North Somerset was polluted by sewage 806 times in 2023
lasting 7,737 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for North Somerset in 2023
14 Sites polluted by Wessex Water
806 sewage dumps
7,737 h duration
That's 10.75 months. On average 2.2 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for North Somerset in 2023. 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 0 of the total 19 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Wessex Water Congresbury Yeo And Butcombe BUTCOMBE WATER RECYCLING CENTRE 167 3,188 100
Wessex Water Unknown PORTBURY WHARF STW 180 1,993 100
Wessex Water Congresbury Yeo WRINGTON COMBINED SEWER OVERFLOW 94 1,563 91.7
Wessex Water Unknown KINGSTON SEYMOUR WRC 49 235 100
Wessex Water Severn Estuary BLACK NORE (NAUTICAL SCHOOL) PS 51 156 99.9
Wessex Water River Avon AVON ROAD PUMPING STATION 54 144 99.6
Wessex Water River Severn 35 HILLSIDE ROAD CSO 60 102 98.8
Wessex Water Estuary LAKE ROAD PUMPING STATION 10 89 99.8
Wessex Water Portbury Ditch, PORTISHEAD TOWN PUMPING STATION 12 61 99.9
Wessex Water Portbury Ditch HARBOUR ROAD CSO 18 59 81.1
Wessex Water Bristol Channel LADYE BAY PUMPING STATION 36 57 100
Wessex Water Bristol Channel CLEVEDON MAIN PS 16 52 100
Wessex Water Portbury Ditch SLADE ROAD/COMBE ROAD CSO 48 21 100
Wessex Water Bristol Channel CLEVEDON BEACH PUMPING STATION 11 9 94.1
Wessex Water Portbury Drove Rhyne PORTBURY DROVE PUMPING STATION 0 0 100
Wessex Water Portbury Via Sws BRAMPTON WAY COMBINED SEWER O'FLOW 0 0 99.5
Wessex Water Severn Estuary CLEVEDON MARINE PARADE PUMPING STN 0 0 100
Wessex Water Land Yeo OLD STREET CSO, CLEVEDON 0 0 100
Wessex Water Land Yeo PARNELL ROAD CSO 0 0 92.7

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. 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.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.