It's a Dirty Business

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Witham - Live Sewage

Polluted by sewage 3,748 hours in 2026 , monitoring offline 298 hours , potential overflows 8 hours so far..

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

Which Year?

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✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Witham 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 - 1,245 hours , 5 potential
Feb - 2,483 hours , 3 potential
Mar - 19 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Anglian Water EARLS COLNE STW River Colne 42 894 h 19m -
Anglian Water STISTED STW Stisted Brook River Blackwater 33 464 h 1m -
Anglian Water TIPTREE STW Virley Brook Salcottcreek 34 463 h 45m 5 h
Anglian Water HALSTEAD STW River Colne 36 456 h 46m 12 h
Anglian Water TOLLESBURY-WOODROLFE RD OV Tollesbury Fleet 23 303 h 20m 191 h
Anglian Water Maldon STW Pennys Brook 21 274 h 30m -
Anglian Water TOLLESHUNT KNIGHTS-BROOK R TPS Layer Brook 22 261 h 18m -
Anglian Water COPFORD STW Roman River 24 233 h 27m -
Anglian Water KELVEDON-GREYS MILL SO River Blackwater 12 160 h 52m -
Anglian Water TOLLESHUNT KNIGHTS-FORGE SP Layer Brook 10 92 h 14m -
Anglian Water GREAT TOTHAM STW Spicketts Brook Blackwater 10 64 h 40m -
Anglian Water WITHAM STW Tidal River Chelmer 6 24 h 53m -
Anglian Water EARLS COLNE-COLCHESTER RD TPS River Colne 9 20 h 24m -
Anglian Water TIPTREE-GORSE LA TPS Layer Brook 3 9 h 4m -
Anglian Water Hatfield Peverel Crabbs Hill Terminal Pumping Station River Ter 1 7 h 15m -
Anglian Water Tolleshunt D'Arcy Sewage Treatment Works Bowstead Brook River Blackwate 4 6 h 58m 2 h
Anglian Water WHITE NOTLEY-TPS River Brain 1 6 h 46m -
Anglian Water KELVEDON-STATION RD SO Blackwater 4 1 h 8m -
Anglian Water Earls Colne Church Hill #3 Combined Sewer Overflow River Colne 4 1 h 1m 95 h
Anglian Water KELVEDON-EASTERFORD RD SO Blackwater 2 0 h 50m -
Anglian Water COGGESHALL-EAST ST SO River Blackwater 1 0 h 45m -
Anglian Water LT TOTHAM-SCHOOL RD TPS Penny'S Brook River Blackwater 0 0 h -
Anglian Water TOLLESHUNT KNIGHTS-BROOK R TPS Layer Brook 0 0 h -
Anglian Water COGGESHALL-EAST ST R O #18 OV River Blackwater 0 0 h -
Anglian Water TOLLESHUNT KNIGHTS-FORGE SP Layer Brook 0 0 h -
Anglian Water Earls Colne St Andrews Church Combined Sewer Overflow River Colne 0 0 h -
Anglian Water EARLS COLNE STW River Colne 0 0 h -
Anglian Water GREAT TOTHAM STW Spicketts Brook Blackwater 0 0 h -
Anglian Water EARLS COLNE-COLCHESTER RD TPS River Colne 0 0 h -
Anglian Water COGGESHALL-EAST ST R O #18 OV River Blackwater 0 0 h -
Anglian Water COGGESHALL-EAST ST SO River Blackwater 0 0 h -
Anglian Water Earls Colne Church Hill #3 Combined Sewer Overflow River Colne 0 0 h -
Anglian Water TIPTREE STW Virley Brook Salcottcreek 0 0 h -
Anglian Water WHITE NOTLEY STW River Brain 0 0 h -
Anglian Water Maldon STW Pennys Brook 0 0 h -
Anglian Water Tollesbury Water Recycling Centre Tollesbury Fleet To Blackwater 0 0 h -
Anglian Water WITHAM STW Tidal River Chelmer 0 0 h -
Anglian Water LT TOTHAM-SCHOOL RD TPS Penny'S Brook River Blackwater 0 0 h -
Anglian Water COPFORD STW Roman River 0 0 h -
Anglian Water STISTED STW Stisted Brook River Blackwater 0 0 h -
Anglian Water KELVEDON-EASTERFORD RD SO Blackwater 0 0 h -
Anglian Water KELVEDON-GREYS MILL SO River Blackwater 0 0 h -
Anglian Water Hatfield Peverel Crabbs Hill Terminal Pumping Station River Ter 0 0 h -
Anglian Water WHITE NOTLEY STW River Brain 0 0 h -
Anglian Water TIPTREE-GORSE LA TPS Layer Brook 0 0 h -
Anglian Water Earls Colne St Andrews Church Combined Sewer Overflow River Colne 0 0 h -
Anglian Water COGGESHALL STW River Blackwater 0 0 h -
Anglian Water Tollesbury Water Recycling Centre Tollesbury Fleet To Blackwater 0 0 h -
Anglian Water KELVEDON-STATION RD SO Blackwater 0 0 h -
Anglian Water HALSTEAD STW River Colne 0 0 h -
Anglian Water Tolleshunt D'Arcy Sewage Treatment Works Bowstead Brook River Blackwate 0 0 h -
Anglian Water COGGESHALL STW River Blackwater 0 0 h -

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.