Exeter

Polluted by sewage 658 times in 2025 lasting 1,401 hours

Monitoring was disabled in some locations, so could be more

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Totals for Exeter in 2025

45 Sites polluted by South West Water

658 sewage dumps

1,401 hours duration

Sewage pollution map of Exeter: 1,401 hours in 2025

That's 1.95 months. On average 1.8 times a day

Change Over Time

Constituency for Exeter

Nearby Constituencies

Waterways in Exeter

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Exeter in 2025. 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 place 1 of the total 61 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year. Of these 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
South West Water	River Exe Estuary	EXETER (COUNTESS WEAR) STW	67	330	99.75
South West Water	Higher Leat Via Sw Sewer	LOWER NORTH STREET CSO	57	178	100
South West Water	Mill Race, River Exe	MILL RACE COMBINED SEWER OVERFLOW	37	123	100
South West Water	River Exe Via Sws	DUNSFORD ROAD CSO	47	111	100
South West Water	Higher Least Via Sw Sewer	PENNSYLVANIA ROAD CSO	39	107	100
South West Water	Higher Leat Via Sws	HOWELL ROAD CSO	7	62	100
South West Water	Northbrook	NORTHBROOK GOLF COURSE LOWER CSO	19	51	100
South West Water	River Exe Via Sws	HOLLOWAY STREET CSO	28	47	99.9
South West Water	Northbrook	NORTHBROOK PARK GOLF CRSE UPPER CSO	24	41	100
South West Water	Fordland Brook	THE COLLEGE IDE CSO	29	40	98.4
South West Water	River Exe Via Sws	TEMPLE ROAD CSO	29	39	100
South West Water	Nadder Brook	BROOK COTTAGE PUMPING STATION	15	34	99.9
South West Water	Alphin Brook	CHURCH ROAD CSO	24	30	100
South West Water	Mincinglake Stream	121A ST. KATHERINES ROAD CSO	11	30	100
South West Water	River Exe	BONHAY PARK CSO	8	27	100
South West Water	River Exe Via Sws	23 KING EDWARD STREET CSO	6	22	98.4
South West Water	Pin Brook	LANGATON LANE CSO	25	20	100
South West Water	River Exe Via Sws	COLLETON GROVE CSO	16	16	100
South West Water	River Exe Via Sws	OKEHAMPTON ROAD CSO	11	12	100
South West Water	Northbrook	SWEETBRIER LANE CSO	16	12	100
South West Water	River Exe Via Sws	MAGDALEN ROAD CSO	13	10	99.5
South West Water	River Exe Via Sws	LARKBEARE HOUSE CSO	13	9	100
South West Water	Berry Brook	MILBURY LANE PUMPING STATION	11	7	100
South West Water	River Exe Via Sws	CHURCH ROAD JCT OF CECIL ROAD CSO	9	5	100
South West Water	River Exe Via Sws	19 HEAVITREE ROAD CSO	8	4	94.5
South West Water	River Exe Via Sws	BUDDLE LANE CSO	20	4	93.1
South West Water	Taddiforde Brook	R/O IMPERIAL HOTEL CSO	9	4	99.2
South West Water	North Brook Via Sws	FIRST AVENUE SERVICE LANE CSO	11	2	100
South West Water	River Exe Via Sws	CHUTE STREET CSO	4	2	100
South West Water	R Exe	TURLAKE SPS	2	2	100
South West Water	Higher Leat Via Sw Sewer	WELL STREET CSO	10	1	100
South West Water	River Exe	MILL ROAD PUMPING STATION	5	1	100
South West Water	River Exe Via Sws	EXETER BOWLING CLUB CSO	4	0	100
South West Water	Higher Leat Via Sw Sewer	QUAY HILL CSO	3	0	100
South West Water	North Brook Via Sws	NORTH LAWN COURT CSO	5	0	97
South West Water	North Brook Via Sws	HEAVITREE PLEASURE GROUND CSO	4	0	100
South West Water	Northbrook Via Sws	BURNTHOUSE LANE CSO	2	0	100
South West Water	Northbrook Via Sws	PARKLAND DRIVE PUMPING STATION	1	0	100
South West Water	Northbrook Via Sws	21 WONFORD STREET CSO	2	0	100
South West Water	River Exe Via Sws	14 CLIFTON ROAD CSO	1	0	100
South West Water	Higher Leat Via Sws	CENTRAL STATION YARD CSO	1	0	97.3
South West Water	North Brook	15 HAMLIN LANE CSO	1	0	98.3
South West Water	North Brook Via Sws	LOWER AVENUE CSO	1	0	100
South West Water	Higher Leat	QUAY HILL COMBINED SEWER OVERFLOW	2	0	100
South West Water	Higher Leat Via Sws	THORNTON HILL CSO	1	0	100
South West Water	North Brook Via Sws	2 DRYDEN ROAD CSO	0	0	76.7
South West Water	River Exe Via Sws	28 CLIFTON ROAD CSO	0	0	100
South West Water	River Exe Via Sws	34 CLIFTON ROAD CSO	0	0	100
South West Water	Duryard Stream	ARGYLL ROAD PUMPING STATION	0	0	100
South West Water	River Exe Via Sws	BULLER ROAD COMBINED SEWER OVERFLOW	0	0	98.8
South West Water	River Exe Via Sws	CLIFTON ROAD/JCT ALBERT ROAD CSO	0	0	100
South West Water	River Exe Via Sw Sewer	DIX'S FIELD CSO	0	0	99.8
South West Water	Higher Leat	EXE STREET CSO	0	0	97
South West Water	Higher Leat Via Sw Sewer	EXETER COLLEGE CSO	0	0	100
South West Water	River Exe Via Sws	PARIS STREET CSO	0	0	100
South West Water	Higher Leat Via Sw Sewer	ST SIDWELLS SCHOOL CSO	0	0	100
South West Water	Mincinglake Stream Via Sws	STOKE MEADOW CLOSE PUMPING STATION	0	0	100
South West Water	Alphin Brook	TAN LANE PUMPING STATION	0	0	100
South West Water	River Exe Via Sws	TOPSHAM ROAD JCT ROBERS ROAD CSO	0	0	0
South West Water	Pin Brook	MONKERTON PUMPING STATION	0	0	100
South West Water	River Exe	NEWPORT PARK PUMPING STATION	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. Live sewage data from Stream Water API

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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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