River Avon polluted by sewage 4,719 times in 2023 - lasting 32,577 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Avon in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Wessex Water River Avon SPANIEL'S BRIDGE PUMPING STATION 193 4,210 99.9
Wessex Water River Avon TETBURY WASTE WATER TREATMENT WORKS 215 3,029 97.7
Wessex Water River Avon DIDMARTON WATER RECYCLING CENTRE 93 1,817 99.9
Wessex Water River Avon SALISBURY (PETERSFINGER) 102 1,766 100
Wessex Water River Avon MELKSHAM WWTW 115 1,723 99.65
Wessex Water River Avon FORDINGBRIDGE CSO 82 1,413 99.9
Wessex Water River Avon CHIPPENHAM WATER RECYCLING CENTRE 84 1,219 97.15
Wessex Water River Avon MALMESBURY WWTW 93 1,192 100
Wessex Water River Avon KINGTON LANGLEY PUMPING STATION 68 997 100
Wessex Water River Avon KEYNSHAM WASTEWATER TREATMENT WORKS 84 963 99.9
Wessex Water River Avon CHRISTCHURCH SEWAGE TREATMENT WORKS 56 922 100
Wessex Water River Avon BATH (SALTFORD) WRC 86 909 99.9
Wessex Water River Avon GREAT SOMERFORD WWTW 73 771 100
Wessex Water River Avon NOAH'S ARK PUMPING STATION 50 718 100
Wessex Water River Avon ALL CANNINGS PS 40 637 100
Wessex Water River Avon THE STAR PUMPING STATION 70 530 100
Wessex Water River Avon LONDON ROAD BUS DEPOT CSO 63 522 100
Wessex Water River Avon WILLSBRIDGE COMBINED SEWER OVERFLOW 80 518 100
Wessex Water River Avon NORTH NEWNTON PUMPING STATION 33 478 100
Wessex Water River Avon WINDSOR COURT CSO 33 391 100
Wessex Water River Avon PLIMSOLL STATUE CSO 47 308 99.9
Wessex Water River Avon WESTMEAD PUMPING STATION 21 300 99.9
Wessex Water River Avon WESTON LOCK RETAIL PARK 25 266 100
Wessex Water River Avon BROAD QUAY CSO 32 265 99.9
Wessex Water River Avon RECREATION GROUND CSO 69 263 99.8
Wessex Water River Avon ROSSITER ROAD CSO 26 255 99.6
Wessex Water River Avon ST JOHNS STREET PUMPING STATION 71 253 100
Wessex Water River Avon HILLBURN ROAD CSO 118 247 100
Wessex Water River Avon POUND LANE CSO 58 237 99.9
Wessex Water River Avon LOWER BRISTOL ROAD 51 225 99.8
Wessex Water River Avon PARADE GARDENS STORM OVERFLOW 25 222 99.8
Wessex Water River Avon BRASSMILL LANE (EAST) CSO 34 218 97.4
Wessex Water River Avon MILL LANE COMBINED SEWER OVERFLOW 39 205 99.9
Wessex Water River Avon WEST TOWN ROAD PUMPING STATION 71 195 100
Wessex Water River Avon SOUTH PARADE CSO 22 179 99.5
Wessex Water River Avon WINSLEY WASTEWATER TREATMENT WORKS 22 173 100
Wessex Water River Avon PEWSEY WASTEWATER TREATMENT WORKS 49 171 97.3
Wessex Water River Avon GREEN PARK SYPHON INLET CSO 25 155 99.7
Wessex Water River Avon ASHTON AVENUE PUMPING STATION 52 152 99.1
Wessex Water River Avon TOWPATH COMBINED SEWER OVERFLOW 33 149 100
Wessex Water River Avon CSO O/S 29 HIGH STREET 69 148 100
Wessex Water River Avon AVON ROAD PUMPING STATION 54 144 99.6
Wessex Water River Avon WESTBURY ON TRYM STORM OVERFLOW 53 141 100
Wessex Water River Avon POLLY BARNES HILL CSO 86 137 100
Wessex Water River Avon SEMINGTON ROAD CSO 33 136 100
Wessex Water River Avon STATION ROAD CSO 23 135 100
Wessex Water River Avon RAF HULLAVINGTON PS 12 134 93.2
Wessex Water River Avon SILVER STREET CSO 19 120 98.9
Wessex Water River Avon CHATHAM ROW CSO 51 116 80.3
Wessex Water River Avon BRADFORD ON AVON WWTW 20 115 99.85
Wessex Water River Avon OSTLING LANE CSO 62 106 99.8
Wessex Water River Avon OPPOSITE NO 1, SPRING GARDENS ROAD 18 101 100
Wessex Water River Avon THE HAMS PUMPING STATION 95 90 100
Wessex Water River Avon MONKTON PARK OFFICES CSO 16 75 99.8
Wessex Water River Avon LADYMEAD HOUSE CSO 45 71 99.7
Wessex Water River Avon BATH ROAD CSO 65 70 99.9
Wessex Water River Avon MARKET STREET CSO 56 70 99.9
Wessex Water River Avon COMMERCIAL ROAD CSO 17 68 99.9
Wessex Water River Avon SCOUT SITE COMBINED SEWER OVERFLOW 19 66 82.3
Wessex Water River Avon BARTON FARM CSO 8 64 100
Wessex Water River Avon FEEDER ROAD COMBINED SEWER OVERFLOW 18 64 99.7
Wessex Water River Avon WOOLLEY STREET CSO 28 63 99.5
Wessex Water River Avon AVONMOUTH WAY COMBINED SEWER OF 25 60 99.7
Wessex Water River Avon BROAD QUAY CSO 17 57 99.8
Wessex Water River Avon WEST TOWN ROAD PUMPING STATION 29 55 100
Wessex Water River Avon HIGH STREET PUMPING STATION 6 49 99.8
Wessex Water River Avon MOORLAND ROAD CSO 54 46 100
Wessex Water River Avon UPPER BRISTOL ROAD CSO 65 42 96.4
Wessex Water River Avon ST GEORGES PARK 1 CSO 43 41 100
Wessex Water River Avon BEECHWOOD AVENUE CSO 38 40 99.9
Wessex Water River Avon WALCOT TERRACE CSO 17 40 99.7
Wessex Water River Avon NEWBRIDGE ROAD CSO 59 40 100
Wessex Water River Avon ENGLISHCOMBE LANE CSO 59 39 94.3
Wessex Water River Avon CATTLE MARKET 8 35 100
Wessex Water River Avon LOWER HANHAM ROAD CSO 46 35 95.1
Wessex Water River Avon WHITEWAY ROAD COMBINED SEWER OF 56 32 99.8
Wessex Water River Avon COTHAM BROW CSO 61 32 100
Wessex Water River Avon PARK ROAD COMBINED SEWER OVERFLOW 38 32 95.8
Wessex Water River Avon CATTLE MARKET ROAD SIPHON CSO 16 31 100
Wessex Water River Avon WILCOT PUMPING STATION 6 27 100
Wessex Water River Avon WALCOT STREET COMBINED SEWER OF 5 27 100
Wessex Water River Avon HORTON HOUSE CSO 22 27 97.3
Wessex Water River Avon WIDCOMBE BAPTIST CHURCH CSO 32 26 97.3
Wessex Water River Avon ST JOHNS SCHOOL CSO 26 23 88.9
Wessex Water River Avon LOWER BRISTOL ROAD 6 22 100
Wessex Water River Avon ROCKCLIFFE ROAD CSO 23 21 85.5
Wessex Water River Avon QUEEN STREET CSO 39 19 94.3
Wessex Water River Avon PARLIAMENT ROW CSO 23 19 99.8
Wessex Water River Avon BRIDGE VALLEY ROAD CSO 36 19 99.6
Wessex Water River Avon WELLSWAY COMBINED SEWER OVERFLOW 47 18 99.9
Wessex Water River Avon ANSTEY'S RD CSO 26 17 100
Wessex Water River Avon THE TARTERS CSO 41 14 99.7
Wessex Water River Avon ROCKCLIFFE AVENUE CSO 3 14 99.8
Wessex Water River Avon VICTOR STREET COMBINED SEWER OVERFL 11 14 98.5
Wessex Water River Avon WOOD LANE CSO 7 13 99.8
Wessex Water River Avon ALDRIDGES CSO 24 13 99.9
Wessex Water River Avon FUNERAL DIRECTORS CSO 14 11 99.7
Wessex Water River Avon BURTON HILL PS 4 10 99.8
Wessex Water River Avon LAWNWOOD COMBINED SEWER OVERFLOW 21 9 99.8
Wessex Water River Avon BATH ROAD TRADING ESTATE CSO 10 9 99.6
Wessex Water River Avon CANAL TERRACE CSO 26 7 99.8
Wessex Water River Avon LOWER CONHAM VALE CSO 32 6 100
Wessex Water River Avon PATNEY WEIR PUMPING STATION 3 5 100
Wessex Water River Avon WHITBY ROAD EMBANKMENT PS 2 5 100
Wessex Water River Avon CENTRAL TRADING ESTATE PS 4 4 99.8
Wessex Water River Avon ENTRY HILL GARDENS CSO 6 4 100
Wessex Water River Avon RUSH HILL CSO 24 4 99.8
Wessex Water River Avon BROOK ROAD COMBINED SEWER OVERFLOW 20 2 95.8
Wessex Water River Avon CHURCH ROAD PUMPING STATION 1 2 100
Wessex Water River Avon ASHLEY DOWN ROAD ALLOTMENTS CSO 4 2 99.8
Wessex Water River Avon SOUTHDOWN ROAD CSO 1 1 87.5
Wessex Water River Avon SWAN PUMPING STATION 4 1 100
Wessex Water River Avon CENTRAL TRADING ESTATE CSO 5 1 99.7
Wessex Water River Avon HARPERS LANE CSO 4 1 92.6
Wessex Water River Avon FOOTSHILL ROAD CSO 9 0 99.8
Wessex Water River Avon NEW QUEEN STREET COMBINED SEWER OF 8 0 95.4
Wessex Water River Avon CLEVELAND BRIDGE CSO 11 0 100
Wessex Water River Avon CHARTER ROAD CSO 1 0 94.8
Wessex Water River Avon BATHEASTON GARDENS CSO 1 0 95.4
Wessex Water River Avon WATLING WAY COMBINED SEWER OVERFLOW 4 0 100
Wessex Water River Avon ST JOHN'S ROAD CSO 3 0 100
Wessex Water River Avon 11 ST JOHN'S ROAD CSO 1 0 99.6
Wessex Water River Avon OUTSIDE 8 SIDCOT 1 0 99.9
Wessex Water River Avon LAMPLIGHTERS SEWAGE PUMPING STATION 1 0 99.9
Wessex Water River Avon WEIRSIDE COURT CSO 3 0 99.9
Wessex Water River Avon STATION ROAD CSO 1 0 100
Wessex Water River Avon HUNGERFORD ROAD CSO 2 0 97.4
Wessex Water River Avon SPEEDWELL ROAD COMBINED SEWER OF 2 0 99.8
Wessex Water River Avon SOMERVILLE ROAD CSO 1 0 78.9
Wessex Water River Avon CSO ADJACENT TO 22-23 HAZEL GROVE 1 0 100
Wessex Water River Avon REAR OF 34 WELLSWAY 0 0 100
Wessex Water River Avon RUSH HILL 0 0 100
Wessex Water River Avon GRAND PARADE CSO 0 0 99.7
Wessex Water River Avon LOOP ROAD CSO 0 0 99.7
Wessex Water River Avon BRASSMILL LANE CSO 0 0 95.8
Wessex Water River Avon GROVE STREET CSO 0 0 100
Wessex Water River Avon WELLSWAY 0 0 100
Wessex Water River Avon LYMORE GARDENS CSO 0 0 99.4
Wessex Water River Avon MIDLAND ROAD PUMPING STATION 0 0 100
Wessex Water River Avon FLOWER LANE PUMPING STATION 0 0 100
Wessex Water River Avon BROOK ROAD CSO 0 0 99.7
Wessex Water River Avon HOLMES HILL ROAD CSO 0 0 100
Wessex Water River Avon 29 LYPPIATT ROAD CSO 0 0 99.9
Wessex Water River Avon MARY STREET COMBINED SEWER OVERFLOW 0 0 99.5
Wessex Water River Avon SALISBURY ROAD PUMPING STATION 0 0 100
Wessex Water River Avon HANHAM HIGH STREET CSO 0 0 99.8
Wessex Water River Avon CHURCHILL GDNS SSO 0 0 99.9
Wessex Water River Avon SPRINGFIELDS PUMPING STATION 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

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.