RD/SANDRINGHAM DR (CSO) River Derwent 0 0h -
Severn Trent Water DUFFIELD - TOWN STREET (THE LODGE) (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - MARSH LANE 3 (CSO) Coppice Brook 0 0h -
Severn Trent Water BELPER - BABBINGTON HOSPITAL (SSO) River Derwent 0 0h -
Severn Trent Water BELPER - KING STREET/STRUTT STREET (CSO) Coppice Brook 0 0h -
Severn Trent Water BELPER รขโ‚ฌโ€œ KILBOURNE ROAD (CSO) Coppice Brook 0 0h -
Severn Trent Water BELPER - MARSH LANE 3 (CSO) Coppice Brook 0 0h -
Severn Trent Water SPONDON - STONEY GATE RD (CSO) River Derwent 0 0h -
Severn Trent Water DERBY - KEDLESTON RD/MAXWELL AVE (CSO) Northern Flood Culvert 0 0h -
Severn Trent Water BELPER - BRIDGE STREET/FIELD LANE (CSO) River Derwent 0 0h -
Severn Trent Water WEST HALLAM - ST WILFRIDS ROAD (CSO) Stanley Brook 0 0h -
Severn Trent Water STANLEY - GLEBE CRESCENT (CSO) Stanley Brook 0 0h -
Severn Trent Water STANLEY COMMON - COMMON LANE (CSO) Stalney Brook 0 0h -
Severn Trent Water DERBY - KEDLESTON RD/MAXWELL AVE (CSO) Northern Flood Culvert 0 0h -
Severn Trent Water LITTLE EATON - ALFRETN RD/WINDY LA (CSO) Bottle Brook 0 0h -
Severn Trent Water SPONDON - NOTTINGHAM ROAD (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - DERBY ROAD/GIBFIELD LANE (CSO) Coppice Brook 0 0h -
Severn Trent Water BORROWASH - NEWBOLD AVENUE (CSO) Ock Brook 0 0h -
Severn Trent Water BELPER - THE FLEET XX (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - BRIDGE ST (F/BALL GROUND) (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - BRIDGEFOOT (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - DERBY ROAD (EX-SILKOLENE) (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - WHEELDON AVENUE (CSO) Coppice Brook 0 0h -
Severn Trent Water MILFORD - DERBY ROAD (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - MARSH LANE 1 (CSO) Coppice Brook 0 0h -
Severn Trent Water BELPER - BRIDGE STREET XXX/XXX (CSO) River Derwent 0 0h -
Severn Trent Water WESTON UNDERWOOD STW (SSTO) Greenlane Brook 0 0h -
Severn Trent Water SPONDON - DERBY RD/MERCHANT AVENUE (CSO) River Derwent 0 0h -
Severn Trent Water ALLESTREE - DUFFIELD ROAD (SSO) River Derwent 0 0h -
Severn Trent Water BELPER - BRIDGE STREET/FIELD LANE (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - DERBY ROAD (EX-SILKOLENE) (CSO) River Derwent 0 0h -
Severn Trent Water MILFORD - SPORTS GROUND (SSO) River Derwent 0 0h -
Severn Trent Water DALE ABBEY (SSO) Sow Brook 0 0h -
Severn Trent Water ALLESTREE - KEDLESTON RD (CSO) Markeaton Brook 0 0h -
Severn Trent Water LITTLE EATON - DUFFIELD ROAD (SSO) Bottle Brook 0 0h -
Severn Trent Water BELPER - BARGATE ROAD (CSO) River Derwent 0 0h -
Severn Trent Water MILFORD - MAIN ROAD (DERBYSHIRE) (SSO) River Derwent 0 0h -
Severn Trent Water SPONDON - ANGLERS LANE XX/XX (CSO) River Derwent 0 0h -
Severn Trent Water DUFFIELD STW (SSTO) River Derwent 0 0h -
Severn Trent Water DERBY STW (SSTO) River Derwent 0 0h -
Severn Trent Water BELPER - MARSH LANE 4 (CSO) Coppice Brook 0 0h -
Severn Trent Water KIRK LANGLEY - MOOR LANE (CSO) Mackworth Brook 0 0h -
Severn Trent Water BELPER - MARSH LANE 1 (CSO) Coppice Brook 0 0h -
Severn Trent Water MILFORD - FOUNDRY LANE PS (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - MARSH LANE 4 (CSO) Coppice Brook 0 0h 18 h
Severn Trent Water BELPER - WHEELDON AVENUE (CSO) Coppice Brook 0 0h -
Severn Trent Water BELPER - MARSH LANE 2 (CSO) Coppice Brook 0 0h -
Severn Trent Water BELPER - BELPER LANE (CSO) River Derwent 0 0h -
Severn Trent Water BELPER - BROADHOLM (SSO) River Derwent 0 0h -
Severn Trent Water DUFFIELD - MILFORD ROAD (CSO) River Derwent 0 0h -
Severn Trent Water BELPER STW (SSTO) River Derwent 0 0h -
Severn Trent Water ALLESTREE - MARKEATON LANE (CSO) Markeaton Brook 0 0h -
Severn Trent Water QUARNDON - CHURCH ROAD XXX (CSO) Markeaton Brook 0 0h -
Severn Trent Water BELPER - BRIDGE HILL/BELPER LANE (CSO) River Derwent 0 0h -
Severn Trent Water MILFORD - PLAY GROUND (SSO) River Derwent 0 0h -
Severn Trent Water DERBY - KEDLESTON RD (CSO) River Derwent 0 0h -
Severn Trent Water ALLESTREE - KEDLESTON RD (CSO) Markeaton Brook 0 0h -
Severn Trent Water BORROWASH - HAWTHORNE AVE (CSO) Ock Brook 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.