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Bath

Polluted by sewage 1,648 times in 2025 lasting 3,701 hours

Monitoring fell below 50% in some locations so could be more

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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 Bath in 2026

So far this year (as of 15 Apr 2026, 04:30) there has been 2,520 hours of sewage overflows, from 192 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Bath in 2025

85 Sites polluted by Wessex Water
1,648 sewage dumps
3,701 hours duration
That's 5.14 months. On average 4.5 times a day

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Bath 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 1 of the total 98 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Wessex Water River Avon LONDON ROAD BUS DEPOT CSO 31 317 99.8
Wessex Water St. Catherines Brook STAMBRIDGE CSO 50 300 100
Wessex Water River Avon WINDSOR COURT CSO 22 270 100
Wessex Water River Avon MIDLAND ROAD PUMPING STATION 23 194 100
Wessex Water River Avon BROAD QUAY CSO 27 167 100
Wessex Water River Avon Via Sws LONDON ROAD WEST CSO 27 166 100
Wessex Water River Avon MILL LANE COMBINED SEWER OVERFLOW 23 145 98.2
Wessex Water River Avon WESTON LOCK RETAIL PARK 18 144 100
Wessex Water River Avon RECREATION GROUND CSO 58 138 100
Wessex Water River Avon OSTLING LANE CSO 48 129 95.1
Wessex Water River Avon ROSSITER ROAD CSO 14 127 100
Wessex Water River Avon BRASSMILL LANE (EAST) CSO 18 114 100
Wessex Water River Avon PARADE GARDENS STORM OVERFLOW 14 109 100
Wessex Water River Avon Via Sws TRAFALGAR ROAD CSO 53 107 92.3
Wessex Water River Avon SOUTH PARADE CSO 20 99 100
Wessex Water River Avon GREEN PARK SYPHON INLET CSO 11 97 82.8
Wessex Water River Avon OPPOSITE NO 1, SPRING GARDENS ROAD 12 88 100
Wessex Water River Avon STATION ROAD CSO 16 78 97.9
Wessex Water River Avon CHATHAM ROW CSO 49 69 100
Wessex Water River Avon TOWPATH COMBINED SEWER OVERFLOW 20 61 100
Wessex Water River Avon ENTRY HILL GARDENS CSO 65 59 100
Wessex Water River Avon ROCKCLIFFE ROAD CSO 16 54 95.9
Wessex Water River Avon Via Sws AVON STREET CSO 48 48 100
Wessex Water River Avon LOWER BRISTOL ROAD 6 42 100
Wessex Water River Avon Via Sws PRIOR PARK ROAD CSO 53 35 100
Wessex Water River Avon MOORLAND ROAD CSO 46 34 100
Wessex Water River Avon Via Sws OLDFIELD LANE CSO 51 30 100
Wessex Water River Avon ENGLISHCOMBE LANE CSO 49 28 99.9
Wessex Water River Avon WIDCOMBE BAPTIST CHURCH CSO 24 27 100
Wessex Water River Avon Via Sws BLOOMFIELD ROAD CSO 46 26 98
Wessex Water River Avon NEWBRIDGE ROAD CSO 44 26 100
Wessex Water River Avon UPPER BRISTOL ROAD CSO 50 25 96.9
Wessex Water River Avon LADYMEAD HOUSE CSO 25 24 100
Wessex Water River Avon Via Sws LANSDOWN LANE COMBINED SEWER O'FLOW 14 24 97.5
Wessex Water River Avon ST JOHNS SCHOOL CSO 18 19 100
Wessex Water River Avon Via Sws RAILWAY PLACE CSO 7 18 96.1
Wessex Water River Avon Via Sws HISCOCKS DRIVE CSO 22 17 99.9
Wessex Water River Avon WELLSWAY COMBINED SEWER OVERFLOW 44 17 100
Wessex Water River Avon HORTON HOUSE CSO 18 16 100
Wessex Water River Avon WALCOT TERRACE CSO 12 13 100
Wessex Water Lam Brook Via Sws LARKHALL TERRACE CSO 21 13 92.5
Wessex Water River Avon Via Sws BELLOTTS ROAD CSO 20 13 95.3
Wessex Water Lam Brook MONTAGUE HOUSE CSO 12 13 100
Wessex Water Horsecombe Brook SUMMER LANE COMBINED SEWER OVERFLOW 27 12 100
Wessex Water River Avon Via Sws BRASSMILL LANE (EAST) CSO 6 11 100
Wessex Water Lam Brook J HUGHES COTTAGE CSO 7 10 100
Wessex Water River Avon Via Sws BECKHAMPTON ROAD CSO 21 8 99.7
Wessex Water River Bristol Avon MILL HOUSE 10 8 76.5
Wessex Water River Avon Via Sws CHURCHILL BRIDGE ISLAND CSO 20 6 100
Wessex Water River Avon Via Sws WESTMORELAND ROAD CSO 8 6 98
Wessex Water River Avon Via Sws LYNCOMBE VALE CSO 15 5 91.1
Wessex Water River Avon CANAL TERRACE CSO 15 5 98.6
Wessex Water River Avon CATTLE MARKET 7 5 94.9
Wessex Water River Avon Via Sws BEWDLEY ROAD CSO 15 4 93.9
Wessex Water River Avon Via Sws LOCKSBROOK ROAD CSO 16 4 99.8
Wessex Water River Avon Via Sws LUCKLANDS ROAD COMBINED SEWER OF 14 4 100
Wessex Water River Avon RUSH HILL CSO 20 4 100
Wessex Water River Avon FUNERAL DIRECTORS CSO 12 4 97
Wessex Water River Avon Via Sws SOUTHGATE STREET CSO 15 3 100
Wessex Water River Avon ALDRIDGES CSO 13 3 94.1
Wessex Water River Avon SCOUT SITE COMBINED SEWER OVERFLOW 4 3 32.3
Wessex Water River Avon Via Sws LYNCOMBE VALE CSO 18 3 93.2
Wessex Water River Avon WEIRSIDE COURT CSO 3 2 99.9
Wessex Water River Avon BATHEASTON GARDENS CSO 1 2 96.9
Wessex Water River Avon WALCOT STREET COMBINED SEWER OF 7 2 94.9
Wessex Water River Avon Via Sws 24 TO 39 HAZEL GROVE 11 2 100
Wessex Water River Avon Via Sws FOX HILL WOODLANDS COTTAGE CSO 6 1 100
Wessex Water River Avon Via Sws DORSET CLOSE CSO 9 1 96.9
Wessex Water River Avon Via Sws PRIOR PARK ROAD CSO 9 1 97.3
Wessex Water River Avon Via Sws WIDCOMBE RISE CSO 12 0 100
Wessex Water River Avon Via Sws FIELDINGS ROAD CSO 3 0 95.1
Wessex Water River Avon ST JOHN'S ROAD CSO 5 0 100
Wessex Water River Avon Via Sws SOUTHLANDS COMBINED SEWER OVERFLOW 6 0 86.7
Wessex Water River Avon WELLSWAY 11 0 100
Wessex Water Lam Brook Via Sws BAYTREE ALLOTMENTS CSO 8 0 100
Wessex Water River Avon CLEVELAND BRIDGE CSO 7 0 100
Wessex Water River Avon HUNGERFORD ROAD CSO 3 0 97.5
Wessex Water River Avon LYMORE GARDENS CSO 2 0 100
Wessex Water A Culverted River Avon WELLSWAY COMBINED SEWER OVERFLOW 6 0 100
Wessex Water River Avon ROCKCLIFFE AVENUE CSO 1 0 100
Wessex Water River Avon Via Sws 223 HAYCOMBE DRIVE 2 0 100
Wessex Water River Avon Via Sws ENGLISHCOMBE LANE CSO 3 0 92.6
Wessex Water River Avon LOOP ROAD CSO 3 0 100
Wessex Water River Avon RUSH HILL 1 0 100
Wessex Water River Avon 11 ST JOHN'S ROAD CSO 1 0 99.1
Wessex Water River Avon Via Sws BLOOMFIELD RD JUNCTION CSO 0 0 100
Wessex Water River Avon BRASSMILL LANE CSO 0 0 100
Wessex Water River Avon CSO ADJACENT TO 22-23 HAZEL GROVE 0 0 100
Wessex Water River Avon Via Sws DARTMOUTH AVENUE CSO 0 0 98.6
Wessex Water Lam Brook Via Sws FAIRFIELD AVENUE CSO 0 0 88.7
Wessex Water River Avon GRAND PARADE CSO 0 0 100
Wessex Water River Avon GROVE STREET CSO 0 0 100
Wessex Water River Avon Via Sww MILLMEAD ROAD CSO 0 0 100
Wessex Water River Avon Via Sws MOUNT ROAD CSO 0 0 100
Wessex Water River Avon REAR OF 34 WELLSWAY 0 0 96.1
Wessex Water River Avon SOUTHDOWN ROAD CSO 0 0 100
Wessex Water Kennet WARMINSTER ROAD CSO 0 0 100
Wessex Water River Avon Via Sws WHITE WAY ROAD CSO 0 0 100

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.