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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 Sittingbourne and Sheppey, 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) |
|---|---|---|---|---|---|
| Southern Water | SITTINGBOURNE SSO - 115437 | Milton Creek | 25 | 185 h 25m | 7.71 |
| Southern Water | QUEENBOROUGH SSO - 115430 | Swale Estuary | 14 | 132 h 13m | 5.5 |
| Southern Water | CHALKWELL ROAD SITTINGBOURNE CSO - 110227 | Milton Creek | 16 | 78 h 39m | 3.25 |
| Southern Water | ST PAULS STREET SITTINGBOURNE CSO - 107453 | Milton Creek | 22 | 54 h 21m | 2.25 |
| Southern Water | QUEENBOROUGH SSO - 115430 | Swale Estuary | 4 | 48 h 12m | 2 |
| Southern Water | SOUTH STREET QUEENBOROUGH CEO - 108732 | River Swale Estuary | 11 | 36 h 28m | 1.5 |
| Southern Water | WARDS HILL ROAD MINSTER IOS CEO - 107413 | Freshwater River | 5 | 34 h 21m | 1.42 |
| Southern Water | WILLIAM STREET RAINHAM CSO - 108024 | River Medway | 17 | 27 h 7m | 1.12 |
| Southern Water | BARROWS BROOK EASTCHURCH CEO - 108109 | Barrows Brook | 6 | 24 h 28m | 1 |
| Southern Water | WARDEN BAY CEO - 108114 | North Sea | 2 | 19 h 48m | 0.79 |
| Southern Water | EASTCHURCH SSO - 115408 | Windmill Creek | 4 | 17 h 28m | 0.71 |
| Southern Water | BRIELLE WAY WESTMINSTER CEO - 108810 | River Medway | 5 | 9 h 24m | 0.38 |
| Southern Water | LITTLE GROVES LEYSDOWN ON SEA CEO - 108117 | North Sea | 2 | 5 h 1m | 0.21 |
| Southern Water | RIDHAM AVENUE KEMSLEY CEO - 110184 | River Swale | 1 | 3 h 16m | 0.12 |
| Southern Water | EAST STREET SITTINGBOURNE CSO - 108631 | Non Tidal Milton Creek | 2 | 2 h 16m | 0.08 |
| Southern Water | ST PAULS STREET SITTINGBOURNE CSO - 107453 | Milton Creek | 3 | 1 h 58m | 0.04 |
| Southern Water | WESTCLIFFE DRIVE MINSTER IOS CEO - 108755 | North Sea | 1 | 1 h 46m | 0.04 |
| Southern Water | WILLIAM STREET RAINHAM CSO - 108024 | River Medway | 2 | 1 h 24m | 0.04 |
| Southern Water | BARROWS BROOK EASTCHURCH CEO - 108109 | Barrows Brook | 1 | 1 h 22m | 0.04 |
| Southern Water | MUSTARDS ROAD LEYSDOWN ON SEA CEO - 108113 | Warden Bay Drain | 1 | 0 h 40m | 0 |
| Southern Water | CROWN QUAY LANE SITTINGBOURNE CSO - 108623 | Milton Creek | 1 | 0 h | 0 |
| Southern Water | DROVE ROAD SHEERNESS CEO - 108727 | Drainage Minster Marshes | 0 | 0 h | 0 |
| Southern Water | WARDS HILL ROAD MINSTER IOS CEO - 107413 | Freshwater River | 0 | 0 h | 0 |
| Southern Water | LITTLE GROVES LEYSDOWN ON SEA CEO - 108117 | North Sea | 0 | 0 h | 0 |
| Southern Water | CHALKWELL ROAD SITTINGBOURNE CSO - 110227 | Milton Creek | 0 | 0 h | 0 |
| Southern Water | QUEENBOROUGH ROAD QUEENBOROUGH CEO - 108710 | River Swale | 0 | 0 h | 0 |
| Southern Water | CROWN QUAY LANE SITTINGBOURNE CSO - 108623 | Milton Creek | 0 | 0 h | 0 |
| Southern Water | WESTCLIFFE DRIVE MINSTER IOS CEO - 108755 | North Sea | 0 | 0 h | 0 |
| Southern Water | IWADE CEO - 108662 | Leading To River Swale | 0 | 0 h | 0 |
| Southern Water | WARDEN BAY CEO - 108114 | North Sea | 0 | 0 h | 0 |
| Southern Water | EASTCHURCH SSO - 115408 | Windmill Creek | 0 | 0 h | 0 |
| Southern Water | EAST STREET SITTINGBOURNE CSO - 108631 | Non Tidal Milton Creek | 0 | 0 h | 0 |
| Southern Water | RIDHAM AVENUE KEMSLEY CEO - 110184 | River Swale | 0 | 0 h | 0 |
| Southern Water | MUSTARDS ROAD LEYSDOWN ON SEA CEO - 108113 | Warden Bay Drain | 0 | 0 h | 0 |
| Southern Water | BRIELLE WAY WESTMINSTER CEO - 108810 | River Medway | 0 | 0 h | 0 |
| Southern Water | SOUTH STREET QUEENBOROUGH CEO - 108732 | River Swale Estuary | 0 | 0 h | 0 |
| Southern Water | SITTINGBOURNE SSO - 115437 | Milton Creek | 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