Gloucester

Polluted by sewage 110 times in 2025 lasting 657 hours

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Totals for Gloucester in 2025

7 Sites polluted by Severn Trent Water

110 sewage dumps

657 hours duration

Sewage pollution map of Gloucester — Sewage pollution map of Gloucester: 657 hours in 2025

That's 3.91 weeks. 2.1 times a week, on average

Change Over Time

Constituency for Gloucester

Nearby Constituencies

Waterways in Gloucester

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Gloucester 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 place all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Severn Trent Water	River Severn	GLOUCESTER NETHERIDGE STW	65	422	99.95
Severn Trent Water	Horsbere Brook	BIG NORMANS PUMPING STATION	16	154	100
Severn Trent Water	Whaddon Brook	GRANGE ROAD CSO	10	51	96.3
Severn Trent Water	Sud Brook	BIRCHALL AVENUE CSO	10	19	100
Severn Trent Water	Sud Brook	PAINSWICK ROAD BAL TANK - STORM O/F	3	7	100
Severn Trent Water	Whaddon Brook	STROUD ROAD CSO	5	0	99
Severn Trent Water	River Severn	COLE AVENUE CSO	1	0	100
Severn Trent Water	River Severn - East Channel	QUAY STREET CSO	0	0	90.1

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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.

Top of the Poops

Analysing sewage pollution by the Water Industry

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