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Tewkesbury

Polluted by sewage 504 times in 2025 lasting 4,691 hours

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

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Live data for Tewkesbury in 2026

So far this year (as of 25 Oct 2026, 10:01) there has been 6,485 hours of sewage overflows, from 44 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Tewkesbury in 2025

19 Sites polluted by Severn Trent Water
504 sewage dumps
4,691 hours duration
That's 6.52 months. On average 1.4 times a day

Change Over Time

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Sewage pollution map of Tewkesbury: 504 spills in 2025, lasting 4,691 hours, by Severn Trent Water
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Pollution Summary 2025

Here are all the reported sewage overflow totals for Tewkesbury 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 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 Mill Avon TEWKESBURY STW 36 668 96.3
Severn Trent Water Laverton Brook LAVERTON STW 59 575 98.7
Severn Trent Water Mill Avon LOWER LODE LANE PUMPING STATION 61 550 100
Severn Trent Water River Avon TWYNING SEWAGE TREATMENT WORKS 49 533 100
Severn Trent Water River Chelt CHELTENHAM HAYDEN WWTW 37 437 100
Severn Trent Water Hyde Brook BROCKHAMPTON STW 25 390 100
Severn Trent Water Tirle Brook TEDDINGTON SEWAGE PUMPING STATION 53 341 100
Severn Trent Water Washbourne Brook GREAT WASHBOURNE STW 33 305 96.7
Severn Trent Water Hyde Brook STOKE ORCHARD SEWAGE TREATMENT WRKS 19 230 99.9
Severn Trent Water Horsbere Brook BIG NORMANS PUMPING STATION 16 154 100
Severn Trent Water River Isbourne WINCHCOMBE SEWAGE TREATMENT WORKS 29 141 87.9
Severn Trent Water Tirle Brook WOOLSTONE SEWAGE TREATMENT WORKS 28 129 97.7
Severn Trent Water River Isbourne TODDINGTON SEWAGE TREATMENT WORKS 18 113 99.9
Severn Trent Water Mill Stream PRESTBURY LINDEN CLOSE CSO 25 42 100
Severn Trent Water Badsey Brook SNOWSHILL SEWAGE PUMPING STATION 4 40 98.9
Severn Trent Water Dean Brook DEAN FARM STORM OVERFLOW 5 31 100
Severn Trent Water River Isbourne WORMINGTON SEWAGE TREATMENT WORKS 4 3 98.7
Severn Trent Water River Isbourne VINEYARD STREET CSO 1 0 100
Severn Trent Water Mill Avon TOLSEY LANE CSO 2 0 100
Severn Trent Water River Isbourne BROADWAY ROAD CSO 0 0 89.2
Severn Trent Water Mill Avon RED LANE CSO 0 0 99.8

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.

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Analysing sewage pollution by the Water Industry

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