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Gainsborough

Polluted by sewage 804 times in 2025 lasting 6,471 hours

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

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Live data for Gainsborough in 2026

So far this year (as of 8 Aug 2026, 07:00) there has been 4,580 hours of sewage overflows, from 75 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Gainsborough in 2025

29 Sites polluted by Anglian Water Severn Trent Water
804 sewage dumps
6,471 hours duration
That's 8.99 months. On average 2.2 times a day

Change Over Time

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Waterways in Gainsborough

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Gainsborough in 2025. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Anglian Water Nettleham Beck NETTLEHAM STW 109 1,584 100
Anglian Water North Delph FISKERTON STW 42 619 100
Anglian Water Dunholme Beck DUNHOLME WATER RECYCLING CENTRE 42 539 100
Anglian Water Of Black Dyke HEMSWELL RAF CAMP STW 48 488 99.9
Anglian Water River Rase TEALBY STW 47 427 100
Anglian Water Sturton Beck River Till STURTON BY STOW STW 49 395 98.3
Severn Trent Water River Trent NORTH WARREN ROAD PUMPING STATION 67 378 99.9
Anglian Water Kettleby Beck GRASBY STW 32 349 100
Anglian Water South Kelsey Drain SPS SOUTH KELSEY 53 338 100
Anglian Water River Till River Witham WILLINGHAM(LINCS) STW 59 309 100
Anglian Water Fossdyke Canal SAXILBY STW 41 258 100
Severn Trent Water River Eau SCOTTER STW 26 230 99.9
Anglian Water Caistor Canal River Ancholme CAISTOR WATER RECYCLING CENTRE 20 171 93.4
Anglian Water Fossdyke Navigation Canal SAXILBY - HIGH STREET/WEST BANK CSO 35 73 99.85
Anglian Water River Rase CAISTOR ROAD SWS 12 47 99.5
Severn Trent Water River Trent BRIDGE STREET PUMPING STATION SSO 62 40 100
Anglian Water Unknown North Delph HIGH STREET MANHOLE 6 36 100
Anglian Water Scothern Fen Drain SCOTHERN TPS 2 30 100
Anglian Water Waddingham Beck WADDINGHAM GREEN PS 4 30 100
Severn Trent Water Laughton Highland Drain HIGH STREET (BLACK HORSE) SPS 11 29 100
Severn Trent Water River Trent GAINSBOROUGH STW 3 23 100
Anglian Water Unknown THORNTON ROAD PS 9 16 100
Anglian Water Unknown NORMANBY BY SPITAL STW 4 14 100
Anglian Water Caddle Beck KEELBY STW 9 12 100
Anglian Water Unnamed Dyke To Seggimoor Beck GLENTHAM - CAENBY ROAD SP 2 12 100
Severn Trent Water Aisby Beck AISBY SEWAGE TREATMENT WORKS 6 5 100
Anglian Water Un Black Dyke SNITTERBY PUMPING STATION 1 4 100
Anglian Water North Kelsey Beck Rive NORTH KELSEY WATER RECYCLING CENTRE 2 3 100
Anglian Water Reepham Beck REEPHAM KENNEL LANE/CLOUGH HILL CSO 1 0 99.8
Anglian Water River Witham BARDNEY WATER RECYCLING CENTRE 0 0 99.9
Anglian Water North Delph FISKERTON PUMPING STATION 0 0 98.5
Anglian Water River Rase GALLAMORE ROAD PS 0 0 100
Anglian Water Unnamed Dyke Leading Padmoor D KEXBY PUMPING STATION 0 0 99.9
Anglian Water Nettleham Beck METTLEHAM STW, INLET SEWER 0 0 73.6
Anglian Water Dyke North Kelsey Beck NORTH KELSEY-BRIGG ROAD TPS 0 0 100
Severn Trent Water River Eau NORTHORPE SEWAGE TREATMENT WORKS 0 0 99.9
Severn Trent Water Laughton Drain PILHAM SEWAGE TREATMENT WORKS 0 0 99.9
Anglian Water Reepham Beck Barling Eau Rive REEPHAM(LINCS) STW 0 0 100

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.

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