Top of the Poops | Constituency Sewage Map | Bristol South

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Live data for Bristol South in 2026

So far this year (as of 18 May 2026, 12:00) there has been 62 hours of sewage overflows, from 30 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Bristol South in 2025

13 Sites polluted by Wessex Water

153 sewage dumps

274 hours duration

That's 1.63 weeks. 2.9 times a week, on average

Change Over Time

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Constituencies near Bristol South

Waterways in Bristol South

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Bristol South in 2025. 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 1 of the total 17 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Wessex Water	Malago	HEADLEY ROAD/AVON ROAD	20	52	100
Wessex Water	River Avon	ASHTON AVENUE PUMPING STATION	23	46	100
Wessex Water	Brislington Brook, Via Sws	UNIT 601/601A CENTRAL PARK CSO	29	43	100
Wessex Water	River Avon Via Sws	PEMBROKE ROAD CSO	15	43	100
Wessex Water	Malago	MANOR WOOD CSO	16	33	100
Wessex Water	Malago	QUEENS HEAD COMBINED SEWER OVERFLOW	5	23	98
Wessex Water	River Avon Via Sws	MYRTLE STREET CSO	25	20	96.6
Wessex Water	Malago	DERHAM ROAD CSO	1	4	100
Wessex Water	Pigeonhouse Stream Via Sws	FORTFIELD RD CSO	5	3	100
Wessex Water	River Avon Via Sws	BEDMINSTER ROAD CSO	8	1	100
Wessex Water	Malago	ST JOHNS LANE CSO	2	0	97
Wessex Water	Malago	TUGELA ROAD CSO	2	0	100
Wessex Water	Malago	BEDMINSTER ROAD CYCLE TRACK CSO	2	0	100
Wessex Water	Sheene Road Culvert	EAST STREET CSO	0	0	39
Wessex Water	. Colliters Brook Via Sws	OLD MEAD WALK CSO	0	0	67.4
Wessex Water	Malago Via Sws	PARSON STREET CSO	0	0	99.8
Wessex Water	Malago	VALE LANE COMBINED SEWER OVERFLOW	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. 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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© 2020-2025 Top-Of-The-Poops CC-BY-SA 4.0,
© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

Some data reproduced under Open Government Licence

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