Grantham and Stamford was polluted by sewage 305 times in 2023
lasting 1,927 hours
- but monitoring was disabled in some locations, so could be more

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Constituency

✔ means we have experimental daily data since 2023

Totals for Grantham and Stamford in 2023

12 Sites polluted by Anglian Water, Severn Trent Water

305 sewage dumps
1,927 h duration

That's 2.68 months. 5.9 times a week, on average

Change Over Time

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Constituencies near Grantham and Stamford

Waterways in Grantham and Stamford

Pollution Summary 2023

Here are all the reported sewage overflow totals for Grantham and Stamford in 2023. 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 3 of the total 20 CSO locations had reporting enabled for less than half the year, of which 3 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Anglian Water	West Glen River	LITTLE BYTHAM STW	90	801	90.5
Anglian Water	West Glen	LITTLE BYTHAM - STATION ROAD CSO	31	324	100
Anglian Water	Grantham Canal	HARLAXTON WATER RECYCLING CENTRE	43	306	100
Anglian Water	East Glen River	MANTHORPE STW	50	223	100
Anglian Water	River Welland	STAMFORD-HUDDS MILL TPS	12	96	100
Anglian Water	Bourne Eau + Black Sluice Dyke	BOURNE WATER RECYCLING CENTRE	19	84	100
Severn Trent Water	River Devon	WOOLSTHORPE SEWAGE TREATMENT WORKS	22	39	99.7
Anglian Water	River Welland	STAMFORD - CASTLE STREET CSO	22	16	100
Anglian Water	Unknown South Of Dyke Dr	DYKE PS	2	16	100
Anglian Water	R Welland	CASEWICK LANE PS	3	16	100
Anglian Water	River Witham	COLSTERWORTH STW	9	3	100
Anglian Water	River Witham	GRANTHAM - BRIDGE END GROVE CSO	2	0	31.7
Anglian Water	East Glen	SSO AT SWINSTEAD	0	0	100
Anglian Water	Reepham Beck	REEPHAM STW	0	0	0
Anglian Water	West Glen Rir	CREETON PUMPING STATION	0	0	100
Anglian Water	Mill Stream	RUTLAND TERRACE CSO	0	0	99.9
Anglian Water	River Witham	GRANTA CRESCENT CSO	0	0	0
Anglian Water	River Witham	NORTH WITHAM TPS	0	0	100
Anglian Water	River Welland	TALLINGTON SPS	0	0	0
Anglian Water	Unknown	ALMA PARK STW - SSO	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. 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.

Analysing sewage pollution by the Water Industry

With generous support from:

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