Daventry was polluted by sewage 4,042 times in 2024
lasting 55,424 hours - that's 6.41 years!

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for Daventry in 2025

So far this year (as of Apr 16, 2025, 5:45 PM) there has been 10,460 hours of sewage overflows - that's 1.21 years!

Totals for Daventry in 2024

60 Sites polluted by Anglian Water, Severn Trent Water, Thames Water

4,042 sewage dumps
55,424 h duration

That's 6.41 years! On average 11.1 times a day

Change Over Time

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Constituencies near Daventry

Waterways in Daventry

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Daventry, 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 Daventry 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 64 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	Whilton Branch R Nene	WELTON N'HANT WATER RECYCLING CNTR	247	5,499	93.7
Thames Water	Boddington Canal Feeder	BODDINGTON WWTW	235	4,433	100
Anglian Water	Brampton Branch River Nene	HOLLOWELL WATER RECYCLING CENTRE	191	3,585	83.4
Anglian Water	River Nene	WHILTON SPS	171	3,419	87.7
Anglian Water	R Nene	HARLESTONE PS	157	3,378	100
Anglian Water	River Ise	GREAT OXENDON STW	154	3,205	99.7
Anglian Water	Walgrave Brook	WALGRAVE (EX STW) PUMPING STATION	148	2,936	98
Anglian Water	River Welland	SIBBERTOFT STW	121	2,541	99.9
Anglian Water	Kislingbury Branch River Nene	NEWNHAM(NORTHANTS) WRC	137	2,455	92.7
Thames Water	River Cherwell	EYDON WASTEWATER TREATMENT WORKS	131	2,192	99.2
Anglian Water	R Nene	CHURCH BRAMPTON SP	136	2,006	100
Anglian Water	Everden Brook River Nene	EVERDON STW	183	1,925	99.7
Anglian Water	Whilton Branch River Nene	LONG BUCKBY WATER RECYCLING CENTRE	117	1,827	100
Anglian Water	Brampton Branch River Nene	CREATON STW	85	1,628	95.1
Anglian Water	Scaldwell Brook	SCALDWELL (EX STW) PUMPING STATION	79	1,410	100
Anglian Water	River Ise	ARTHINGWORTH TERMINAL PUMPING STAT	77	1,033	100
Severn Trent Water	River Avon	NASEBY SEWAGE TREATMENT WORKS	140	1,009	99.8
Anglian Water	River Nene	LT HARROWDEN SSO (6503)	109	834	85.5
Anglian Water	River Nene	ASHBY ST.LEDGERS SPS	68	818	100
Anglian Water	Kislingbury Branch R Nene	WEEDON STW	67	796	73.5
Anglian Water	Brington Brook	BRINGTON WATER RECYCLING CENTRE	65	777	23.7
Severn Trent Water	River Leam	BRAUNSTON STW	61	621	97.3
Anglian Water	Brixworth Branch Of R Nen	HOLCOT SPS	58	596	100
Severn Trent Water	Yelvertoft Brook	LILBOURNE SEWAGE TREATMENT WORKS	74	595	100
Thames Water	Byfield Brook	BYFIELD WASTEWATER TREATMENT WORKS	31	557	97.5
Thames Water	River Cherwell	WOODFORD HALSE SPS	52	492	99.8
Anglian Water	Unknown River Nene	LITTLE BRINGTON SPS	49	393	100
Anglian Water	River Nene	WEEDON PUMPING STATION	33	366	100
Thames Water	River Cherwell	CHIPPING WARDEN WWTW	61	360	100
Anglian Water	Sywell Reservoir	SYWELL PS	33	358	95.8
Anglian Water	River Nene	GREAT DODDINGTON STW	47	300	97
Severn Trent Water	Rains Brook	KILSBY STW	37	257	100
Anglian Water	River Nene	LONG BUCKBY CSO	41	256	100
Anglian Water	Stanwell Brook	BROOK VALE SSO	32	228	96.2
Anglian Water	Norton Brook Grand Union Canal	NORTON(NORTHANTS) STW	119	228	100
Anglian Water	Un-Named River Nene	CREATON SPS	46	222	99.3
Anglian Water	River Ise	CLIPSTON STW	25	205	100
Severn Trent Water	River Leam	HELLIDON PUMPING STATION	25	203	94.4
Anglian Water	River Nene	STATION RD SSO E BARTON	43	189	35
Anglian Water	River Nene	WEST HADDON SP	45	188	100
Anglian Water	River Nene	EARLS BARTON TPS	49	186	97.4
Anglian Water	Brampton Branch River Nene	RAVENSTHORPE STW	44	167	89.4
Anglian Water	River Nene	GREAT BRINGTON PS	26	154	100
Anglian Water	River Nene	LONG BUCKBY SP	12	84	100
Anglian Water	Feeder Stream Daventry Reservo	DAVENTRY SEWERAGE SYSTEM	45	80	99.9
Severn Trent Water	Yelvertoft Brook	YELVERTOFT STW	17	76	100
Anglian Water	River Nene	THORNBY PS	4	68	82.2
Anglian Water	River Nene	TEETON	9	39	100
Thames Water	Highfurlong Brook	ASTON LE WALLS WWTW	7	39	99.2
Anglian Water	Brampton Brach	EAST HADDON STW	13	34	100
Anglian Water	Unknown	BOUGHTON CROSSING PS	7	28	100
Anglian Water	Swanspool Brook	MEARS ASHBY MAIN PS	10	28	100
Anglian Water	Faxton Brook	PITSFORD SPS	8	18	99.8
Anglian Water	River Nene Brixworth Brnch	SPRATTON TPS	2	18	100
Severn Trent Water	River Avon	WELFORD STW	11	15	100
Anglian Water	Of Spratton Brook	COLD ASHBY CSO	17	15	53.6
Anglian Water	River Nene	FLORE	6	11	84.9
Anglian Water	Spratton Brook	GUILSBOROUGH SSO	17	8	99.7
Anglian Water	River Ise	HARDWICK MEADOW FIELDS CSO	5	6	100
Anglian Water	River Nene	KETTERING RD (2504)	3	1	91.9
Severn Trent Water	Clifton Brook	CRICK PUMPING STATION	0	0	71.3
Anglian Water	River Nene Or G.U.C.	WHILTON(DAVENTRY) STW	0	0	100
Anglian Water	Unknown River Nene	NOBOTTLE SPS	0	0	100
Anglian Water	Brampton Branch River Nene	DRAUGHTON WATER RECYCLING CENTRE	0	0	93.1

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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