Unknown polluted by sewage 971 times in 2023 - lasting 8,780 hours

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Contains OS Data © Crown copyright & database right 2021-2023
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Totals for Unknown in 2023
24 Sites polluted by Wessex Water
971 sewage dumps
8,780 h duration
That's 1.02 years! On average 2.7 times a day
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Constituencies along Unknown

Pollution Summary 2023

Here are all the reported sewage overflow totals for Unknown in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Wessex Water Unknown MAPPOWDER 127 2,668 100
Wessex Water Unknown PORTBURY WHARF STW 180 1,993 100
Wessex Water Unknown STALBRIDGE PUMPING STATION 66 519 100
Wessex Water Unknown CSO AT SCOUT HUT 39 516 100
Wessex Water Unknown MINEHEAD SEWAGE TREATMENT WORKS 63 459 99.9
Wessex Water Unknown WEYMOUTH SEWAGE TREATMENT WORKS 90 424 95.4
Wessex Water Unknown NEW COG MILL CSO 39 378 100
Wessex Water Unknown EBBLAKE PUMPING STATION 22 290 100
Wessex Water Unknown THE GREEN PUMPING STATION 25 274 100
Wessex Water Unknown KINGSTON SEYMOUR WRC 49 235 100
Wessex Water Unknown MOSSES MILL CSO 2 50 222 99.9
Wessex Water Unknown TUNNEL PUMPING STATION 38 209 100
Wessex Water Unknown SEMINGTON ROAD PUMPING STATION 18 160 100
Wessex Water Unknown CSO AT PRINCES BRIDGE 10 101 100
Wessex Water Unknown BRISTOL ROAD CSO 63 93 99.5
Wessex Water Unknown MIDDLE BROOKS ROAD PUMPING STATION 9 81 99.9
Wessex Water Unknown CURTIS ORCHARD PUMPING STATION 11 79 100
Wessex Water Unknown SLOWAY LANE PUMPING STATION 7 36 100
Wessex Water Unknown 7 MILL STREET CSO 54 27 76.6
Wessex Water Unknown HARKWOOD FARM P STN (POOLE) 2 4 97.6
Wessex Water Unknown PATFORD ST/BANK OF RIVER MARDEN CSO 2 1 99.8
Wessex Water Unknown CSO AT 97 HIGH STREET 3 1 100
Wessex Water Unknown ALDRIDGE ROAD PUMPING STATION 3 0 91.8
Wessex Water Unknown BRIDGWATER ROAD CSO 1 0 89.6
Wessex Water Unknown CLARE STREET CSO 0 0 99.6
Wessex Water Unknown SILVER STREET 0 0 96.5
Wessex Water Unknown BIRCHALL ROAD 0 0 100
Wessex Water Unknown BIFIELD ROAD CSO 0 0 100
Wessex Water Unknown 8 HULSE ROAD CSO 0 0 100
Wessex Water Unknown MOSSES MILL CSO 1 0 0 99.7
Wessex Water Unknown DALLAS ROAD CSO 0 0 99.4
Wessex Water Unknown SEMINGTON ROUNDABOUT 0 0 100
Wessex Water Unknown ACACIA AVENUE PUMPING STATION 0 0 79.5

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.

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