Sleaford and North Hykeham - Live Sewage

Polluted by sewage 6,366 hours in 2026 , monitoring offline 2,584 hours , potential overflows 93 hours so far..

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Contains OS Data © Crown copyright & database right 2021-2024
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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Sleaford and North Hykeham 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.

Totals for Sleaford and North Hykeham in 2026

Sewage6,366 hours
Monitoring offline2,584 hours
Potential pollution93 hours
Storm overflows48

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Daily Data

Jan - 2,341 hours
Feb - 2,741 hours , 1 offline
Mar - 980 hours , 74 potential
Apr - 102 hours , 19 potential
May - 7 hours , 590 offline
Jun - 13 hours , 0 offline
Jul - 6 hours , 530 offline
Aug - 80 hours , 249 offline
Sept - 26 hours , 24 offline
Oct - 66 hours , 24 offline
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Anglian Water LEADENHAM STW Un R Brant 70 1,597h 48m 49 h
Anglian Water METHERINGHAM STW Car Dyke Meth'Gham Delph Rive 114 1,341h 42m 141 h
Anglian Water BRANT BROUGHTON STW River Brant 57 1,227h 27m -
Anglian Water BILLINGHAY STW Billinghay Soke Dyke 54 536h 25m -
Anglian Water SLEAFORD WRC Old River Slea 45 503h 46m -
Anglian Water South Rauceby Water Recycling Centre Beck To River Sl 42 234h 35m -
Anglian Water Bassingham WRC River Witham 36 226h 10m -
Anglian Water NORTH HYKEHAM STW River Witham 19 183h 10m 2,437 h
Anglian Water HECKINGTON STW Heckington Eau 31 167h 51m 1 h
Anglian Water RUSKINGTON STW TPS Ruskington Beck 42 130h 3m -
Anglian Water EAGLE SP Unnamed Drain 6 98h 51m -
Anglian Water SOUTH KYME STW Kyme Eau 7 46h 21m -
Anglian Water WALCOTT-THE DRIFT SP Car Dyke 6 30h 2m -
Anglian Water SWINDERBY STW Un River Witham 7 23h 51m -
Anglian Water NAVENBY STW Navenby Beck 3 9h 4m -
Anglian Water SLEAFORD MH 53 CARR ST Old River Slea 2 6h 23m -
Anglian Water SLEAFORD WRC Old River Slea 1 1h 30m -
Anglian Water RUSKINGTON-MH0102 MANOR ST SSO Ruskington Beck 1 0h 59m -
Anglian Water SLEAFORD-QUEEN ST/GRANTHA RD Unknown Nine Foot Drain 1 0h 15m -
Anglian Water ANWICK-RIVER LA TPS Un Anwick Soke 1 0h 13m 24 h
Anglian Water TATTERSHALL BR-ELIZBTH AV TPS Soke Dyke R Witham 1 0h 5m -
Anglian Water HECKINGTON STW Heckington Eau 0 0h -
Anglian Water Bassingham WRC River Witham 0 0h -
Anglian Water N KYME-FERRY LA TPS Dyke Kyne Eau 0 0h -
Anglian Water LEASINGHAM-MOOR LA TPS Leasingham Beck 0 0h -
Anglian Water TATTERSHALL BR-ELIZBTH AV TPS Soke Dyke R Witham 0 0h -
Anglian Water NAVENBY STW Navenby Beck 0 0h -
Anglian Water RUSKINGTON-MH0102 MANOR ST SSO Ruskington Beck 0 0h -
Anglian Water N KYME-FERRY LA TPS Dyke Kyne Eau 0 0h -
Anglian Water WASHINGBOROUGH-FEN RD TPS Unknown 0 0h -
Anglian Water CSO and EO at Sleaford - St. Giles Avenue SP Dyke To River Slea 0 0h -
Anglian Water RUSKINGTON STW TPS Ruskington Beck 0 0h -
Anglian Water BRANT BROUGHTON STW River Brant 0 0h -
Anglian Water SLEAFORD WRC Old River Slea 0 0h -
Anglian Water LEADENHAM STW Un R Brant 0 0h -
Anglian Water BILLINGHAY STW Billinghay Soke Dyke 0 0h -
Anglian Water CSO and EO at Sleaford - St. Giles Avenue SP Dyke To River Slea 0 0h -
Anglian Water South Rauceby Water Recycling Centre Beck To River Sl 0 0h -
Anglian Water ANWICK-RIVER LA TPS Un Anwick Soke 0 0h -
Anglian Water EAGLE SP Unnamed Drain 0 0h -
Anglian Water METHERINGHAM STW Car Dyke Meth'Gham Delph Rive 0 0h -
Anglian Water NORTH HYKEHAM STW River Witham 0 0h -
Anglian Water SLEAFORD-QUEEN ST/GRANTHA RD Unknown Nine Foot Drain 0 0h -
Anglian Water SLEAFORD WRC Old River Slea 0 0h -
Anglian Water SWINDERBY STW Un River Witham 0 0h -
Anglian Water WASHINGBOROUGH-FEN RD TPS Unknown 0 0h -
Anglian Water WALCOTT-THE DRIFT SP Car Dyke 0 0h -
Anglian Water LEASINGHAM-MOOR LA TPS Leasingham Beck 0 0h 24 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

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.