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Mid Sussex - 2025 Sewage

Polluted by sewage 4,495 hours in 2025 , monitoring offline 186 hours

© 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 Mid Sussex 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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Daily Data

Jan - 1,206 hours
Feb - 341 hours
Mar - 0 hours
Apr - 164 hours
May - 1 hours
Jun - 63 hours
Jul - 96 hours , 186 offline
Aug - 65 hours
Sept - 189 hours
Oct - 432 hours
Nov - 585 hours
Dec - 1,347 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Southern Water GODDARDS GREEN SSO - 115410 River Adur East 48 524h 59m -
Southern Water WILLOW WAY HURSTPIERPOINT CSO - 103302 Unnamed Herrings Stream 46 463h 34m -
Southern Water NEWBURY LANE CUCKFIELD SSO - 115919 River Adur 33 444h 22m -
Southern Water LEWES ROAD LINDFIELD CEO - 108273 Scrase Stream 36 308h 5m -
Southern Water GODDARDS GREEN SSO - 115410 River Adur East 18 307h 40m -
Southern Water NEWBURY LANE CUCKFIELD SSO - 115919 River Adur 13 262h 19m -
Southern Water PELHAM ROAD LINDFIELD CSO - 108308 Freshwater River 34 261h 4m 92 h
Southern Water FAIRPLACE HILL BURGESS HILL CEO - 108196 River Adur 22 247h 41m -
Southern Water LEWES ROAD LINDFIELD CEO - 108273 Scrase Stream 17 194h 10m -
Southern Water MALTHOUSE LANE BURGESS HILL CEO - 108281 Pook Bourne 19 174h 31m 93 h
Southern Water CUCKFIELD ROAD HURSTPIERPOINT CEO - 108259 Freshwater River 22 134h 35m -
Southern Water FREEKS LANE BURGESS HILL CSO - 108229 Freshwater River 8 92h 38m -
Southern Water MALTHOUSE LANE BURGESS HILL CEO - 108281 Pook Bourne 8 89h 44m -
Southern Water HAYLIND ROAD HAYWARDS HEATH CSO - 111829 Scrase Stream 22 89h 22m -
Southern Water WILLOW WAY HURSTPIERPOINT CSO - 103302 Unnamed Herrings Stream 13 87h 3m -
Southern Water FREEKS LANE BURGESS HILL CSO - 108229 Freshwater River 41 86h 28m -
Southern Water STAPLEFIELD CSO - 116128 River Ouse 13 85h 18m -
Southern Water PELHAM ROAD LINDFIELD CSO - 108308 Freshwater River 11 80h 16m -
Southern Water CUCKFIELD ROAD HURSTPIERPOINT CEO - 108259 Freshwater River 10 67h 18m -
Southern Water PENN CRESCENT HAYWARDS HEATH OUTSIDE XX CSO - 108309 Dark Water 24 59h 27m -
Southern Water MILL GREEN ROAD HAYWARDS HEATH CSO - 108287 Scrase Bridge Stream 10 55h 38m -
Southern Water FAIRPLACE HILL BURGESS HILL CEO - 108196 River Adur 8 53h 32m -
Southern Water PASTURE HILL ROAD CSO - 111608 Scrase Stream 10 52h 30m -
Southern Water STAPLEFIELD CSO - 116128 River Ouse 4 36h 43m -
Southern Water FELRIDE HAYWARDS HEATH CSO - 108805 River Adur 9 36h 4m -
Southern Water RUMBOLDS LANE HAYWARDS HEATH CSO - 108326 River Adur Via Sws 7 27h 56m -
Southern Water PASTURE HILL ROAD CSO - 111608 Scrase Stream 4 26h 23m -
Southern Water CHAPEL ROAD BOLNEY CEO - 108202 Freshwater River 5 25h 2m -
Southern Water CHAPEL ROAD BOLNEY CEO - 108202 Freshwater River 2 22h 45m -
Southern Water HAYLIND ROAD HAYWARDS HEATH CSO - 111829 Scrase Stream 6 17h 47m -
Southern Water FELRIDE HAYWARDS HEATH CSO - 108805 River Adur 4 17h 38m -
Southern Water PENN CRESCENT HAYWARDS HEATH OUTSIDE XX CSO - 108309 Dark Water 4 12h 43m -
Southern Water NOAHS ARK LANE LINDFIELD CEO - 108290 Freshwater River 1 12h 15m -
Southern Water RUMBOLDS LANE HAYWARDS HEATH CSO - 108326 River Adur Via Sws 2 11h 30m -
Southern Water PENN CRESCENT HAYWARDS HEATH OUTSIDE XX CSO - 108310 Scrase Stream 1 7h 18m -
Southern Water WESTERN ROAD HAYWARDS HEATH CSO - 108811 Of Scrase Bridge Stream 6 4h 41m -
Southern Water PORTSMOUTH LANE LINDFIELD CEO - 108316 Freshwater River 1 4h 15m -
Southern Water PORTSMOUTH LANE LINDFIELD CEO - 108316 Freshwater River 1 2h 39m -
Southern Water POYNINGS SSO - 116295 Adjacent Stream. River Adur 1 2h 37m -
Southern Water PENN CRESCENT HAYWARDS HEATH OUTSIDE XX CSO - 108310 Scrase Stream 2 2h 34m -
Southern Water POYNINGS SSO - 116295 Adjacent Stream. River Adur 2 1h 21m -
Southern Water CUCKFIELD ROAD HURSTPIERPOINT 112 CSO - 108218 Freshwater River 3 0h 46m -
Southern Water WESTERN ROAD HAYWARDS HEATH CSO - 108811 Of Scrase Bridge Stream 3 0h -
Southern Water PARK ROAD BURGESS HILL CSO - 109220 Pookbourne Stream 2 0h -
Southern Water PARK ROAD BURGESS HILL CSO - 109220 Pookbourne Stream 0 0h -
Southern Water MILL GREEN ROAD HAYWARDS HEATH CSO - 108287 Scrase Bridge Stream 0 0h -
Southern Water NOAHS ARK LANE LINDFIELD CEO - 108290 Freshwater River 0 0h -
Southern Water CUCKFIELD ROAD HURSTPIERPOINT 112 CSO - 108218 Freshwater River 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.