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Polluted by sewage 3,352 hours in 2025
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We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Droitwich and Evesham, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
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Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| Severn Trent Water | CROWLE - WORCESTER (STW) | Bow Brook | 47 | 701 h 53m | 29.21 |
| Severn Trent Water | LOWER MOOR STW (CSO) | River Avon | 19 | 313 h 10m | 13.04 |
| Severn Trent Water | FLYFORD FLAVELL - GLEBE FARM SPS (CSO) | Piddle Brook | 19 | 159 h 53m | 6.62 |
| Severn Trent Water | STORM OVERFLOW-3PG | River Salwarpe | 17 | 151 h 51m | 6.29 |
| Severn Trent Water | EVESHAM STW (SSTO) | River Avon | 13 | 141 h 12m | 5.88 |
| Severn Trent Water | PERSHORE - WYRE ROAD PS (CSO) | River Avon | 14 | 137 h 50m | 5.71 |
| Severn Trent Water | FLYFORD FLAVELL - GLEBE FARM SPS (CSO) | Piddle Brook | 9 | 121 h 22m | 5.04 |
| Severn Trent Water | CLEEVE PRIOR - QUARRY LANE (SSO) | Littleton Brook | 9 | 109 h 47m | 4.54 |
| Severn Trent Water | LITTLEWORTH STW (CSO) | Stoulton Brook | 12 | 105 h 28m | 4.38 |
| Severn Trent Water | EVESHAM - ABBEY ROAD (CSO) | River Avon | 9 | 92 h 18m | 3.83 |
| Severn Trent Water | OMBERSLEY STW (SSTO) | Elmley/Hadley Brook | 13 | 80 h 56m | 3.33 |
| Severn Trent Water | HONEYBOURNE STW (SSTO) | Broadway Brook | 5 | 80 h 39m | 3.33 |
| Severn Trent Water | BROADWAY (STW) | Badsey Brook | 11 | 74 h 36m | 3.08 |
| Severn Trent Water | BROADWAY - CHELTENHAM ROAD (CSO) | Badsey Brook | 16 | 58 h 44m | 2.42 |
| Severn Trent Water | EVESHAM STW (SSTO) | River Avon | 6 | 58 h 11m | 2.42 |
| Severn Trent Water | EVESHAM - AVON ST\BLIND LANE (CSO) | River Avon | 28 | 53 h 39m | 2.21 |
| Severn Trent Water | HONEYBOURNE STW (SSTO) | Broadway Brook | 5 | 52 h 42m | 2.17 |
| Severn Trent Water | PERSHORE - WYRE ROAD PS (CSO) | River Avon | 5 | 50 h 8m | 2.08 |
| Severn Trent Water | PEBWORTH - BROAD MARSTON ROAD (CSO) | Noleham Brook | 6 | 48 h 7m | 2 |
| Severn Trent Water | BLACKMINSTER (STW) | Broadway Brook | 4 | 47 h 41m | 1.96 |
| Severn Trent Water | STORM OVERFLOW-3PG | River Salwarpe | 7 | 46 h 48m | 1.92 |
| Severn Trent Water | EVESHAM - HAMPTON SYPHON XX (CSO) | River Avon | 5 | 46 h 37m | 1.92 |
| Severn Trent Water | FERNHILL HEATH - KENNELS LANE (CSO) | Martin Brook | 11 | 42 h 40m | 1.75 |
| Severn Trent Water | BISHAMPTON STW (CSO) | Whitsun Brook | 13 | 40 h 19m | 1.67 |
| Severn Trent Water | WHITTINGTON - CHURCH LANE (WORCS) (CSO) | Bow Brook | 12 | 40 h | 1.67 |
| Severn Trent Water | BROADWAY - CHELTENHAM ROAD (CSO) | Badsey Brook | 11 | 39 h 33m | 1.62 |
| Severn Trent Water | LITTLEWORTH STW (CSO) | Stoulton Brook | 5 | 34 h 18m | 1.42 |
| Severn Trent Water | EVESHAM - BATTLETON SYPHON XX (CSO) | River Avon | 10 | 33 h 23m | 1.38 |
| Severn Trent Water | PEOPLETON RBC STW (SSTO) | Bow Brook | 11 | 28 h 18m | 1.17 |
| Severn Trent Water | SOUTH LITTLETON - FARM LANE (CSO) | Littleton Brook | 5 | 25 h 59m | 1.04 |
| Severn Trent Water | CROPTHORNE - MAIN STREET (SSO) | River Avon | 2 | 25 h 11m | 1.04 |
| Severn Trent Water | DROITWICH - STATION ROAD (CSO) | Martin Brook | 14 | 23 h 36m | 0.96 |
| Severn Trent Water | SOUTH LITTLETON - FARM LANE (CSO) | Littleton Brook | 5 | 21 h 46m | 0.88 |
| Severn Trent Water | CROWLE - WORCESTER (STW) | Bow Brook | 4 | 21 h 37m | 0.88 |
| Severn Trent Water | WICKHAMFORD - GOLDEN LANE (CSO) | Badsey Brook | 2 | 21 h 13m | 0.88 |
| Severn Trent Water | BLACKMINSTER (STW) | Broadway Brook | 2 | 21 h 1m | 0.88 |
| Severn Trent Water | CROPTHORNE - MAIN STREET (SSO) | River Avon | 4 | 18 h 40m | 0.75 |
| Severn Trent Water | WICKHAMFORD - GOLDEN LANE (CSO) | Badsey Brook | 2 | 16 h 51m | 0.67 |
| Severn Trent Water | BISHAMPTON STW (CSO) | Whitsun Brook | 3 | 16 h 14m | 0.67 |
| Severn Trent Water | EVESHAM - AVON ST\BLIND LANE (CSO) | River Avon | 10 | 15 h 6m | 0.62 |
| Severn Trent Water | BROADWAY (STW) | Badsey Brook | 5 | 13 h 34m | 0.54 |
| Severn Trent Water | CLEEVE PRIOR - QUARRY LANE (SSO) | Littleton Brook | 2 | 12 h | 0.5 |
| Severn Trent Water | EVESHAM - PERSHORE RD (CSO) | River Isbourne | 16 | 11 h 55m | 0.46 |
| Severn Trent Water | EVESHAM - BATTLETON SYPHON XX (CSO) | River Avon | 3 | 11 h 35m | 0.46 |
| Severn Trent Water | BADSEY - HIGH STREET/ROYAL BRITISH LEGION (CSO) | Badsey Brook | 2 | 11 h 25m | 0.46 |
| Severn Trent Water | EVESHAM - HAMPTON SYPHON XX (CSO) | River Avon | 2 | 11 h | 0.46 |
| Severn Trent Water | EVESHAM - ABBEY ROAD (CSO) | River Avon | 3 | 10 h 17m | 0.42 |
| Severn Trent Water | BADSEY - HIGH STREET/ROYAL BRITISH LEGION (CSO) | Badsey Brook | 3 | 10 h 8m | 0.42 |
| Severn Trent Water | PEBWORTH - BROAD MARSTON ROAD (CSO) | Noleham Brook | 2 | 9 h 26m | 0.38 |
| Severn Trent Water | EVESHAM - WATERSIDE (CSO) | River Avon | 3 | 8 h 11m | 0.33 |
| Severn Trent Water | PEOPLETON RBC STW (SSTO) | Bow Brook | 1 | 5 h 36m | 0.21 |
| Severn Trent Water | FERNHILL HEATH - KENNELS LANE (CSO) | Martin Brook | 1 | 5 h 20m | 0.21 |
| Severn Trent Water | TIBBERTON - PLOUGH ROAD (CSO) | Crowle Brook | 3 | 5 h 16m | 0.21 |
| Severn Trent Water | EVESHAM - PERSHORE RD (CSO) | River Isbourne | 4 | 2 h 22m | 0.08 |
| Severn Trent Water | DROITWICH - STATION ROAD (CSO) | Martin Brook | 3 | 1 h 50m | 0.04 |
| Severn Trent Water | WHITTINGTON - CHURCH LANE (WORCS) (CSO) | Bow Brook | 1 | 1 h 47m | 0.04 |
| Severn Trent Water | EVESHAM - LOWER LEYS XX (CSO) | River Avon | 5 | 1 h 10m | 0.04 |
| Severn Trent Water | EVESHAM - BURFORD ROAD 8/9 (CSO) | River Avon | 2 | 0 h 15m | 0 |
| Severn Trent Water | EVESHAM - WATERSIDE (CSO) | River Avon | 0 | 0 h | 0 |
| Severn Trent Water | EVESHAM - LOWER LEYS XX (CSO) | River Avon | 0 | 0 h | 0 |
| Severn Trent Water | EVESHAM - BOAT LANE (CSO) | River Avon | 0 | 0 h | 0 |
| Severn Trent Water | DRAKES BROUGHTON - LEWIS CLOSE (SSO) | Bow Brook | 0 | 0 h | 0 |
| Severn Trent Water | FLYFORD FLAVELL STW (STW) | Piddle Brook | 0 | 0 h | 0 |
| Severn Trent Water | EVESHAM - BOAT LANE (CSO) | River Avon | 0 | 0 h | 0 |
| Severn Trent Water | UPTON SNODSBURY STW (CSO) | Piddle Brook | 0 | 0 h | 0 |
| Severn Trent Water | LOWER MOOR STW (CSO) | River Avon | 0 | 0 h | 0 |
| Severn Trent Water | HARTLEBURY - PARK FARM (CSO) | River Severn | 0 | 0 h | 0 |
| Severn Trent Water | EVESHAM - WORCESTER ROAD (SSO) | River Avon | 0 | 0 h | 0 |
| Severn Trent Water | OMBERSLEY STW (SSTO) | Elmley/Hadley Brook | 0 | 0 h | 0 |
| Severn Trent Water | DRAKES BROUGHTON - LEWIS CLOSE (SSO) | Bow Brook | 0 | 0 h | 0 |
| Severn Trent Water | EVESHAM - BURFORD ROAD 8/9 (CSO) | River Avon | 0 | 0 h | 0 |
| Severn Trent Water | EVESHAM - WORCESTER ROAD (SSO) | River Avon | 0 | 0 h | 0 |
| Severn Trent Water | HARTLEBURY - PARK FARM (CSO) | River Severn | 0 | 0 h | 0 |
| Severn Trent Water | FLYFORD FLAVELL STW (STW) | Piddle Brook | 0 | 0 h | 0 |
| Severn Trent Water | TIBBERTON - PLOUGH ROAD (CSO) | Crowle Brook | 0 | 0 h | 0 |
| Severn Trent Water | EVESHAM - COMMON ROAD X (CSO) | River Avon | 0 | 0 h | 0 |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org