Top of the Poops | Waterway | Unknown | Polluted by Wessex Water

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Totals for Unknown in 2025

22 Sites polluted by Wessex Water

552 sewage dumps
3,993 h duration

That's 5.55 months. On average 1.5 times a day

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Constituencies along Unknown

Places along Unknown

Pollution Summary 2025

Here are all the reported sewage overflow totals for Unknown in 2025. Sometimes sewage can be being dumped for months at a time.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Wessex Water	Unknown	MAPPOWDER	62	1,002	97.7
Wessex Water	Unknown	PORTBURY WHARF STW	83	721	100
Wessex Water	Unknown	STALBRIDGE PUMPING STATION	40	399	100
Wessex Water	Unknown	MINEHEAD SEWAGE TREATMENT WORKS	32	321	100
Wessex Water	Unknown	NEW COG MILL CSO	44	305	100
Wessex Water	Unknown	WEYMOUTH SEWAGE TREATMENT WORKS	65	302	100
Wessex Water	Unknown	THE GREEN PUMPING STATION	14	169	100
Wessex Water	Unknown	MOSSES MILL CSO 2	44	146	100
Wessex Water	Unknown	TUNNEL PUMPING STATION	19	133	100
Wessex Water	Unknown	CSO AT SCOUT HUT	9	127	99.5
Wessex Water	Unknown	BRISTOL ROAD CSO	53	79	100
Wessex Water	Unknown	CURTIS ORCHARD PUMPING STATION	7	77	100
Wessex Water	Unknown	SEMINGTON ROAD PUMPING STATION	6	49	100
Wessex Water	Unknown	EBBLAKE PUMPING STATION	6	39	99.5
Wessex Water	Unknown	SLOWAY LANE PUMPING STATION	10	34	100
Wessex Water	Unknown	7 MILL STREET CSO	44	29	95.8
Wessex Water	Unknown	CSO AT PRINCES BRIDGE	3	24	100
Wessex Water	Unknown	SEMINGTON ROUNDABOUT	2	12	100
Wessex Water	Unknown	MIDDLE BROOKS ROAD PUMPING STATION	3	8	98.3
Wessex Water	Unknown	BIFIELD ROAD CSO	4	5	97.7
Wessex Water	Unknown	PATFORD ST/BANK OF RIVER MARDEN CSO	1	0	100
Wessex Water	Unknown	CSO AT 97 HIGH STREET	1	0	100
Wessex Water	Unknown	BIRCHALL ROAD	0	0	100
Wessex Water	Unknown	CLARE STREET CSO	0	0	98.3
Wessex Water	Unknown	SILVER STREET	0	0	94.8
Wessex Water	Unknown	8 HULSE ROAD CSO	0	0	100
Wessex Water	Unknown	DALLAS ROAD CSO	0	0	100
Wessex Water	Unknown	MOSSES MILL CSO 1	0	0	100
Wessex Water	Unknown	ALDRIDGE ROAD PUMPING STATION	0	0	100
Wessex Water	Unknown	ACACIA AVENUE PUMPING STATION	0	0	100
Wessex Water	Unknown	BRIDGWATER ROAD CSO	0	0	95.3

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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