Sleaford and North Hykeham was polluted by sewage 961 times in 2024
lasting 11,518 hours - that's 1.33 years!

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Live data for Sleaford and North Hykeham in 2025
So far this year (as of Apr 16, 2025, 6:00 PM) there has been 1,403 hours of sewage overflows - that's 0.16 years!
Totals for Sleaford and North Hykeham in 2024
20 Sites polluted by Anglian Water
961 sewage dumps
11,518 h duration
That's 1.33 years! On average 2.6 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Sleaford and North Hykeham, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
     Monitoring Online      Monitoring Offline      Polluting      Potentially Polluting      Unknown
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Sleaford and North Hykeham in 2024. 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 0 of the total 24 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Anglian Water Un R Brant LEADENHAM STW 118 2,117 99.7
Anglian Water Old River Slea SLEAFORD WATER RECYCLING CENTRE 135 1,686 96.85
Anglian Water River Brant BRANT BROUGHTON WATER RECYCLING CTR 87 1,527 100
Anglian Water Car Dyke Meth'Gham Delph Rive METHERINGHAM STW 93 1,237 95.3
Anglian Water Billinghay Soke Dyke BILLINGHAY WATER RECYCLING CENTRE 96 1,020 100
Anglian Water Un River Witham SWINDERBY(EXRAF) STW 52 943 99.8
Anglian Water Heckington Eau HECKINGTON STW 69 739 95.95
Anglian Water River Witham BASSINGHAM WATER RECYCLING CENTRE 57 591 100
Anglian Water Beck To River Sl SOUTH RAUCEBY WATER RECYCLING CENTR 91 387 100
Anglian Water Navenby Beck NAVENBY WATER RECYCLING CENTRE 39 378 93.4
Anglian Water Ruskington Beck RUSKINGTON STW SPS 36 296 98.2
Anglian Water River Witham NORTH HYKEHAM WATER RECYCLING CENTR 26 284 79.4
Anglian Water Car Dyke WALCOTT - THE DRIFT PUMPING STATION 34 242 100
Anglian Water Unknown FEN ROAD PS 9 34 100
Anglian Water Unnamed Drain EAGLE PUMPING STATION 6 20 100
Anglian Water Ruskington Beck RUSKINGTON MH0102 MANOR STREET CSO 7 3 100
Anglian Water Un Anwick Soke ANWICK-RIVER LANE TPS 1 3 100
Anglian Water Dyke Kyne Eau FERRY LANE NORTH KYME 1 1 100
Anglian Water Soke Dyke R Witham ELIZABETH AVENUE PS 1 1 100
Anglian Water Unknown Nine Foot Drain GRANTHAM RD - SLEAFORD 3 0 100
Anglian Water Dyke To River Slea SLEAFORD - ST GILES AVENUE SPS 0 0 100
Anglian Water Kyme Eau SOUTH KYME STW 0 0 100
Anglian Water Leasingham Beck LEASINGHAM - MOOR LA TPS 0 0 100
Anglian Water Old River Slea SLEAFORD MH 53 CARR STREET 0 0 99.6

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. This 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.