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Totals for Exe Estuary in 2025

71 Sites polluted by South West Water

1,653 sewage dumps

10,641 hours duration

That's 1.23 years. On average 4.5 times a day

How does Exe Estuary compare?

Exe Estuary was the #3 most polluted shellfish area in England & Wales, by duration of sewage overflows, as reported by the water companies

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Exe Estuary in 2025.

Accuracy Warning

We use data from the water companies, but we are seeing many anomalies that make us believe that location information is quite poor. The situation is likely far worse than reported here.

In particular: Totals on this page can differ from totals in the Ranked Shellfish page - number on this page are higher - this is due to a lack of standardization on shellfish area names. This page more accurately counts the differing names. For example "Solway" and "SOLWAY" are counted as different in the rankings, but correctly aggregated here.

Other CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s may also be located nearby, however the water companies claim that these do not affect the water quality here.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
South West Water	Woodbury Brook	EXTON SOUTH PUMPING STATION	108	1,741	100
South West Water	River Clyst	EBFORD PUMPING STATION	98	1,440	100
South West Water	Woodbury Brook	WOODBURY WWTW	81	1,002	100
South West Water	River Clyst	EXTON NORTH PS	83	995	100
South West Water	Lyme Bay	EXMOUTH SEWAGE TREATMENT WORKS	55	788	87.5
South West Water	English Channel	MAER PUMPING STATION & TANK CSO	51	611	100
South West Water	Exe Estuary	HARTOPP ROAD CSO	61	489	100
South West Water	Tidal River Exe	BONHAY ROAD CSO	32	443	100
South West Water	Exe Estuary	PHEAR PARK PSEO/CSO	35	325	100
South West Water	River Clyst	CLYST HONITON PUMPING STATION	23	269	100
South West Water	Cofton Stream	COFTON PSCSO/EO	28	244	100
South West Water	River Exe Estuary	EXETER (COUNTESS WEAR) STW	42	234	100
South West Water	Grindle Brook Via Sws	OLD WOODBURY SALTERTON STW CSO	27	191	97.4
South West Water	Higher Leat Via Sw Sewer	LOWER NORTH STREET CSO	57	178	100
South West Water	Shutterton Brook	DAWLISH WARREN ROAD PS	39	171	100
South West Water	Exe Estuary	IMPERIAL ROAD TANK CSO	21	161	100
South West Water	Mill Race, River Exe	MILL RACE COMBINED SEWER OVERFLOW	37	123	100
South West Water	Woodbury Brook	HAM LANE CSO	52	113	98
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	River Exe Estuary	EXETER (COUNTESS WEAR) STW	25	95	99.5
South West Water	Higher Leat Via Sws	HOWELL ROAD CSO	7	62	100
South West Water	River Kenn	SLITTERCOMBE LANE PSCSO/EO	16	53	100
South West Water	Northbrook	NORTHBROOK GOLF COURSE LOWER CSO	19	51	100
South West Water	River Exe Estuary	LYMPSTONE OUTFALL PUMPING STATION	36	48	100
South West Water	River Exe Via Sws	HOLLOWAY STREET CSO	28	47	99.9
South West Water	Exe Estuary	ASH GROVE CSO	30	41	100
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	FOLLET ROAD CSO	30	24	100
South West Water	Shutterton Brook	SHUTTERTON BRIDGE PS	23	23	100
South West Water	River Exe Via Sws	23 KING EDWARD STREET CSO	6	22	98.4
South West Water	Cranny Brook	CHURCH ROAD CSO	5	21	100
South West Water	Pin Brook	LANGATON LANE CSO	25	20	100
South West Water	Withycombe Brook	EXETER ROAD CSO - EXMOUTH	29	19	100
South West Water	River Exe Via Sws	COLLETON GROVE CSO	16	16	100
South West Water	River Clyst Valley Via Sws	BROADCLYST (SIDE) PUMPING STATION	17	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	Higher Leat Via Sw Sewer	WELL STREET CSO	10	1	100
South West Water	Berry Brook	MAIN ROAD 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	Cofton Stream	CHURCH ROAD CSO	5	0	100
South West Water	Northbrook Via Sws	BURNTHOUSE LANE CSO	2	0	100
South West Water	Shutterton Brook	SHUTTERTON BRIDGE PS	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

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

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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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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