It's a Dirty Business

Watch Channel 4's documentary about the state of the water industry.

Boston and Skegness - 2025 Sewage

Polluted by sewage 3,653 hours in 2025 , monitoring offline 5,063 hours , potential overflows 336 hours

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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 Boston and Skegness for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

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 - 481 hours
Feb - 2 hours
Mar - 2 hours
Apr - 49 hours
May - 48 hours , 562 offline
Jun - 2 hours , 720 offline
Jul - 25 hours , 744 offline
Aug - 11 hours , 744 offline
Sept - 19 hours , 720 offline
Oct - 18 hours , 744 offline
Nov - 2,316 hours , 720 offline
Dec - 674 hours , 312 potential
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Thank you so much to everyone who contributed to the site in 2025 to keep it running. We do rely on your contributions! Developing and running a website costs real money.
Please consider a one-off or small recurring donation.

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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Anglian Water Boston New East Side Terminal Pumping Station Wash Estuary 44 653 h 14m -
Anglian Water SIBSEY STW Mallows Drain Hobhole Drain 32 609 h 47m -
Anglian Water SKEGNESS-RICHMOND DR TPS Croft Bank Drain 34 597 h 42m -
Anglian Water MUMBY SP Unknown 28 553 h 28m -
Anglian Water STICKNEY STW East Fen Catchwater Drain 26 530 h 7m -
Anglian Water FRAMPTON STW Frampton Town Drain 7 97 h 59m -
Anglian Water SKEGNESS-RICHMOND DR TPS Croft Bank Drain 8 85 h 1m -
Anglian Water FRAMPTON STW Frampton Town Drain 5 77 h -
Anglian Water Boston New East Side Terminal Pumping Station Wash Estuary 12 65 h 47m -
Anglian Water SIBSEY STW Mallows Drain Hobhole Drain 8 61 h 47m -
Anglian Water Boston London Road Pumping Station Haven 4 48 h 59m -
Anglian Water Boston London Road Pumping Station South Forty Foot Drain 6 42 h 26m -
Anglian Water MUMBY SP Unknown 5 34 h 29m 336 h
Anglian Water STICKNEY STW East Fen Catchwater Drain 5 30 h 8m -
Anglian Water OLD LEAKE-SKIPMARSH LANE STW Leak Gride Drain 6 22 h 28m -
Anglian Water FISHTOFT STW Hobhole Drain 6 21 h 18m -
Anglian Water FISHTOFT STW Hobhole Drain 2 21 h 15m -
Anglian Water BURGH LE MARSH-STOREYS LAN TPS Catchwater Drain 2 16 h 45m -
Anglian Water Skendleby STW River Lymn 8 15 h 46m -
Anglian Water Boston Queens Road Combined Sewer Overflow Maud Foster Drain 6 14 h 37m -
Anglian Water Ingoldmells Haven Pumping Station (Ingoldmells WRC) North Sea 4 14 h 25m -
Anglian Water BURGH LE MARSH-STOREYS LAN TPS Catchwater Drain 1 14 h 15m -
Anglian Water WAINFLEET STW River Steeping 2 11 h 30m -
Anglian Water INGOLDMELLS STW North Sea 1 7 h -
Anglian Water Boston Sleaford Road Pumping Station North Forty Foot Drain 4 1 h 44m -
Anglian Water Boston Norfolk Place Combined Sewer Overflow Haven 3 1 h 6m -
Anglian Water Boston Sleaford Road Pumping Station North Forty Foot Drain 2 0 h 59m -
Anglian Water Boston Church Road Pumping Station Maud Foster Drain 2 0 h 44m -
Anglian Water Norfolk Street Combined Sewer Overflow Maud Foster Drain 1 0 h 42m -
Anglian Water Boston Queens Road Combined Sewer Overflow Maud Foster Drain 1 0 h 15m -
Anglian Water Boston Fenside Road Pumping Station North Forty Foot Drain 1 0 h 15m -
Anglian Water INGOLDMELLS-SOUTH GATE CAMP To Ingoldmells Main Drain 0 0 h 5,063 h
Anglian Water Boston Church Road Pumping Station Maud Foster Drain 0 0 h -
Anglian Water Norfolk Street Combined Sewer Overflow Maud Foster Drain 0 0 h -
Anglian Water Boston Norfolk Place Combined Sewer Overflow Haven 0 0 h -
Anglian Water Boston Fenside Road Pumping Station North Forty Foot Drain 0 0 h -
Anglian Water Boston London Road Pumping Station South Forty Foot Drain 0 0 h -
Anglian Water Boston London Road Pumping Station Haven 0 0 h -
Anglian Water INGOLDMELLS STW North Sea 0 0 h -
Anglian Water OLD LEAKE-SKIPMARSH LANE STW Leak Gride Drain 0 0 h -
Anglian Water WAINFLEET-BOSTON RD SP Unnamed Drain Steeping Haven 0 0 h -
Anglian Water INGOLDMELLS-SOUTH GATE CAMP To Ingoldmells Main Drain 0 0 h -
Anglian Water WAINFLEET-BOSTON RD SP Unnamed Drain Steeping Haven 0 0 h -
Anglian Water FISHTOFT-ROCHFORD TOWER LANE Hobhole Drain 0 0 h -
Anglian Water WAINFLEET STW River Steeping 0 0 h -
Anglian Water Skendleby STW River Lymn 0 0 h -
Anglian Water Ingoldmells Haven Pumping Station (Ingoldmells WRC) North Sea 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.