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Bristol North West - 2025 Sewage

Polluted by sewage 2,642 hours in 2025 , monitoring offline 10,966 hours , potential overflows 893 hours

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Bristol North West for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

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Daily Data

Jan - 567 hours , 744 offline
Feb - 124 hours , 672 offline
Mar - 0 hours , 744 offline
Apr - 12 hours , 720 offline
May - 10 hours , 890 offline
Jun - 32 hours , 1,285 offline
Jul - 8 hours , 207 offline
Aug - 12 hours , 62 offline
Sept - 350 hours , 659 offline
Oct - 181 hours , 228 potential
Nov - 612 hours , 664 potential
Dec - 729 hours , 1,910 offline
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Wessex Water AVONMOUTH KINGSWESTON LANE STORM TANK Severn Estuary 30 464h 4m -
Wessex Water AVONMOUTH KINGSWESTON LANE STORM TANK Severn Estuary 41 401h 55m -
Wessex Water BRISTOL BLACK ROCKS PORTWAY River Avon Via Sws 15 104h 6m -
Wessex Water BRISTOL BLACK ROCKS PORTWAY River Avon Via Sws 13 91h 48m -
Wessex Water BRISTOL WELLINGTON HILL WEST NO XXX River Trym Via Sws 26 76h 53m -
Wessex Water BRISTOL WELLINGTON HILL WEST NO XXX River Trym Via Sws 14 70h 4m -
Wessex Water BRISTOL PORTWAY UNDER AVON BRIDGE River Avon 31 68h 9m -
Wessex Water BRISTOL HIGH STREET / HENBURY ROAD River Avon 14 56h 35m -
Wessex Water BRISTOL CHERINGTON ROAD O/S NO X River Trym Via Sws 12 53h 55m -
Wessex Water BRISTOL WEST TOWN ROAD River Avon 14 45h 49m -
Wessex Water BRISTOL PORTWAY UNDER AVON BRIDGE River Avon 20 45h 36m -
Wessex Water BRISTOL GLENWOOD ROAD SIDE OF NO X WESTBURY ON TRYM River Trym 14 44h 8m -
Wessex Water BRISTOL GLENWOOD ROAD SIDE OF NO X WESTBURY ON TRYM River Trym 24 44h 2m -
Wessex Water BRISTOL AVONMOUTH ROAD / WEST TOWN ROAD River Avon Via Sws 12 40h 52m -
Wessex Water BRISTOL HIGH STREET / HENBURY ROAD River Avon 18 38h 29m 256 h
Wessex Water BRISTOL HENLEAZE ROAD JUNCTION WITH HENLEAZE PARK DRIVE River Trym Via Sws 16 37h 38m -
Wessex Water BRISTOL STOKE LANE O/S NO XXX WESTBURY ON TRYM River Trym Via Sws 32 35h 52m -
Wessex Water BRISTOL WELLINGTON HILL WEST / BISHOPTHORPE ROAD River Trym Via Sws 27 35h 52m -
Wessex Water BRISTOL WELLINGTON HILL WEST / BISHOPTHORPE ROAD River Trym Via Sws 12 35h 20m -
Wessex Water BRISTOL PORTWAY NEAR RAILWAY River Avon Via Sws 35 35h 6m -
Wessex Water BRISTOL NEWCOMBE ROAD O/S NO 11 River Trym Via Sws 11 32h 54m -
Wessex Water PILL AVON ROAD River Avon 9 32h 29m -
Wessex Water PILL AVON ROAD River Avon 18 31h 56m -
Wessex Water BRISTOL TRYM ROAD O/S NO XX River Trym 15 26h 50m -
Wessex Water BRISTOL CRANBROOK ROAD O/S NO 2 River Avon Via Sws 13 26h 12m -
Wessex Water BRISTOL CRANBROOK ROAD O/S NO 2 River Avon Via Sws 28 25h 56m -
Wessex Water BRISTOL STAPLETON ROAD R/O BLACK SWAN (UNDER FLYOVER) River Avon Via Sws 6 25h 44m -
Wessex Water BRISTOL COTHAM HILL / HAMPTON PARK River Avon Via Sws 11 23h 34m -
Wessex Water BRISTOL MERLIN CLOSE VORTEX River Trym 9 22h 12m -
Wessex Water BRISTOL NEWCOMBE ROAD O/S NO 11 River Trym Via Sws 17 21h 46m -
Wessex Water BRISTOL MINA ROAD O/S NO XXX River Avon Via Sws 11 21h 20m -
Wessex Water BRISTOL COTHAM HILL / HAMPTON PARK River Avon Via Sws 23 21h 9m 0 h
Wessex Water BRISTOL MINA ROAD O/S NO XXX River Avon Via Sws 23 20h 36m -
Wessex Water BRISTOL HENLEAZE ROAD O/S EASTFIELD INN River Trym Via Sws 9 20h 4m -
Wessex Water BRISTOL WEST TOWN ROAD River Avon 4 19h 54m -
Wessex Water BRISTOL AVONMOUTH ROAD / WEST TOWN ROAD River Avon Via Sws 5 19h 20m 0 h
Wessex Water BRISTOL HENLEAZE ROAD JUNCTION WITH HENLEAZE PARK DRIVE River Trym Via Sws 9 19h 10m -
Wessex Water BRISTOL STOKE LANE O/S NO XXX WESTBURY ON TRYM River Trym Via Sws 5 19h 6m 825 h
Wessex Water BRISTOL TRYM ROAD O/S NO XX River Trym 5 17h 15m 824 h
Wessex Water BRISTOL CHERINGTON ROAD O/S NO X River Trym Via Sws 9 15h 35m 4,406 h
Wessex Water BRISTOL MERLIN CLOSE VORTEX River Trym 16 13h 30m 0 h
Wessex Water BRISTOL HENLEAZE ROAD O/S EASTFIELD INN River Trym Via Sws 21 11h 50m -
Wessex Water BRISTOL QUEEN STREET / MEADOW STREET River Severn Via Sws 5 10h 58m -
Wessex Water BRISTOL QUEEN STREET / MEADOW STREET River Severn Via Sws 2 10h 34m -
Wessex Water BRISTOL ALMA ROAD O/S NO XX River Avon [Black Rocks] Sws 6 10h 15m -
Wessex Water BRISTOL ST GEORGES PARK SOUTH XX LYNDALE ROAD River Avon 18 10h 14m -
Wessex Water BRISTOL WHITEHALL ROAD O/S NO XX River Avon Via Sws 12 9h 55m -
Wessex Water BRISTOL AVONMOUTH ROAD / WEST TOWN ROAD River Avon Via Sws 16 9h 54m -
Wessex Water BRISTOL ST GEORGES PARK SOUTH XX LYNDALE ROAD River Avon 7 9h 44m -
Wessex Water BRISTOL THIRD WAY River Severn Estuary Via Sws 1 9h 44m -
Wessex Water BRISTOL COTHAM BROW O/S NO XXX River Avon 21 9h 28m -
Wessex Water BRISTOL HAMPTON ROAD / MELVILLE COURT River Avon Via Sws 8 9h 8m -
Wessex Water BRISTOL HILLBURN ROAD / AVENING ROAD River Avon 11 8h 44m -
Wessex Water BRISTOL WHITEHALL ROAD O/S NO XX River Avon Via Sws 5 8h 38m -
Wessex Water BRISTOL GLOUCESTER ROAD/CAMBRIDGE ROAD Bristol Avon Via Sws Estuarine 6 8h 30m -
Wessex Water BRISTOL DRUID WOOD River Trym Via Sws 13 8h 10m -
Wessex Water BRISTOL DRUID WOOD River Trym Via Sws 5 8h 2m -
Wessex Water BRISTOL VICTORIA ROAD Bristol Avon 1 7h 15m -
Wessex Water BRISTOL COTHAM BROW O/S NO XXX River Avon 6 7h 2m -
Wessex Water BRISTOL PORTWAY NEAR RAILWAY River Avon Via Sws 7 6h 50m -
Wessex Water BRISTOL ALMA ROAD O/S NO XX River Avon [Black Rocks] Sws 11 6h 28m -
Wessex Water BRISTOL HAMPTON ROAD / MELVILLE COURT River Avon Via Sws 12 6h 22m -
Wessex Water BRISTOL WHITEWAY ROAD O/S NO XX River Avon 17 6h 14m -
Wessex Water BRISTOL CANFORD ROAD / CANFORD LANE River Trym Via Sws 3 5h 36m -
Wessex Water BRISTOL ABBEY ROAD O/S NO XXX River Trym Via Sws 10 5h 31m -
Wessex Water BRISTOL WESTBURY ROAD / GRANGE COURT ROAD River Trym Via Sws 12 5h 20m -
Wessex Water BRISTOL SALISBURY AVE O/S NO XX River Avon Via Sws 7 5h 14m 458 h
Wessex Water BRISTOL HENLEAZE ROAD / WANSCOW WALK River Trym Via Sws 3 5h 10m -
Wessex Water BRISTOL GLOUCESTER ROAD/CAMBRIDGE ROAD Bristol Avon Via Sws Estuarine 12 5h 10m -
Wessex Water BRISTOL AVONMOUTH ROAD / WEST TOWN ROAD River Avon Via Sws 4 5h 4m -
Wessex Water BRISTOL ABBEY ROAD O/S NO XXX River Trym Via Sws 3 4h 54m 480 h
Wessex Water BRISTOL STAPLETON ROAD R/O BLACK SWAN (UNDER FLYOVER) River Avon Via Sws 1 4h 6m -
Wessex Water BRISTOL WESTBURY ROAD / GRANGE COURT ROAD River Trym Via Sws 2 4h 4m -
Wessex Water BRISTOL VICTORIA ROAD Bristol Avon 4 4h 4m -
Wessex Water BRISTOL EAST HILL / CHOCK LANE River Trym Via Sws 11 3h 59m -
Wessex Water BRISTOL HENLEAZE ROAD / WANSCOW WALK River Trym Via Sws 9 3h 58m -
Wessex Water BRISTOL WELLINGTON HILL WEST NO 175 River Trym Via Sws 1 3h 54m -
Wessex Water BRISTOL AVONMOUTH WAY River Avon 2 3h 54m -
Wessex Water BRISTOL CANFORD ROAD / CANFORD LANE River Trym Via Sws 3 3h 52m -
Wessex Water BRISTOL HENLEAZE ROAD OPP X PYCROFT AVE River Trym Via Sws 1 3h 50m -
Wessex Water BRISTOL SEA MILLS LANE NR BRIDGE River Avon Via Sws 1 3h 48m -
Wessex Water BRISTOL WHITEWAY ROAD O/S NO XX River Avon 5 3h 20m -
Wessex Water BRISTOL QUEEN STREET O/S NO X River Avon 10 3h 10m -
Wessex Water BRISTOL SPRINGFIELD AVENUE O/S NO 5 River Avon Via Sws 8 3h 6m -
Wessex Water BRISTOL BUDE AVENUE FOOTBALL PITCH River Avon Via Sws 4 3h 4m -
Wessex Water BRISTOL VALLEY ROAD ZIG ZAG PATH BRIDGE River Avon 7 3h 2m -
Wessex Water BRISTOL HENLEAZE ROAD OPP X PYCROFT AVE River Trym Via Sws 11 2h 48m -
Wessex Water BRISTOL HUDDS VALE ROAD / PLUMERS HILL River Avon Via Sws 5 2h 40m -
Wessex Water BRISTOL QUEEN STREET O/S NO X River Avon 3 2h 28m -
Wessex Water BRISTOL HUDDS VALE ROAD / PLUMERS HILL River Avon Via Sws 10 2h 13m -
Wessex Water BRISTOL CLIFTON DOWN STATION River Avon[Black Rocks] 8 2h 10m -
Wessex Water BRISTOL MULLER ROAD ALLOTMENTS Boiling Wells Lane Stream 5 2h 10m -
Wessex Water BRISTOL VALLEY ROAD ZIG ZAG PATH BRIDGE River Avon 2 2h 4m -
Wessex Water BRISTOL PORTWAY BRIDGE River Avon Via Sws 2 1h 59m 893 h
Wessex Water BRISTOL MULLER ROAD ALLOTMENTS Boiling Wells Lane Stream 2 1h 55m -
Wessex Water BRISTOL WELLINGTON HILL WEST NO 175 River Trym Via Sws 4 1h 52m -
Wessex Water BRISTOL SPRINGFIELD AVENUE O/S NO 5 River Avon Via Sws 3 1h 24m -
Wessex Water BRISTOL NEATH ROAD / WHITEHALL ROAD River Avon Via Sws 3 1h 24m -
Wessex Water BRISTOL HILLBURN ROAD / AVENING ROAD River Avon 2 1h 20m -
Wessex Water BRISTOL THIRD WAY River Severn Estuary Via Sws 1 1h 20m -
Wessex Water BRISTOL AVONMOUTH WAY River Avon 1 1h 16m 512 h
Wessex Water BRISTOL SPRINGFIELD AVENUE O/S NO 7 River Avon Via Sws 7 1h 16m -
Wessex Water BRISTOL ASHLEY DOWN ROAD ALLOTMENTS River Avon 1 1h 12m -
Wessex Water BRISTOL HOLDENHURST ROAD / BROAD ROAD River Avon Via Sws 5 1h 12m -
Wessex Water BRISTOL ST GEORGES PARK NORTH XXX CHURCH ROAD River Avon Via Sws 6 1h 8m -
Wessex Water BRISTOL BISHOP ROAD / XXX GLOUCESTER ROAD River Avon Via Sws 2 1h 6m 512 h
Wessex Water BRISTOL EAST HILL / CHOCK LANE River Trym Via Sws 3 1h 4m -
Wessex Water BRISTOL OLD PARK ROAD O/S NO XX River Avon Via Sws 4 1h 2m -
Wessex Water BRISTOL HOLDENHURST ROAD / BROAD ROAD River Avon Via Sws 2 1h -
Wessex Water BRISTOL CLIFTON DOWN STATION River Avon[Black Rocks] 2 0h 56m -
Wessex Water BRISTOL LAWRENCE GROVE O/S NO XX River Trym Via Sws 1 0h 56m -
Wessex Water BRISTOL BUDE AVENUE FOOTBALL PITCH River Avon Via Sws 5 0h 50m -
Wessex Water BRISTOL SHIREHAMPTON ROAD NO XXX River Trym Via Sws 3 0h 50m -
Wessex Water BRISTOL BROOK ROAD / WHITEFIELD ROAD River Avon 4 0h 48m -
Wessex Water BRISTOL LAWRENCE GROVE O/S NO XX River Trym Via Sws 2 0h 46m -
Wessex Water BRISTOL SHIREHAMPTON ROAD NO XXX River Trym Via Sws 6 0h 46m -
Wessex Water BRISTOL SEA MILLS LANE NR BRIDGE River Avon Via Sws 2 0h 44m -
Wessex Water BRISTOL NEW QUEEN ST O/S NO XX River Avon 4 0h 44m -
Wessex Water BRISTOL STATION ROAD R/O XXX CHELTENHAM ROAD (CUTTERS MILLS CULVERT) River Avon 2 0h 34m -
Wessex Water BRISTOL ASHLEY DOWN ROAD ALLOTMENTS River Avon 2 0h 32m -
Wessex Water BRISTOL MEADOW VALE NO XX FRONT GARDEN River Avon Via Sws 3 0h 26m -
Wessex Water BRISTOL WATLING WAY IN GARDEN NO XX River Avon 2 0h 20m -
Wessex Water BRISTOL MEADOW VALE NO XX FRONT GARDEN River Avon Via Sws 2 0h 18m -
Wessex Water BRISTOL SPEEDWELL ROAD / VENTNOR ROAD River Avon 2 0h 12m -
Wessex Water BRISTOL HARBURY ROAD River Trym Via Sws 3 0h 12m -
Wessex Water BRISTOL CHARLTON ROAD O/S NO 82 River Avon Via Sws 1 0h 8m -
Wessex Water BRISTOL OLD PARK ROAD O/S NO XX River Avon Via Sws 1 0h 8m -
Wessex Water BRISTOL CHARLTON ROAD O/S NO 82 River Avon Via Sws 1 0h 6m -
Wessex Water BRISTOL HARBURY ROAD River Trym Via Sws 1 0h 4m -
Wessex Water BRISTOL SPEEDWELL ROAD / VENTNOR ROAD River Avon 1 0h 4m -
Wessex Water BRISTOL STATION ROAD O/S NO 30 River Avon Via Sws 1 0h 4m 512 h
Wessex Water BRISTOL SPRINGFIELD AVENUE O/S NO 7 River Avon Via Sws 1 0h 2m -
Wessex Water BRISTOL NEATH ROAD / WHITEHALL ROAD River Avon Via Sws 1 0h 2m -
Wessex Water Unknown Unknown 0 0h 14 h
Wessex Water BRISTOL LYPPIATT ROAD O/S NO 29 River Avon 0 0h 657 h
Wessex Water BRISTOL BROOK ROAD / WHITEFIELD ROAD River Avon 0 0h -
Wessex Water SHIREHAMPTON LAMPLIGHTERS River Avon 0 0h -
Wessex Water BRISTOL BROOK ROAD CAR PARK J SOMERS & SONS River Avon 0 0h -
Wessex Water BRISTOL WELLINGTON HILL WEST NO 147 (NO X) River Trym Via Sws 0 0h -
Wessex Water BRISTOL STATION ROAD O/S NO 30 River Avon Via Sws 0 0h -
Wessex Water BRISTOL SPEEDWELL ROAD O/S NO XX River Avon Via Sws 0 0h -
Wessex Water Unknown Unknown 0 0h 599 h
Wessex Water BRISTOL HENLEAZE PARK DRIVE JUNCTION OAKWOOD ROAD River Trym Via Sws 0 0h -
Wessex Water BRISTOL LYPPIATT ROAD O/S NO 57 River Avon Via Sws 0 0h -
Wessex Water AVONMOUTH LOWER HIGH STREET O/S NO. XX River Avon Via Sws 0 0h -
Wessex Water BRISTOL LYPPIATT ROAD O/S NO 57 River Avon Via Sws 0 0h -
Wessex Water BRISTOL NEW QUEEN ST O/S NO XX River Avon 0 0h -
Wessex Water BRISTOL WATLING WAY IN GARDEN NO XX River Avon 0 0h -
Wessex Water BRISTOL ROCKSIDE DRIVE O/S NO X River Trym Via Sw 0 0h -
Wessex Water BRISTOL STATION ROAD R/O XXX CHELTENHAM ROAD (CUTTERS MILLS CULVERT) River Avon 0 0h -
Wessex Water BRISTOL WELLINGTON HILL WEST NO 147 (NO X) River Trym Via Sws 0 0h -
Wessex Water Unknown Unknown 0 0h 5 h
Wessex Water BRISTOL BISHOP ROAD / XXX GLOUCESTER ROAD River Avon Via Sws 0 0h 50 h
Wessex Water BRISTOL SOMMERVILLE ROAD / NORTH ROAD River Avon 0 0h -
Wessex Water BRISTOL HENBURY ROAD O/S NO XX River Trym Via Sws 0 0h -
Wessex Water BRISTOL PORTWAY BRIDGE River Avon Via Sws 0 0h 167 h
Wessex Water SHIREHAMPTON LAMPLIGHTERS River Avon 0 0h -
Wessex Water BRISTOL WELLINGTON HILL WEST NO 147 (NO X) River Trym Via Sws 0 0h -
Wessex Water BRISTOL LYPPIATT ROAD O/S NO 29 River Avon 0 0h 409 h
Wessex Water AVONMOUTH LOWER HIGH STREET O/S NO. XX River Avon Via Sws 0 0h -
Wessex Water BRISTOL GLOUCESTER ROAD O/S NO XXX River Avon Via Sws 0 0h -
Wessex Water BRISTOL WELLINGTON HILL WEST NO 147 (NO X) River Trym Via Sws 0 0h 143 h
Wessex Water BRISTOL HENLEAZE PARK DRIVE JUNCTION OAKWOOD ROAD River Trym Via Sws 0 0h -
Wessex Water Unknown Unknown 0 0h 129 h
Wessex Water BRISTOL ST GEORGES PARK NORTH XXX CHURCH ROAD River Avon Via Sws 0 0h -
Wessex Water BRISTOL BROOK ROAD CAR PARK J SOMERS & SONS River Avon 0 0h -
Wessex Water BRISTOL SALISBURY AVE O/S NO XX River Avon Via Sws 0 0h -
Wessex Water BRISTOL OAKWOOD ROAD O/S NO XX River Trym Via Sws 0 0h -

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.