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Stroud - 2025 Sewage

Polluted by sewage 3,325 hours in 2025 , monitoring offline 3,010 hours , potential overflows 45 hours

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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 Stroud 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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Constituencies near Stroud

Daily Data

Jan - 926 hours , 131 offline
Feb - 330 hours , 45 potential
Mar - 132 hours , 154 offline
Apr - 49 hours
May - 54 hours , 0 potential
Jun - 11 hours , 211 offline
Jul - 6 hours
Aug - 1 hours , 53 offline
Sept - 115 hours , 224 offline
Oct - 57 hours , 168 offline
Nov - 333 hours , 1,115 offline
Dec - 1,307 hours , 387 offline
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.
Please note: We don't have rainfall data for Wales. If you know where to source it please let us know!
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Thank you so much to everyone who contributed to the site in 2025 to keep it running. We do rely on your contributions! Developing and running a website costs real money.
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Severn Trent Water STANLEY DOWNTON (STW) River Frome 33 461 h 6m 34 h
Severn Trent Water STANLEY DOWNTON (STW) River Frome 24 447 h 12m -
Severn Trent Water COALEY STW (SSTO) River Cam 20 347 h 49m -
Severn Trent Water COALEY STW (SSTO) River Cam 31 339 h 14m 56 h
Severn Trent Water WHITMINSTER - SCHOOL LANE (CSO) River Severn 26 294 h 34m 249 h
Severn Trent Water WHITMINSTER - SCHOOL LANE (CSO) River Severn 21 290 h 9m -
Severn Trent Water CAM - DRAYCOTT (M/H 9) (CSO) River Cam 29 226 h 51m -
Wessex Water WOTTON-UNDER-EDGE HACK MILL Dyers Brook 37 100 h 21m -
Wessex Water NORTH NIBLEY STORM TANK Doverte Brook 10 98 h 58m -
Severn Trent Water KINGS STANLEY - RYEFORD RD SOUTH (CSO) River Frome 13 91 h 23m 181 h
Wessex Water WOTTON-UNDER-EDGE HACK MILL Dyers Brook 20 90 h 58m -
Severn Trent Water WHITMINSTER - ATTWOOLS (CSO) River Severn 11 83 h 52m -
Severn Trent Water DURSLEY - LISTERS CAR PARK (CSO) River Ewelme 18 82 h 49m 65 h
Severn Trent Water BRIMSCOMBE - CARAVAN SITE(SDC 37) (CSO) River Frome 4 70 h 3m 550 h
Wessex Water NORTH NIBLEY STORM TANK Doverte Brook 7 49 h 59m -
Severn Trent Water CAM - DRAYCOTT (M/H 9) (CSO) River Cam 7 41 h 47m -
Severn Trent Water STROUD - WALLBRIDGE (SSO) River Frome 11 41 h 16m 4 h
Severn Trent Water FRAMPTON STW (SSTO) River Severn 25 37 h 59m 66 h
Severn Trent Water STROUD - BATH ROAD (CSO) Nailsworth Stream 2 27 h 3m 149 h
Severn Trent Water NAILSWORTH - OLD MARKET (SDC 22) (CSO) Nailsworth Stream 14 22 h 15m 98 h
Severn Trent Water WHITMINSTER - ATTWOOLS (CSO) River Severn 7 20 h 24m 301 h
Severn Trent Water STROUD - BATH RD IND EST (SDC 10) (CSO) Nailsworth Stream 20 18 h 21m 94 h
Severn Trent Water STROUD - BATH RD IND EST (SDC 10) (CSO) Nailsworth Stream 7 11 h 54m -
Severn Trent Water STONEHOUSE - OCEAN BRIDGE (CSO) River Frome 3 6 h 41m 98 h
Severn Trent Water NAILSWORTH - OLD MARKET (SDC 22) (CSO) Nailsworth Stream 3 4 h 41m 38 h
Wessex Water WOTTON-UNDER-EDGE WATER LANE Dyers Brook 8 3 h 32m -
Wessex Water WOTTON-UNDER-EDGE OLD COACH YARD Dyers Brook 9 3 h 22m -
Severn Trent Water DURSLEY - STATION ROAD (CSO) River Cam 3 3 h 21m 239 h
Wessex Water WOTTON-UNDER-EDGE WATER LANE Dyers Brook 8 2 h 58m -
Wessex Water WOTTON-UNDER-EDGE OLD COACH YARD Dyers Brook 7 1 h 32m -
Severn Trent Water DURSLEY - STATION ROAD (CSO) River Cam 1 1 h 14m 18 h
Severn Trent Water STONEHOUSE - REGENT STREET (SDC4) (CSO) River Frome 1 0 h 48m -
Severn Trent Water STONEHOUSE - OCEAN BRIDGE (CSO) River Frome 1 0 h 45m -
Severn Trent Water BUSSAGE - TOADSMOOR ROAD (SDC 38) (CSO) River Frome 0 0 h 203 h
Severn Trent Water STROUD - GANNICOX ROAD X (SDC 55) (CSO) Painswick Stream 0 0 h 35 h
Severn Trent Water STROUD - BEARDS LANE (SDC 30) (CSO) River Frome 0 0 h -
Severn Trent Water STROUD - WALLBRIDGE (SSO) River Frome 0 0 h 12 h
Severn Trent Water LEONARD STANLEY - STANLEY DOWNTON (CSO) River Frome 0 0 h -
Severn Trent Water BRIMSCOMBE - CARAVAN SITE(SDC 37) (CSO) River Frome 0 0 h 432 h
Wessex Water BERKELEY PARK VIEW ROAD Berkeley Pill 0 0 h 15 h
Severn Trent Water BUSSAGE - TOADSMOOR ROAD (SDC 38) (CSO) River Frome 0 0 h -
Wessex Water BERKELEY PARK VIEW ROAD Berkeley Pill 0 0 h -
Severn Trent Water STONEHOUSE - REGENT STREET (SDC4) (CSO) River Frome 0 0 h -
Severn Trent Water KINGS STANLEY - RYEFORD RD SOUTH (CSO) River Frome 0 0 h -
Severn Trent Water STROUD - BEARDS LANE (SDC 30) (CSO) River Frome 0 0 h 72 h
Severn Trent Water STROUD - GANNICOX ROAD X (SDC 55) (CSO) Painswick Stream 0 0 h -
Severn Trent Water STROUD - BATH ROAD (CSO) Nailsworth Stream 0 0 h 37 h
Wessex Water WOTTON-UNDER-EDGE BRICKFIELDS Dyers Brook 0 0 h -
Severn Trent Water DURSLEY - LISTERS CAR PARK (CSO) River Ewelme 0 0 h -
Severn Trent Water FRAMPTON STW (SSTO) River Severn 0 0 h -
Wessex Water WOTTON-UNDER-EDGE BRICKFIELDS Dyers Brook 0 0 h -
Severn Trent Water STROUD - SLAD RD/SPRINGFIELD RD (CSO) Slad Brook 0 0 h -
Severn Trent Water WOODCHESTER - BATH RD/STATION RD (CSO) Nailsworth Stream 0 0 h -

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.

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Analysing sewage pollution by the Water Industry

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