Bristol South was polluted by sewage 255 times in 2024
lasting 679 hours

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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 Bristol South in 2025
So far this year (as of Apr 16, 2025, 6:00 PM) there has been 40 hours of sewage overflows
Totals for Bristol South in 2024
12 Sites polluted by Wessex Water
255 sewage dumps
679 h duration
That's 28.29 days. 4.9 times a week, on average
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 Bristol South, 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.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Bristol South 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 0 of the total 17 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Wessex Water River Avon ASHTON AVENUE PUMPING STATION 45 166 100
Wessex Water Malago HEADLEY ROAD/AVON ROAD 33 120 100
Wessex Water River Avon Via Sws PEMBROKE ROAD CSO 29 118 99.4
Wessex Water Brislington Brook, Via Sws UNIT 601/601A CENTRAL PARK CSO 41 109 99.3
Wessex Water Malago MANOR WOOD CSO 27 75 94.7
Wessex Water Malago QUEENS HEAD COMBINED SEWER OVERFLOW 11 37 99.8
Wessex Water River Avon Via Sws MYRTLE STREET CSO 38 35 99.2
Wessex Water Malago DERHAM ROAD CSO 3 9 99.3
Wessex Water River Avon Via Sws BEDMINSTER ROAD CSO 16 2 99.1
Wessex Water . Colliters Brook Via Sws OLD MEAD WALK CSO 5 2 99.3
Wessex Water Malago ST JOHNS LANE CSO 4 0 99.3
Wessex Water Malago TUGELA ROAD CSO 3 0 99.4
Wessex Water Malago VALE LANE COMBINED SEWER OVERFLOW 0 0 99.2
Wessex Water Sheene Road Culvert EAST STREET CSO 0 0 99.2
Wessex Water Malago Via Sws PARSON STREET CSO 0 0 99.3
Wessex Water Malago BEDMINSTER ROAD CYCLE TRACK CSO 0 0 93.1
Wessex Water Pigeonhouse Stream Via Sws FORTFIELD RD CSO 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.