Devizes polluted by sewage 444 times in 2022 - lasting 4,648 hours

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Contains OS Data © Crown copyright & database right 2021-2022
© Top of the Poops 2021-2023
✔ means we have experimental daily data for 2023
Totals for Devizes in 2022
27 Sites polluted by Thames Water, Wessex Water
444 sewage dumps
4,648 h duration
That's 6.46 months. On average 1.2 times a day
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Constituencies near Devizes
Waterways in Devizes
Live River Pollution Information (Updated 8 minutes ago)
On the map above you can see live river pollution information. Rivers likely to be impacted by sewage pollution are marked in brown. This is based on Thames Water live data API, and modelling by Dr Alex Lipp at Merton College, Oxford. More details on the methodology will be added soon.
Daily Data for 2023
     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.

Pollution Summary 2022

Here are all the reported sewage overflow totals for Devizes in 2022. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Wessex Water River Avon SPANIEL'S BRIDGE PUMPING STATION 96 1,784 97.1
Wessex Water Etchilhampton Water HORTON FARM PUMPING STATION 71 1,333 100
Wessex Water Seend Hill Stream SEEND WASTEWATER TREATMENT WORKS 36 530 100
Wessex Water Summerham Brook TOWNSEND PS 28 328 100
Wessex Water Semington Brook MILL ROAD PUMPING STATION 19 119 95.2
Wessex Water Waylen Brook DEVIZES WATER RECYCLING CENTRE 23 103 100
Wessex Water Semington Brook GANGBRIDGE S P STN 13 69 100
Thames Water River Dun EAST GRAFTON STW, EAST GRAFTON, WIL 11 67 100
Wessex Water Semington Brook LAVINGTON (WOODBRIDGE) WWTW 13 67 100
Wessex Water River Avon ALL CANNINGS PS 7 53 100
Wessex Water Summerham Brook TOWERVIEW PUMPING STATION 24 46 100
Wessex Water Semington Brook URCHFONT WASTEWATER TREATMENT WORKS 7 44 100
Wessex Water Semington Brook POTTERNE WRC 18 34 100
Wessex Water River Avon PEWSEY WASTEWATER TREATMENT WORKS 13 20 80.7
Wessex Water River Avon NORTH NEWNTON PUMPING STATION 3 11 99.9
Thames Water Kennet GREAT BEDWYN WWTW 2 10 100
Wessex Water Semington Brook Via Sws RUSSELL MILL LANE CSO 19 6 99.9
Wessex Water Erlestoke Stream ERLESTOKE WATER RECYCLING CENTRE 3 5 99.5
Wessex Water Summerham Brook DUNKIRK HILL PUMPING STATION 11 3 97.5
Wessex Water Easterton Brook MANOR HOUSE COMBINED SEWER OVERFLOW 2 1 99.4
Wessex Water Poulshot Stream VALLEY SEWER CSO 2 1 100
Wessex Water Semington Brook Via Sws CHURCHILL ARMS COMBINED SEWER OF 10 1 100
Thames Water River Kennet RAMSBURY WASTEWATER TREATMENT WORKS 1 0 100
Wessex Water River Avon WILCOT PUMPING STATION 2 0 100
Wessex Water Summerham Brook ROUNDWAY HOSPITAL CSO 2 0 74
Wessex Water River Avon SWAN PUMPING STATION 2 0 100
Wessex Water River Bourne COLLINGBOURNE DUCIS PUMPING STATION 6 0 100
Wessex Water River Avon HIGH STREET PUMPING STATION 0 0 99.9
Wessex Water Unnamed Watercourse SMALL STREET PS 0 0 99.9
Wessex Water Summerham Brook MILL LANE COMBINED SEWER OVERFLOW 0 0 100
Thames Water Shallbourne Stream Shalbourne 0 0 0
Wessex Water Summerham Brook ROWDE WASTEWATER TREATMENT WORKS 0 0 100
Wessex Water River Avon PATNEY WEIR PUMPING STATION 0 0 100
Thames Water Kennet MARLBOROUGH WWTW 0 0 95.7
Wessex Water Worton Stream POTTERNEWICK PUMPING STATION 0 0 82.4
Thames Water River Kennet FYFIELD WASTEWATER TREATMENT WORKS 0 0 4.2
Wessex Water River Avon SALISBURY ROAD PUMPING STATION 0 0 0
Wessex Water Summerham Brook BELL HILL SPS 0 0 99.9
Thames Water Kennet CHILTON FOLIAT WWTW 0 0 100
Thames Water Kennet London Road 0 0 99.5

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales

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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