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Wells and Mendip Hills

Polluted by sewage 1,002 times in 2025 lasting 10,727 hours - That's 1.24 years!

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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 Wells and Mendip Hills in 2026

So far this year (as of 18 May 2026, 12:00) there has been 11,573 hours of sewage overflows, from 103 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s - that's 1.34 years!

Totals for Wells and Mendip Hills in 2025

37 Sites polluted by Wessex Water
1,002 sewage dumps
10,727 hours duration
That's 1.24 years. On average 2.7 times a day

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Wells and Mendip Hills 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 %
Wessex Water River Axe WOOKEY WATER RECYCLING CENTRE 114 1,740 99.95
Wessex Water Dolmead Rhyne DRAYCOTT AND RODNEYSTOKE STW 71 1,205 100
Wessex Water Nidon Rhyne BROADMEAD LANE PUMP STATION 49 991 100
Wessex Water Whitelake PILTON WATER RECYCLING CENTRE 45 885 100
Wessex Water Lox Yeo WINSCOMBE WWTW 60 881 100
Wessex Water Cheddar Yeo CHEDDAR WASTEWATER TREATMENT WORKS 52 720 100
Wessex Water River Brue MEARE WASTEWATER TREATMENT WORKS 53 656 100
Wessex Water Sth Drain- Lwr Brue SHAPWICK PUMPING STATION 32 555 75.8
Wessex Water Langford Brook LANGFORD PUMPING STATION 33 532 100
Wessex Water River Sheppey SHEPTON MALLET WWTW 36 460 99.8
Wessex Water Congresbury Yeo BLAGDON WASTEWATER TREATMENT WORKS 34 354 100
Wessex Water Landcourse Rhyne WEDMORE WATER RECYCLING CENTRE 32 316 99.9
Wessex Water Nidon Brook GOOSE LANE COMBINED SEWER OVERFLOW 60 214 98.8
Wessex Water Sandmead Rhyne SANDMEAD LANE PUMPING STATION 14 198 100
Wessex Water River Sheppey MILL LANE PUMPING STATION 32 139 100
Wessex Water Wells Moat Stream WELLS STW 16 114 98.9
Wessex Water Cheddar Yeo CLIFF STREET/REDCLIFFE STREET CSO 20 106 100
Wessex Water Lower River Axe BLEADNEY MILL PUMPING STATION 11 101 98.8
Wessex Water Wellow Brook TERRACE WOOD CSO 49 100 97.1
Wessex Water Greinton Rhyne PEDWELL PUMPING STATION 16 84 99.7
Wessex Water River Yeo FROGLANDS PUMPING STATION 38 82 100
Wessex Water Helliers Stream Via Sws 41 WIDEATTS ROAD CSO 10 56 100
Wessex Water River Sheppey COXLEY RIPPLE PUMPING STATION 5 45 99.5
Wessex Water River Axe GLEN COTTAGE CSO 28 41 87.5
Wessex Water Wellow Brook HOME FARM CSO 30 25 90.2
Wessex Water River Sheppey SUNNY MOUNT CSO 15 24 100
Wessex Water River Sheppey Via Sws FOSSE LANE PS 5 23 100
Wessex Water Cross Rhyne CROSS EAST PUMPING STATION 6 19 100
Wessex Water Kings Sedgemoor Drain SUTTON MALLET PUMPING STATION 2 14 100
Wessex Water Towerhead Brook SANDFORD BATCH PS 5 8 100
Wessex Water St Andrews Stream PRIORY HOSPITAL CSO 12 7 100
Wessex Water River Sheppey CROSCOMBE STW 2 7 100
Wessex Water River Sheppey LONG STREET COMBINED SEWER OVERFLOW 2 4 93.4
Wessex Water River Axe AXE ROAD COMBINED SEWER OVERFLOW 2 3 96.5
Wessex Water Greinton Rhyne Drain GREINTON WASTEWATER PUMPING STATION 1 0 100
Wessex Water River Sheppey CATS ASH COMBINED SEWER OVERFLOW 6 0 96.5
Wessex Water River Axe Via Sws KENNEL BATCH CSO 4 0 100
Wessex Water Ellenge Stream AXBRIDGE PUMPING STATION 0 0 100
Wessex Water River Sheppey Via Sws CHARLTON ROAD CSO 0 0 99.9
Wessex Water Nidon Brook CHILTON POLDEN PUMPING STATION 0 0 100
Wessex Water Unnamed Rhyne GILLS LANE PS 0 0 100
Wessex Water Axe Link Rhtne To River Yeo LOXTON SEWAGE TREATMENT WORKS (NEW) 0 0 96.6
Wessex Water River Sheppey MANOR HOUSE COMBINED SEWER OVERFLOW 0 0 96.3
Wessex Water Groundwater Via Infilt System SHAFTGATE AVENUE CSO 0 0 100
Wessex Water Small Moor Rhyne WALTON GLOBE PUMPING STATION 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.