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Lewes - Live Sewage

Polluted by sewage 6,981 hours in 2026 , monitoring offline 705 hours , potential overflows 70 hours so far..

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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 Lewes 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 - 2,751 hours
Feb - 3,003 hours
Mar - 1,015 hours , 70 potential
Apr - 201 hours , 356 offline
May - 9 hours
Jun - 0 hours
Jul - 0 hours
Aug - 0 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Southern Water HAM LANE LEWES NEW SSO - 115974 Tidal River Ouse 112 2,218h 19m -
Southern Water DITCHLING SSO - 115798 Bevern Stream 55 1,057h 7m -
Southern Water NEAVES LANE RINGMER SSO - 115794 Bulldog Sewer / Glynde Reach 47 667h 11m -
Southern Water LAUGHTON CSO - 108272 Glynde Reach 42 512h 41m -
Southern Water RIPE CEO - 116043 Unnamed Glynde Reach/Ouse 30 441h 25m -
Southern Water DITTONS ROAD POLEGATE CSO - 111654 Drockmill Hill Gut 22 286h 18m -
Southern Water WILLINGDON NO 1 CSO - 108383 New Stream Ditch 34 237h 52m -
Southern Water ALFRISTON CEO - 108359 River Cuckmere 47 231h 24m -
Southern Water UPPER DICKER CEO - 108776 Freshwater River 25 200h 50m -
Southern Water WILLINGDON NO 2 CEO - 108777 New Stream Ditch 20 189h 28m -
Southern Water KINGSTON HOLLOW CEO - 115990 Celery Sewer River Ouse 27 159h 30m -
Southern Water OXENDEAN GARDENS WILLINGDON CSO - 108303 Willingdon Upper Sewer 21 143h 44m 70 h
Southern Water LYNHOLM ROAD POLEGATE NO.2 SSO - 115316 Mill Ditch 16 115h 50m -
Southern Water STRAWLANDS PLUMPTON GREEN CEO - 108350 Bevern Stream 12 115h 18m -
Southern Water NEWHAVEN MAIN CSO - 116065 English Channel 22 114h 25m -
Southern Water BERWICK SSO - 115848 River Cuckmere 9 78h 54m -
Southern Water SOUTH STREET DITCHLING CSO - 109528 Unnamed Herrings Stream 13 75h 42m -
Southern Water LYNHOLM ROAD POLEGATE NO.1 CSO - 115317 Mill Ditch 10 69h -
Southern Water SELMESTON CEO - 108884 Glynde Reach 4 17h 19m -
Southern Water GLYNDE SOUTH CEO - 108239 Glynde Reach River Ouse 2 15h 9m -
Southern Water COURT ROAD LEWES CEO - 110624 River Ouse 38 12h 22m -
Southern Water BEACH ROAD NEWHAVEN STORM TANK CSO - 108083 Tidal River Ouse 3 7h 25m -
Southern Water EAST DEAN SSO - 115829 Groundwaters Via Infiltration 3 7h 24m -
Southern Water CLIFF END SEAFORD CEO - 101257 English Channel 5 4h 55m -
Southern Water SOUTHFIELD POLEGATE CSO - 108339 Wannock Mill Stream 1 0h 58m -
Southern Water WANNOCK ROAD WANNOCK CSO - 109583 Wannock Mill Stream 1 0h 32m -
Southern Water MARTELLO ROAD SEAFORD CSO - 108081 English Channel At Seaford Bay 0 0h 704 h
Southern Water BERWICK SSO - 115848 River Cuckmere 0 0h -
Southern Water GLYNDE NORTH CEO - 108238 Glynde Reach 0 0h -
Southern Water EAST DEAN SSO - 115829 Groundwaters Via Infiltration 0 0h -
Southern Water LYNHOLM ROAD POLEGATE NO.1 CSO - 115317 Mill Ditch 0 0h -
Southern Water KINGSTON HOLLOW CEO - 115990 Celery Sewer River Ouse 0 0h -
Southern Water WANNOCK ROAD WANNOCK CSO - 109583 Wannock Mill Stream 0 0h -
Southern Water STRAWLANDS PLUMPTON GREEN CEO - 108350 Bevern Stream 0 0h -
Southern Water RIPE CEO - 116043 Unnamed Glynde Reach/Ouse 0 0h -
Southern Water WILLINGDON NO 1 CSO - 108383 New Stream Ditch 0 0h -
Southern Water LYNHOLM ROAD POLEGATE NO.2 SSO - 115316 Mill Ditch 0 0h -
Southern Water BEACH ROAD NEWHAVEN STORM TANK CSO - 108083 Tidal River Ouse 0 0h -
Southern Water ALFRISTON CEO - 108359 River Cuckmere 0 0h -
Southern Water COURT ROAD LEWES CEO - 110624 River Ouse 0 0h -
Southern Water NEAVES LANE RINGMER SSO - 115794 Bulldog Sewer / Glynde Reach 0 0h -
Southern Water SOUTH STREET DITCHLING CSO - 109528 Unnamed Herrings Stream 0 0h -
Southern Water NEWHAVEN MAIN CSO - 116065 English Channel 0 0h -
Southern Water SOUTHFIELD POLEGATE CSO - 108339 Wannock Mill Stream 0 0h -
Southern Water LAUGHTON CSO - 108272 Glynde Reach 0 0h -
Southern Water UPPER DICKER CEO - 108776 Freshwater River 0 0h -
Southern Water DITCHLING SSO - 115798 Bevern Stream 0 0h -
Southern Water SELMESTON CEO - 108884 Glynde Reach 0 0h -
Southern Water HAM LANE LEWES NEW SSO - 115974 Tidal River Ouse 0 0h -
Southern Water CLIFF END SEAFORD CEO - 101257 English Channel 0 0h -
Southern Water WILLINGDON NO 2 CEO - 108777 New Stream Ditch 0 0h -
Southern Water DITTONS ROAD POLEGATE CSO - 111654 Drockmill Hill Gut 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.