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Gainsborough - Live Sewage

Polluted by sewage 4,770 hours in 2026 , monitoring offline 243 hours , potential overflows 1,952 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 Gainsborough 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 - 1,672 hours , 96 offline
Feb - 1,810 hours , 36 offline
Mar - 1,024 hours , 63 offline
Apr - 3 hours
May - 24 hours
Jun - 43 hours
Jul - 1 hours
Aug - 95 hours , 52 potential
Sept - 14 hours , 1,440 potential
Oct - 80 hours , 459 potential
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Anglian Water NETTLEHAM STW Nettleham Beck 79 1,704h 40m -
Anglian Water STURTON BY STOW STW Sturton Beck River Till 52 558h 54m 1 h
Anglian Water DUNHOLME STW Dunholme Beck 30 384h 56m -
Anglian Water FISKERTON STW North Delph 34 384h 34m -
Anglian Water WILLINGHAM STW River Till River Witham 40 218h 36m 986 h
Anglian Water TEALBY STW River Rase 24 200h 42m -
Anglian Water GRASBY WRC Kettleby Beck 20 199h 34m -
Anglian Water SAXILBY STW Fossdyke Canal 37 149h 5m -
Severn Trent Water GAINSBOROUGH - NORTH WARREN ROAD (CSO) River Trent 57 148h 42m -
Anglian Water S KELSEY-NORTH SP South Kelsey Drain 45 146h 44m -
Anglian Water Hemswell (RAF) Camp Sewage Treatment Works Of Black Dyke 22 135h 58m 24 h
Anglian Water NORTH KELSEY STW North Kelsey Beck Rive 51 109h 54m -
Severn Trent Water SCOTTER STW (SSTO) River Eau 21 95h 1m -
Anglian Water Market Rasen-Caistor Road Combined Sewer Overflow River Rase 21 90h 15m 24 h
Severn Trent Water GAINSBOROUGH - BRIDGE STREET (CSO) River Trent 51 47h 9m 36 h
Anglian Water SAXILBY-HIGH ST/MANOR RD SSO Fossdyke Navigation Canal 10 42h 10m 965 h
Anglian Water SCOTHERN TPS Scothern Fen Drain 2 27h 14m -
Anglian Water WADDINGHAM-THE GREEN TPS Waddingham Beck 3 24h 10m -
Anglian Water OWMBY STW Unknown 5 19h -
Anglian Water SAXILBY-HIGH ST/WEST BANK SSO Fossdyke Navigation Canal 13 18h 39m -
Severn Trent Water BLYTON - HIGH ST PS (BLACK HORSE) (CSO) Laughton Highland Drain 5 18h 37m 96 h
Anglian Water High Street, Fiskerton Unknown North Delph 5 12h 51m -
Severn Trent Water GAINSBOROUGH - LEA ROAD STW (SSTO) River Trent 4 10h 46m -
Severn Trent Water AISBY STW (CSO) Aisby Beck 3 7h 6m -
Anglian Water CAISTOR STW Caistor Canal River Ancholme 15 6h 48m -
Anglian Water S KELSEY-SOUTH SP Dyke South Kelsey Catchwater 4 5h 55m -
Anglian Water CSO and EO at Glentham - Caenby Road SP Unnamed Dyke To Seggimoor Beck 1 1h 1m -
Anglian Water BARDNEY STW River Witham 2 0h 44m -
Anglian Water KEELBY STW Caddle Beck 1 0h 25m -
Anglian Water N KELSEY-BRIGG RD TPS Dyke North Kelsey Beck 1 0h 9m -
Anglian Water MARKET RASEN-GALLAMORE RD SP River Rase 1 0h 6m -
Severn Trent Water GAINSBOROUGH - LEA ROAD STW (SSTO) River Trent 0 0h -
Anglian Water Hemswell (RAF) Camp Sewage Treatment Works Of Black Dyke 0 0h -
Anglian Water WILLINGHAM STW River Till River Witham 0 0h -
Anglian Water STURTON BY STOW STW Sturton Beck River Till 0 0h -
Severn Trent Water PILHAM (CSO) Laughton Drain 0 0h 62 h
Anglian Water SNITTERBY SP Un Black Dyke 0 0h -
Anglian Water REEPHAM-KENNEL LA/CLOUGH HIL Reepham Beck 0 0h -
Anglian Water SAXILBY-HIGH ST/WEST BANK SSO Fossdyke Navigation Canal 0 0h -
Anglian Water Kexby_#4 Kexby Lane SP Unnamed Dyke Leading Padmoor D 0 0h -
Anglian Water FISKERTON SP North Delph 0 0h -
Anglian Water SCOTHERN TPS Scothern Fen Drain 0 0h -
Severn Trent Water SCOTTER STW (SSTO) River Eau 0 0h -
Severn Trent Water BLYTON - HIGH ST PS (BLACK HORSE) (CSO) Laughton Highland Drain 0 0h -
Anglian Water SAXILBY STW Fossdyke Canal 0 0h -
Severn Trent Water GAINSBOROUGH - BRIDGE STREET (CSO) River Trent 0 0h -
Anglian Water OWMBY STW Unknown 0 0h -
Anglian Water GRASBY WRC Kettleby Beck 0 0h -
Anglian Water FISKERTON SP North Delph 0 0h -
Anglian Water High Street, Fiskerton Unknown North Delph 0 0h -
Anglian Water SAXILBY-HIGH ST/MANOR RD SSO Fossdyke Navigation Canal 0 0h -
Anglian Water MARKET RASEN STW TPS River Rase 0 0h -
Anglian Water Market Rasen-Caistor Road Combined Sewer Overflow River Rase 0 0h -
Anglian Water TEALBY STW River Rase 0 0h -
Anglian Water NETTLEHAM WRC Nettleham Beck 0 0h -
Severn Trent Water NORTHORPE (STW) River Eau 0 0h -
Severn Trent Water AISBY STW (CSO) Aisby Beck 0 0h -
Severn Trent Water NORTHORPE (STW) River Eau 0 0h -
Anglian Water WADDINGHAM-THE GREEN TPS Waddingham Beck 0 0h -
Anglian Water DUNHOLME STW Dunholme Beck 0 0h -
Anglian Water CAISTOR STW Caistor Canal River Ancholme 0 0h -
Anglian Water KEELBY STW Caddle Beck 0 0h -
Anglian Water S KELSEY-SOUTH SP Dyke South Kelsey Catchwater 0 0h -
Severn Trent Water GAINSBOROUGH - NORTH WARREN ROAD (CSO) River Trent 0 0h -
Anglian Water NORTH KELSEY STW North Kelsey Beck Rive 0 0h -
Anglian Water N KELSEY-BRIGG RD TPS Dyke North Kelsey Beck 0 0h -
Anglian Water REEPHAM STW (LINCS) Reepham Beck Barling Eau Rive 0 0h -
Anglian Water NETTLEHAM STW Nettleham Beck 0 0h -
Anglian Water SNITTERBY SP Un Black Dyke 0 0h -
Anglian Water CSO and EO at Glentham - Caenby Road SP Unnamed Dyke To Seggimoor Beck 0 0h -
Anglian Water S KELSEY-NORTH SP South Kelsey Drain 0 0h -
Anglian Water REEPHAM-KENNEL LA/CLOUGH HIL Reepham Beck 0 0h -
Anglian Water MARKET RASEN STW TPS River Rase 0 0h -
Anglian Water FISKERTON STW North Delph 0 0h -
Anglian Water BARDNEY STW River Witham 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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.