Thornbury and Yate

Polluted by sewage 2,062 times in 2024 lasting 28,358 hours - That's 3.28 years!

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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✔ means we have experimental daily data since 2023

Live data for Thornbury and Yate in 2025

So far this year (as of Apr 30, 2025, 9:15 AM) there has been 7,090 hours of sewage overflows - that's 0.82 years!

Totals for Thornbury and Yate in 2024

29 Sites polluted by Wessex Water
2,062 sewage dumps
28,358 hours duration
That's 3.28 years! On average 5.6 times a day

Change Over Time

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Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Thornbury and Yate, 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
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Pollution Summary 2024

Here are all the reported sewage overflow totals for Thornbury and Yate 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 Luckington Brook GREAT BADMINTON WWTW 189 4,012 100
Wessex Water River Boyd DOYNTON WASTEWATER TREATMENT WORKS 126 2,483 100
Wessex Water Tockington Mill Rhine ALVESTON WASTEWATER TREATMENT WORKS 143 2,227 99.8
Wessex Water Tockington Mill Rhine TOCKINGTON STW 105 2,155 100
Wessex Water Ladden Brook RANGEWORTHY PS 91 1,767 100
Wessex Water River Frome CHURCH ROAD CSO 123 1,691 99.8
Wessex Water Severn Estuary THORNBURY SEWAGE TREATMENT WORKS 70 1,384 99.7
Wessex Water River Frome SUNNY ACRES FOOT BRIDGE CSO 116 1,346 98.8
Wessex Water Sandy Rhine Chestle Pill ALMONDSBURY WWTW 86 1,275 100
Wessex Water Feltham Brook PUCKLECHURCH WWTW 96 1,118 100
Wessex Water Dyer'S Brake JUBILEE LANE PS 127 1,098 100
Wessex Water River Frome NIGHTINGALES BRIDGE CSO 107 1,057 99.5
Wessex Water Olveston Common Rhyne OLVESTON PS 57 899 99.3
Wessex Water Foss Ditch AUST VILLAGE PUMPING STATION 50 865 100
Wessex Water Unknown NEW COG MILL CSO 91 805 100
Wessex Water River Boyd WICK WASTEWATER TREATMENT WORKS 56 689 99.9
Wessex Water Tockington Mill Rhyne LOWER TOCKINGTON ROAD CSO 55 657 100
Wessex Water Chestle Pill River REDWICK SEWAGE TREATMENT WORKS 40 538 100
Wessex Water Tockington Mill Rhine MILL LODGE CSO 35 449 99.7
Wessex Water Feltham Brook FELTHAM ROAD CSO 49 406 100
Wessex Water River Frome RECTORY ROAD CSO 46 346 97.5
Wessex Water River Boyd THE GREEN CSO 48 289 100
Wessex Water River Frome CLYDE ROAD CSO 65 226 94.8
Wessex Water Little Avon CHARFIELD WATER RECYCLING CENTRE 24 213 100
Wessex Water River Boyd SAINSBURY MILL CSO 27 164 100
Wessex Water Doncombe Brook MARSHFIELD WWTW 25 124 100
Wessex Water River Frome NORTH ROAD PS 5 43 99.4
Wessex Water Olveston Common Rhyne GREEN FARM CSO 4 11 99.8
Wessex Water River Frome BRIDGE WAY CSO 6 8 99.8
Wessex Water Swanmoor Rhine SWANMOOR BRIDGE PUMPING STATION 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.