South Northamptonshire was polluted by sewage 1,497 times in 2023
lasting 15,771 hours - that's 1.83 years!
- 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 South Northamptonshire in 2023

44 Sites polluted by Anglian Water, Thames Water

1,497 sewage dumps
15,771 h duration

That's 1.83 years! On average 4.1 times a day

Change Over Time

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Constituencies near South Northamptonshire

Waterways in South Northamptonshire

Daily Data Since 2023

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 2023

Here are all the reported sewage overflow totals for South Northamptonshire 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 4 of the total 58 CSO locations had reporting enabled for less than half the year, of which 4 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Thames Water	Boddington Canal Feeder	BODDINGTON WWTW	159	2,833	100
Anglian Water	Hulcote Brook River Tove	TIFFIELD STW	80	1,633	76.6
Anglian Water	River Tove	GREENS NORTON WRC	87	1,599	100
Anglian Water	River Tove River Gre	SILVERSTONE STW	101	1,452	100
Thames Water	River Cherwell	EYDON WASTEWATER TREATMENT WORKS	101	1,443	99.5
Anglian Water	River Tove River Great Ouse N	TOWCESTER WATER RECYCLING CENTRE	66	1,108	100
Anglian Water	Grendon Brook	YARDLEY HASTINGS STW	62	719	100
Anglian Water	Farthingstone Brook River Nene	LITCHBOROUGH WRC	59	697	100
Anglian Water	Dogsmouth Brook	COSGROVE CSO	85	673	99.7
Anglian Water	Grendon Brook	YARDLEY HASTINGS STW PS	79	636	99.1
Anglian Water	River Tove	STOKE BRUERNE STW	107	413	100
Thames Water	River Cherwell	CHIPPING WARDEN WWTW	42	408	97.4
Anglian Water	Syresham Stream	STORM SEWER OVERFLOW CROWFIELD PS	46	331	100
Anglian Water	Denton Brook	DENTON TPS (NORTHANTS)	14	303	100
Anglian Water	Helmdon Brook River Tove	HELMDON WATER RECYCLING CENTRE	35	291	100
Anglian Water	River Tove	WAPPENHAM SPS EO	12	250	100
Anglian Water	Silverstone Brook	WHITTLEBURY SEWAGE PUMPING STATION	42	232	100
Thames Water	Washle Brook	MIDDLETON CHENEY WTW	19	159	98.9
Anglian Water	.	HARDINGSTONE SEWERAGE	76	137	100
Thames Water	Chacombe Brook	CHACOMBE STW, CHACOMBE, NORTHANTS	29	68	100
Thames Water	Ashby Brook	MORETON PINKNEY WWTW	18	58	99.8
Anglian Water	River Tove	PAULERSPURY - CUTTLE MILL PS	24	53	100
Anglian Water	Stream River Great Ouse	EVENLEY STW	21	43	100
Anglian Water	River Tove	HARTWELL COLMAR KENNELS CSO	13	42	100
Thames Water	Kings Sutton Stream	KINGS SUTTON STW, KINGS SUTTON, NOR	16	38	99.1
Thames Water	Culworth Brook	Culworth	11	24	99.6
Anglian Water	River Ouse	BRACKLEY TERMINAL PS	25	23	100
Anglian Water	Bugbrooke Brook	GRIMSCOTE PUMPING STATION	18	19	100
Anglian Water	Wootton Brook	HACKLETON SPS	2	19	100
Anglian Water	River Tove	HELMDON TERMINAL PUMPING STATION	7	17	100
Anglian Water	River Tove	BRADDEN PS NO.2	1	9	100
Thames Water	Farthinghoestream	GREATWORTH STW, GREATWORTH, NORTHAN	3	6	98.1
Thames Water	Highfurlong Brook	ASTON LE WALLS WWTW	3	6	94.2
Anglian Water	Unknown River Nene	BRAFIELD SSO	1	4	100
Anglian Water	Great River Ouse	POTTERSPURY - CHURCH END CSO	4	2	98.2
Thames Water	Middleton Brook	BANBURY ROAD PUMPING STATION, MIDDL	4	2	94.4
Anglian Water	Un Castle Ashby	CASTLE ASHBY STW	8	2	100
Anglian Water	River Tove	BENGAL LANE	5	1	99.4
Anglian Water	River Tove	BLAKESLEY TPS MANHOLE 135	2	1	1.8
Anglian Water	River Nene	SSO UPPER HEYFORD	2	1	100
Anglian Water	River Tove	COSGROVE 23 MAIN STREET CSO	3	0	100
Anglian Water	Wootton Brook	WOOTTON - BERRY LANE CSO	3	0	100
Anglian Water	Salcey Brook	SALCEY FOREST SO	1	0	100
Anglian Water	Hinton Stream	BRACKLEY - BRIDGE STREET CSO	1	0	100
Anglian Water	River Tove	ABTHORPE TERMINAL PUMPING STATION	0	0	100
Anglian Water	River Tove	TOWCESTER SW - PUMPING STATION	0	0	0
Anglian Water	Pattishall Brook	EX PATTISHALL STW SSO	0	0	16
Anglian Water	Blisworth Arm Of Wootton Brook	MANHOLE NO 6201	0	0	0
Anglian Water	Unknown River Nene	LITTLE HOUGHTON SSO	0	0	100
Anglian Water	Silverstone Brook	RES DEV GREEN LANE	0	0	100
Anglian Water	Salcey Brook	ASHTON WATER RECYCLING CENTRE	0	0	100
Anglian Water	Unknown	TIFFIELD STW	0	0	0
Anglian Water	Unknown	TOWCESTER SW - PUMPING STATION	0	0	0
Anglian Water	Unknown	SHUTLANGER	0	0	100
Anglian Water	Silverstone Brook River Tove	TOWCESTER TERMINAL PUMPING STATION	0	0	100
Anglian Water	Unknown	ROADE SO	0	0	100
Anglian Water	Great River Ouse	DEANSHANGER CSO	0	0	100
Anglian Water	Unknown	GREAT HOUGHTON CSO	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

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