Winchester polluted by sewage 10 times in 2022 - lasting 10 hours

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Contains OS Data © Crown copyright & database right 2021-2022
© Top of the Poops 2021-2023
✔ means we have experimental daily data for 2023
Totals for Winchester in 2022
4 Sites polluted by Southern Water
10 sewage dumps
10 h duration
That's 0.42 days. 0.8 times a month, over the year

Pollution Summary 2022

Here are all the reported sewage overflow totals for Winchester in 2022. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water Freshwater River GARNIER ROAD 1 5 100
Southern Water Groundwaters Via 2 Infilt Syst MORESTEAD WWTW 5 4 100
Southern Water Monks Brook VALLEY ROAD CHANDLERS FORD CSO 3 0 100
Southern Water Monks Brook PARK ROAD CHANDLERS FORD CSO 1 0 100
Southern Water River Itchen HARESTOCK WASTEWATER TREATMENT WORK 0 0 99.5
Southern Water River Itchen SPRING GARDENS PS 0 0 100
Southern Water Monks Brook Via Drain TEMPLARS WAY CHANDLERS FORD CEO 0 0 96

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales

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.

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