North Devon

Polluted by sewage 3,307 times in 2024 lasting 31,703 hours - That's 3.67 years!

Monitoring fell below 50% in some locations so could be more

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Constituency

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✔ means we have experimental daily data since 2023

Live data for North Devon in 2025

So far this year (as of May 9, 2025, 5:15 AM) there has been 8,680 hours of sewage overflows - that's 1 years!

Totals for North Devon in 2024

66 Sites polluted by South West Water

3,307 sewage dumps

31,703 hours duration

That's 3.67 years! On average 9.1 times a day

Change Over Time

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Your local MP is Ian Roome (Liberal Democrat) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near North Devon

Waterways in North Devon

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for North Devon, 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.

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Pollution Summary 2024

Here are all the reported sewage overflow totals for North Devon 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 3 of the total 74 CSO locations had reporting enabled for less than half the year.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
South West Water	River Bray	BRAYFORD STW	205	4,512	98.8
South West Water	River Mole	SOUTH MOLTON WWTW	278	3,235	97
South West Water	Knowle Water	MIDDLE MARWOOD WWTW	119	2,349	98.1
South West Water	Hawkridge Brook	COBBATON STW	109	1,985	100
South West Water	Little Dart River	CHULMLEIGH WWTW SSO	132	1,920	100
South West Water	Unknown	BRATTON FLEMING STW	90	1,822	100
South West Water	Colam Stream	MUDDIFORD PUMPING STATION	87	1,773	99.8
South West Water	River Mole	NORTH MOLTON STW	99	1,564	100
South West Water	River Caen	KNOWLE WASTEWATER TREATMENT WORKS	65	1,137	76.2
South West Water	River Mole	WEST BUCKLAND STW	102	1,090	100
South West Water	Mully Brook	BURRINGTON STW	144	883	100
South West Water	Unknown	CHITTLEHAMHOLT STW	90	856	99.1
South West Water	Bristol Channel	WOOLACOMBE PSCSO/EO	52	796	100
South West Water	Hawkbridge Brook	CHITTLEHAMPTON WWTW	80	724	100
South West Water	Unnamed River Caen	WEST DOWN STW	204	714	100
South West Water	Croyde Bay	CROYDE WASTEWATER TREATMENT WORKS	96	630	61.45
South West Water	Knowle Water	PRIXFORD PUMPING STATION	41	584	99.5
South West Water	Chantry Stream	ATHERINGTON WWTW CSO	69	492	100
South West Water	River Venn	LANDKEY PUMPING STATION	67	484	100
South West Water	Crooked Oak	EAST KNOWSTONE STW	111	480	100
South West Water	Bryn Brook	MUDDLEBRIDGE CSO	35	448	100
South West Water	Hele Bay - Bristol Channel	IL'CMBE RESEWERAGE- HELE BEACH TANK	60	431	99.2
South West Water	River Torridge Estuary	WESTLEIGH PUMPING STATION	34	404	99.4
South West Water	Of Little Dart River	RACKENFORD WWTW SSO	77	320	100
South West Water	Bickleton Stream	FREMINGTON PILL PUMPING STATION	27	295	100
South West Water	Lynmouth Bay	LYNTON/LYNMOUTH SEWERAGE	54	233	98.6
South West Water	River Taw	KINGS NYMPTON (SOUTH) WWTW SSO	26	195	100
South West Water	Little Dart River	CHULMLEIGH (GOLF COURSE)	71	162	98.3
South West Water	Sir Arthur'S Pill	SAUNTON ROAD PUMPING STATION	48	124	100
South West Water	River Taw	BURRINGTON CSO	6	116	100
South West Water	Taw Estuary	POTTINGTON PUMPING STATION	38	110	100
South West Water	Unknown	PARRACOMBE STW	9	92	41.8
South West Water	Little Dart River	EAST STREET PSCSO/EO	36	63	100
South West Water	River Torridge Estuary	INSTOW A PUMPING STATION	10	61	100
South West Water	River Mole	WWTW AT ALSWEAR NO. 1	31	58	100
South West Water	River Taw Estuary	ANCHORWOOD PS	22	57	53.2
South West Water	River Venn	BISHOPS TAWTON PUMPING STATION	32	52	98.8
South West Water	Ilfracombe Harbour	LARKSTONE LANE STORM TANK CSO	20	52	100
South West Water	Unnamed Watercourse	MOLLAND ( WEST ) STW	53	50	97.3
South West Water	Nadrid Water	WEST STREET PUMPING STATION	10	40	100
South West Water	Bryn Brook	COMBREW LANE CSO	13	38	99
South West Water	Knowl Water	LOWER PARK ROAD PUMPING STATION	12	35	99.8
South West Water	Lynmouth Bay	LYNMOUTH (MANOR GARDENS) STW	6	25	68.3
South West Water	Tidal River Caen	VELATOR PUMPING STATION	22	23	100
South West Water	River Mole	GEORGE NYMPTON WWTW SSO	21	23	56.7
South West Water	River Taw Estuary	YELLAND PUMPING STATION	42	21	100
South West Water	Hawkridge Brook	CHITTLEHAMPTON CSO	37	18	100
South West Water	River Mole	KINGS NYMPTON NORTH STW	13	18	100
South West Water	Unknown	BISHOPS NYMPTON STW	47	17	100
South West Water	Knowl Water Tidal Caen	VELATOR BRIDGE CSO	14	16	100
South West Water	River Mole	EAST STREET CSO	25	11	52.7
South West Water	Taw Estuary	ROCK PARK CSO	23	7	100
South West Water	River Mole	WINSFORD PARK PSCSO/EO	3	6	100
South West Water	Lady Well Stream	LYNTON/LYNMOUTH SEWERAGE	27	6	100
South West Water	Tidal River Yeo	PILTON QUAY CSO	11	6	100
South West Water	River Taw Estuary	OAKLAND PARK CSO	15	2	100
South West Water	Unnamed Stream	BERRYNARBOR PS CSO	1	2	100
South West Water	Nardridwater Via Sws	COOKS CROSS COMBINED SEWER OVERFLOW	11	2	100
South West Water	Nadrid Water	SOUTH STREET CSO	7	1	100
South West Water	Lynmouth Bay	LYNTON/LYNMOUTH SEWERAGE	2	1	100
South West Water	River Yeo	WEST ANSTEY STW	3	1	20.7
South West Water	Venn River	VILLAGE HALL PUMPING STATION	5	1	100
South West Water	West Wilder Brook	PROMENADE CSO- ILFRACOMBE RESEWERAG	2	0	100
South West Water	Lady Well Stream	LYNTON/LYNMOUTH	2	0	100
South West Water	Little Dart	GREENACRE PSCSO/EO	2	0	100
South West Water	River Mole	CATTLE MARKET CSO	2	0	100
South West Water	River Yeo Via Sws	DERBY ROAD COMBINED SEWER OVERFLOW	0	0	100
South West Water	Tongue Lake	KINGS NYMPTON CSO	0	0	14.9
South West Water	River Taw Estuary	PORTMARSH CSO	0	0	100
South West Water	River Yeo Via Sws	FAIR VIEW CAR PARK CSO	0	0	100
South West Water	Bryn Brook	SHIELING ROAD CSO	0	0	94.9
South West Water	Bristol Channel	ILFRACOMBE RESEWERAGE	0	0	100
South West Water	Watercourse	PARSONAGE LANE PSCO/EO	0	0	100
South West Water	River Yeo	STOKE RIVERS STW	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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North Devon Polluted by sewage 3,307 times in 2024 lasting 31,703 hours - That's 3.67 years! Monitoring fell below 50% in some locations so could be more

North Devon