It's a Dirty Business

Watch Channel 4's documentary about the state of the water industry, then sign the petition to bring water back to public ownership.

Gainsborough - Live Sewage

Polluted by sewage 4,533 hours in 2026 , monitoring offline 195 hours so far..

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

Which Year?

Select Another Constituency

Select the constituency from the drop-down
✔ 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.

Take Action

Your local MP is Edward Leigh (Conservative) - Find out more about their interests, donors, and voting at They Work For You

Share this page, post a message, and tell others about the huge problem of sewage pollution across the UK

Daily Data

Jan - 1,672 hours , 96 offline
Feb - 1,810 hours , 36 offline
Mar - 1,024 hours , 63 offline
Apr - 3 hours
May - 22 hours
Jun - 0 hours
Jul - 0 hours
We need your support!

Please consider a one-off or small recurring donation. We need your help to keep this site going.

Donate Now

Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Anglian Water NETTLEHAM STW Nettleham Beck 76 1,698h 56m -
Anglian Water STURTON BY STOW STW Sturton Beck River Till 42 542h 7m 1 h
Anglian Water DUNHOLME STW Dunholme Beck 29 381h 56m -
Anglian Water FISKERTON STW North Delph 29 362h 24m -
Anglian Water WILLINGHAM STW River Till River Witham 34 213h 1m -
Anglian Water GRASBY WRC Kettleby Beck 16 185h 58m -
Anglian Water TEALBY STW River Rase 16 182h 58m -
Anglian Water SAXILBY STW Fossdyke Canal 32 145h 55m -
Anglian Water Hemswell (RAF) Camp Sewage Treatment Works Of Black Dyke 22 135h 58m -
Anglian Water S KELSEY-NORTH SP South Kelsey Drain 28 116h 6m -
Severn Trent Water GAINSBOROUGH - NORTH WARREN ROAD (CSO) River Trent 34 97h 42m -
Severn Trent Water SCOTTER STW (SSTO) River Eau 20 94h 25m -
Anglian Water Market Rasen-Caistor Road Combined Sewer Overflow River Rase 15 82h 19m -
Anglian Water NORTH KELSEY STW North Kelsey Beck Rive 34 78h 17m -
Anglian Water SAXILBY-HIGH ST/MANOR RD SSO Fossdyke Navigation Canal 8 40h 3m -
Severn Trent Water GAINSBOROUGH - BRIDGE STREET (CSO) River Trent 36 38h 30m 36 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 4 18h 42m -
Severn Trent Water BLYTON - HIGH ST PS (BLACK HORSE) (CSO) Laughton Highland Drain 3 17h 10m 96 h
Anglian Water High Street, Fiskerton Unknown North Delph 3 11h 36m -
Severn Trent Water GAINSBOROUGH - LEA ROAD STW (SSTO) River Trent 3 10h 46m -
Anglian Water SAXILBY-HIGH ST/WEST BANK SSO Fossdyke Navigation Canal 8 7h 52m -
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 2 3h 42m -
Anglian Water CSO and EO at Glentham - Caenby Road SP Unnamed Dyke To Seggimoor Beck 1 1h 1m -
Anglian Water BARDNEY STW River Witham 1 0h 14m -
Severn Trent Water GAINSBOROUGH - LEA ROAD STW (SSTO) River Trent 0 0h -
Anglian Water WADDINGHAM-THE GREEN TPS Waddingham Beck 0 0h -
Anglian Water Hemswell (RAF) Camp Sewage Treatment Works Of Black Dyke 0 0h -
Anglian Water N KELSEY-BRIGG RD TPS Dyke North Kelsey Beck 0 0h -
Anglian Water WILLINGHAM STW River Till River Witham 0 0h -
Anglian Water DUNHOLME STW Dunholme Beck 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 KEELBY STW Caddle Beck 0 0h -
Anglian Water FISKERTON SP North Delph 0 0h -
Anglian Water CAISTOR STW Caistor Canal River Ancholme 0 0h -
Anglian Water SCOTHERN TPS Scothern Fen Drain 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 SCOTTER STW (SSTO) River Eau 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 -
Severn Trent Water BLYTON - HIGH ST PS (BLACK HORSE) (CSO) Laughton Highland Drain 0 0h -
Anglian Water SAXILBY STW Fossdyke Canal 0 0h -
Anglian Water NETTLEHAM STW Nettleham Beck 0 0h -
Anglian Water SNITTERBY SP Un Black Dyke 0 0h -
Severn Trent Water GAINSBOROUGH - BRIDGE STREET (CSO) River Trent 0 0h -
Anglian Water CSO and EO at Glentham - Caenby Road SP Unnamed Dyke To Seggimoor Beck 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 S KELSEY-NORTH SP South Kelsey Drain 0 0h -
Anglian Water Market Rasen-Caistor Road Combined Sewer Overflow River Rase 0 0h -
Anglian Water REEPHAM-KENNEL LA/CLOUGH HIL Reepham Beck 0 0h -
Anglian Water TEALBY STW River Rase 0 0h -
Anglian Water MARKET RASEN STW TPS River Rase 0 0h -
Anglian Water FISKERTON STW North Delph 0 0h -
Anglian Water MARKET RASEN-GALLAMORE RD SP River Rase 0 0h -
Anglian Water NETTLEHAM WRC Nettleham Beck 0 0h -
Anglian Water BARDNEY STW River Witham 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 -

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.