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Gosport

Polluted by sewage 103 times in 2025 lasting 453 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 Gosport in 2026

So far this year (as of 18 May 2026, 12:00) there has been 1,225 hours of sewage overflows, from 34 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Gosport in 2025

16 Sites polluted by Southern Water
103 sewage dumps
453 hours duration
That's 2.7 weeks. 2 times a week, on average

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Gosport 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 %
Southern Water Solent PEEL COMMON WWTW 37 282 99.8
Southern Water Fareham Lake WYCH LANE/FAREHAM RD O/FLOW 26 46 99.7
Southern Water Portsmouth Harbour GROVE ROAD GOSPORT CEO 8 33 99.7
Southern Water Saline Estuary GREEN CRESCENT O/FLOW 2 19 85.9
Southern Water To River Alver NEWGATE LANE WPS CEO 3 16 100
Southern Water Frater Lake, Portsmouth Hbr BREWERS LANE GOSPORT CSO 2 13 99.7
Southern Water Frater Lake FAREHAM ROAD GOSPORT O/S 68 CSO 3 11 99.7
Southern Water Workhouse Lake, Portsmouth Hbr FOSTER ROAD GOSPORT WPS CEO 6 10 99.9
Southern Water Workhouse Lake BURY ROAD GOSPORT CEO 4 6 100
Southern Water Solent QUEENS ROAD LEE-ON-THE-SOLENT CEO 3 3 99.5
Southern Water Solent SALTERNS ROAD STUBBINGTON CSO 1 2 99.7
Southern Water Portsmouth Harbour CAMBRIDGE ROAD/BROCKHURST ROAD PS 3 1 100
Southern Water Stoke Lake VILLAGE ROAD ALVERSTOKE CEO 2 1 100
Southern Water Workhouse Lake ALVER ROAD GOSPORT CEO 1 0 99.9
Southern Water Solent LAKESIDE LEE-ON-SOLENT CEO 1 0 98.5
Southern Water Portsmouth Harbour HARBOUR ROAD GOSPORT CEO 1 0 99.7
Southern Water Portsmouth Harbour HARDWAY CEO, PRIORY ROAD, GOSPORT 0 0 100
Southern Water Portsmouth Harbour LEES LANE GOSPORT CEO 0 0 100
Southern Water Portsmouth Harbour MIDDLECROFT LANE GOSPORT CSO 0 0 99.7
Southern Water Portsmouth Harbour MUMBY ROAD GOSPORT WPS/CEO 0 0 99.5
Southern Water Portsmouth Harbour ST MATTHEWS SQUARE GOSPORT CEO 0 0 99.7
Southern Water Portsmouth Harbour THE ANCHORAGE GOSPORT CEO 0 0 99.9

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.