West Dorset

Polluted by sewage 4,078 times in 2024 lasting 48,911 hours - That's 5.66 years!

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✔ means we have experimental daily data since 2023

Live data for West Dorset in 2025

So far this year (as of May 4, 2025, 5:30 PM) there has been 13,450 hours of sewage overflows - that's 1.56 years!

Totals for West Dorset in 2024

73 Sites polluted by South West Water, Wessex Water

4,078 sewage dumps

48,911 hours duration

That's 5.66 years! On average 11.2 times a day

Change Over Time

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Constituencies near West Dorset

Waterways in West Dorset

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for West Dorset, 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 West Dorset 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 all the declared CSOs appeared to have monitoring enabled for more than 50% of the year

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Wessex Water	River Bride	CHICKSBRIDGE PS	188	3,793	99.9
Wessex Water	Sydling Water	SYDLING ST.NICHOLAS WRC	159	3,521	99.7
Wessex Water	River Yeo	HALSTOCK WATER RECYCLING CENTRE	171	3,119	99.9
Wessex Water	River Piddle	PUMPING STN ADJACENT THE PIDDLE INN	137	3,090	100
Wessex Water	South Winterbourne	MARTINSTOWN PS	223	2,641	99.9
Wessex Water	River Lydden	BUCKLAND NEWTON WRC	160	2,581	100
Wessex Water	River Piddle	PUMPING STATION ADJACENT RIVENDELL	118	2,477	97.7
Wessex Water	Abbotsbury Brook	ABBOTSBURY WWTW	129	2,325	100
Wessex Water	River Frome	MAIDEN NEWTON WATER RECYCLING CENTR	106	1,935	97.8
Wessex Water	River Bride	PUNCKNOWLE WRC	100	1,441	100
Wessex Water	Tadnoll Brook	BROADMAYNE WWTW	86	1,398	100
Wessex Water	River Frome	NORTH STREET PS	88	1,396	100
Wessex Water	River Yeo	POYNTINGTON WATER RECYLCING CENTRE	114	1,375	99.8
Wessex Water	Caundle Brook	BISHOPS CAUNDLE STW	76	1,241	100
Wessex Water	River Frome	DORCHESTER (LOUDS MILL) STW	124	1,185	99.85
South West Water	Drimpton Stream	BROADWINDSOR WWTW	124	958	99.6
Wessex Water	River Frome	EVERSHOT WASTEWATER TREATMENT WORKS	92	916	100
Wessex Water	River Cerne	GODMANSTONE STW	50	899	99.9
Wessex Water	Caundle Brook	HOLWELL STW	63	858	99.9
Wessex Water	River Brit	NETHERBURY PUMPING STATION	79	853	99.6
Wessex Water	River Winniford	CHIDEOCK STW	60	738	100
Wessex Water	Lyme Bay	BRIDPORT SEWAGE TREATMENT WORKS	86	705	100
Wessex Water	River Brit	SOUTHGATE PUMPING STATION	69	688	99.6
Wessex Water	River Yeo	SHERBORNE WWTW	88	648	99.75
Wessex Water	Wriggle River	BEER HACKETT PUMPING STATION	51	587	88.2
Wessex Water	River Hooke	TOLLER PORCORUM WRC	67	574	96.6
Wessex Water	River Yeo	SANDFORD ORCAS WRC	41	546	100
Wessex Water	Bridport Harbour	WEST BAY SLUICES	48	541	100
Wessex Water	River Brit	SOUTH STREET CSO	76	533	86.5
Wessex Water	Sea Lagoon Chessel Beach	WEST BEXINGTON PUMPING STATION	64	526	100
Wessex Water	Lyme Bay	CHARMOUTH SEWAGE DISPOSAL WORKS	107	470	100
South West Water	Temple Brook	DRIMPTON PUMPING STATION	40	415	99.9
Wessex Water	Sydling Water	SYDLING ST NICHOLAS PUMPING STATION	31	365	100
Wessex Water	Dorchester Mill Stream	16 HIGH STREET CSO	43	359	99.9
Wessex Water	Unknown	CSO AT SCOUT HUT	25	321	100
South West Water	River Lim	HORN BRIDGE PSEO/CSO	36	305	100
Wessex Water	River Frome	EVERSHOT COMBINED SEWER OVERFLOW	81	272	99.6
South West Water	River Axe	MOSTERTON PUMPING STATION	73	263	99.3
Wessex Water	River Asker	SOUTH BRIDGE COMB. STORM OVERFLOW	49	247	100
Wessex Water	River Parrett	SOUTH PERROTT WWTW	39	241	99.8
Wessex Water	River Asker	LEE LANE PUMPING STATION	38	218	100
Wessex Water	Wriggle River	FRAMPTON FARM PUMPING STATION	46	170	100
Wessex Water	River Brit	BRIDPORT WEST STREET CSO	56	158	99.6
Wessex Water	West Fleet	LANGTON HERRING WRC	34	98	100
Wessex Water	Mill Stream Via Sws	35 KINGS ROAD	45	98	100
Wessex Water	River Bride	SHIPTON GORGE PUMPING STATION	15	81	88.9
Wessex Water	Winniford	SEATOWN PUMPING STATION	18	76	100
Wessex Water	Lyme Bay	BRIDPORT WATER RECYCLING CENTRE PS	17	75	99.9
South West Water	River Lim	GUN CLIFF PSEO/CSO	12	75	100
Wessex Water	Mangerton River	WEST MILTON WATER RECYCLING CENTRE	23	70	90.8
Wessex Water	River Wriggle	LEIGH BRIDGE FARM PUMPING STATION	10	70	100
Wessex Water	Halstock Stream	CORSCOMBE WASTEWATER TREATMENT WORK	14	50	99.9
Wessex Water	River Bride	BURTON BRADSTOCK	12	41	99.7
Wessex Water	River Yeo Via Sws	LUDBORNE ROAD CSO	10	36	99.7
South West Water	River Synderford	THORNCOMBE WWTW	12	34	98.9
Wessex Water	Tadnoll Brook	KNIGHTON LANE CSO	18	24	99.9
Wessex Water	Unknown	CSO AT PRINCES BRIDGE	7	23	100
Wessex Water	Mill Stream	CHURCH STREET PUMPING STATION	19	19	100
Wessex Water	River Bride	BURTON SOUTHOVER PS	3	18	100
Wessex Water	River Brit	WEST BRIDGE CSO	13	18	99.6
Wessex Water	Corton Denham Stream	SANDFORD ORCAS PUMPING STATION	3	16	100
Wessex Water	River Yeo	MILL LANE PUMPING STATION	2	15	100
South West Water	River Lim	JERICHO CSO	12	11	100
Wessex Water	River Yeo	ABBEY ROAD COMBINED SEWER OVERFLOW	11	10	95.1
Wessex Water	River Brit	HAMS PATH COMBINED SEWER OVERFLOW	8	10	99.7
Wessex Water	River Yeo Via Sws	63 CHEAP STREET CSO	22	6	99.7
Wessex Water	Caundle Brook	GLANVILLES WOOTTON WATER RECYCLING	2	3	99.8
Wessex Water	River Yeo Via Sws	NEWLAND COMBINED SEWER OVERFLOW	9	2	99.4
Wessex Water	River Yeo Via Sws	CHEAP STREET NORTH CSO	13	2	99.8
South West Water	River Lim	GOSLINGS BRIDGE CSO	6	1	81.5
Wessex Water	River Asker	EAST BRIDGE COMBINED SEWER OVERFLOW	4	0	99.6
Wessex Water	Unknown	CSO AT 97 HIGH STREET	2	0	100
Wessex Water	Mill Stream Via Sws	VICTORIA ROAD CSO	1	0	99.7
Wessex Water	River Brit	WEST BAY ROAD CSO	0	0	99.7
Wessex Water	River Yeo Via Sws	LONG STREET CSO	0	0	99.4
Wessex Water	River Yeo Via Sws	WESTBURY COMBINED SEWER OVERFLOW	0	0	99.7
Wessex Water	River Frome Via Sws	CSO AT TOP OF SOUTH WALKS	0	0	99.3
Wessex Water	River Asker Via Sws	FISHWEIR FIELDS PS	0	0	95.1
Wessex Water	River Simene	WEST ROAD FOUNDRY PUMPING STATION	0	0	99.8
Wessex Water	River Char	THE STREET CSO, CHARMOUTH	0	0	98.8
Wessex Water	River Yeo Via Sws	THORN BANK CSO	0	0	99.3
Wessex Water	South Winterbourne	DORCHESTER ROAD PS	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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West Dorset Polluted by sewage 4,078 times in 2024 lasting 48,911 hours - That's 5.66 years!

West Dorset