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South West Wiltshire - Live Sewage

Polluted by sewage 2,748 hours in 2026 , monitoring offline 16 hours so far..

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

Which Year?

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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 South West Wiltshire so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

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 - 996 hours
Feb - 1,707 hours , 4 offline
Mar - 38 hours , 3 offline
Apr - 1 hours , 8 offline
May - 4 hours
Jun - 0 hours
Jul - 0 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Wessex Water MERE ROOK STREET STORM TANK Shreen Water 37 595h -
Wessex Water MERE SHAFTESBURY ROAD Shreen Water 37 517h 44m -
Wessex Water WESTBURY STORM TANK Bitham Brook/ Bitham Brook 25 382h 10m -
Wessex Water DILTON MARSH IN FIELD BEHIND XXX HIGH STREET Allebourne Brook 21 335h 24m -
Wessex Water WARMINSTER STORM TANK River Wylye 22 261h 34m -
Wessex Water DILTON MARSH INLET Fairbourne Stream 29 257h 19m -
Wessex Water SOUTHWICK CHANTRY GARDENS Lambrok Stream 20 194h 50m -
Wessex Water TROWBRIDGE CANAL ROAD River Biss Via Sws 8 54h 10m -
Wessex Water MAIDEN BRADLEY INLET Groundwater Via Infilt System 31 44h 47m -
Wessex Water EDINGTON TINHEAD LOWER BAYNTON ROAD Buckington Drove 21 38h 17m -
Wessex Water MERE STW ADJ TO Shreen Water 21 36h 2m -
Wessex Water WARMINSTER CALVESWATER Were Via Sws 5 13h 54m -
Wessex Water WARMINSTER WEYMOUTH STREET R/O XX IN PLEASURE GARDENS NEAR SWIMMING POOL River Wyle Via Were 9 11h 4m -
Wessex Water WESTBURY FROGMORE ROAD OPP XX Bitham Brook/ Bitham Brook 6 5h 42m -
Wessex Water WESTBURY INLET Bitham Brook/ Bitham Brook 1 0h 42m -
Wessex Water TROWBRIDGE WICKER HILL O/S MANE EVENT HAIRDRESSERS River Biss 0 0h -
Wessex Water WESTBURY ALFRED ST CONSERVATIVE CLUB Bitham Brook 0 0h -
Wessex Water DILTON MARSH PEN KNAPP Biss Brook 0 0h -
Wessex Water MONKTON DEVERILL HINDON ROAD STORM TANK River Wylye 0 0h -
Wessex Water TROWBRIDGE THE SHIRES MULTI-STOREY CAR PARK/BASEMENT River Biss Via Sws 0 0h 0 h
Wessex Water MAIDEN BRADLEY INLET Groundwater Via Infilt System 0 0h -
Wessex Water Unknown Unknown 0 0h -
Wessex Water TROWBRIDGE BRADFORD ROAD INLET F/E-River Avon, Cso-River Biss 0 0h -
Wessex Water DILTON MARSH IN FIELD BEHIND XXX HIGH STREET Allebourne Brook 0 0h -
Wessex Water TROWBRIDGE CANAL ROAD River Biss Via Sws 0 0h -
Wessex Water MAIDEN BRADLEY OFF KINGSTON LANE River Wylye 0 0h -
Wessex Water TROWBRIDGE ROSECROFT POLEBARN ROAD Paxcroft Brook Via Sws 0 0h -
Wessex Water TROWBRIDGE WICKER HILL O/S MANE EVENT HAIRDRESSERS River Biss 0 0h 3 h
Wessex Water WESTBURY INLET Bitham Brook/ Bitham Brook 0 0h -
Wessex Water WESTBURY WEST END O/S XX Bitham Brook Via Sws 0 0h -
Wessex Water MERE ROOK STREET STORM TANK Shreen Water 0 0h -
Wessex Water TROWBRIDGE ROSECROFT POLEBARN ROAD Paxcroft Brook Via Sws 0 0h -
Wessex Water NORTH BRADLEY CHURCHLANDS Biss Brook 0 0h -
Wessex Water TROWBRIDGE BRADFORD ROAD INLET F/E-River Avon, Cso-River Biss 0 0h -
Wessex Water WARMINSTER GEORGE ST Were 0 0h -
Wessex Water CHAPMANSLADE DIVERS BRIDGE Rodden Brook 0 0h 0 h
Wessex Water WARMINSTER GEORGE ST Were 0 0h -
Wessex Water WESTBURY STORM TANK Bitham Brook/ Bitham Brook 0 0h -
Wessex Water BRATTON TROWBRIDGE ROAD Bitham Brook 0 0h -
Wessex Water TROWBRIDGE STALLARD STREET O/S XX River Biss Via Sws 0 0h -
Wessex Water MERE SHAFTESBURY ROAD Shreen Water 0 0h -
Wessex Water NORTH BRADLEY CHURCHLANDS Biss Brook 0 0h -
Wessex Water WESTBURY FROGMORE ROAD OPP XX Bitham Brook/ Bitham Brook 0 0h -
Wessex Water WARMINSTER STORM TANK River Wylye 0 0h -
Wessex Water TROWBRIDGE STALLARD STREET O/S XX River Biss Via Sws 0 0h -
Wessex Water EDINGTON TINHEAD LOWER BAYNTON ROAD Buckington Drove 0 0h -
Wessex Water WESTBURY WEST END O/S XX Bitham Brook Via Sws 0 0h -
Wessex Water MERE STW ADJ TO Shreen Water 0 0h -
Wessex Water TROWBRIDGE THE SHIRES MULTI-STOREY CAR PARK/BASEMENT River Biss Via Sws 0 0h -
Wessex Water MERE GARAGE ADJ TO Shreen Water 0 0h -
Wessex Water DILTON MARSH PEN KNAPP Biss Brook 0 0h -
Wessex Water MONKTON DEVERILL HINDON ROAD STORM TANK River Wylye 0 0h 8 h
Wessex Water WARMINSTER WEYMOUTH STREET R/O XX IN PLEASURE GARDENS NEAR SWIMMING POOL River Wyle Via Were 0 0h -
Wessex Water CHAPMANSLADE DIVERS BRIDGE Rodden Brook 0 0h -
Wessex Water WARMINSTER CALVESWATER Were Via Sws 0 0h -
Wessex Water Unknown Unknown 0 0h 4 h
Wessex Water MAIDEN BRADLEY OFF KINGSTON LANE River Wylye 0 0h -
Wessex Water DILTON MARSH INLET Fairbourne Stream 0 0h -
Wessex Water SOUTHWICK CHANTRY GARDENS Lambrok Stream 0 0h -
Wessex Water BRATTON TROWBRIDGE ROAD Bitham Brook 0 0h -
Wessex Water WESTBURY ALFRED ST CONSERVATIVE CLUB Bitham Brook 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.