Mid Sussex was polluted by sewage 730 times in 2023
lasting 7,538 hours
- but monitoring was disabled in some locations, so could be more

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Mid Sussex in 2023
23 Sites polluted by Southern Water
730 sewage dumps
7,538 h duration
That's 10.47 months. On average 2 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Mid Sussex in 2023. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 1 of the total 28 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water River Adur FOXHILL HAYWARDS HEATH CEO 105 1,573 99.6
Southern Water River Adur CUCKFIELD WWTW 88 1,280 100
Southern Water Cockhaise Brook HORSTED KEYNES WWTW 85 1,274 99.7
Southern Water River Ouse SCAYNES HILL WWTW 64 675 99.65
Southern Water Freshwater River REAR OF 35 PELHAM ROAD 68 613 74.4
Southern Water Coombe Brook WEST HOATHLY S.T.W. 43 398 100
Southern Water Controlled Sea LONDON ROAD BURGESS HILL CSO 16 283 100
Southern Water Freshwater River NOAHS ARK LANE PS 15 250 99.6
Southern Water River Adur FAIRPLACE HILL WPS 41 228 99.9
Southern Water Scrase Stream WILLIAM ALLEN LANE CSO 50 223 99.6
Southern Water River Ouse STAPLEFIELD WWTW 33 185 100
Southern Water Scrase Stream PASTURE HILL ROAD COMBINED SEWER 20 166 99.7
Southern Water Freshwater River FREEKS LANE BURGESS HILL CSO 16 108 22.1
Southern Water River Adur Via Sws RUMBOLDS LANE HAYWARDS HEATH CEO 18 80 99.9
Southern Water Freshwater River BOLNEY SEWAGE PUMPING STATION 10 63 99.7
Southern Water Cockhaise Brook WEST HOATHLY CEO 24 54 96.1
Southern Water Sunnyside Stream LUXFORD LN-EAST GRINSTEAD S.T.W. 9 33 99.2
Southern Water Scrase Bridge Stream MILL GREEN ROAD HAYWARDS 8 28 88.5
Southern Water Freshwater River PORTSMOUTH LANE CSO 3 5 100
Southern Water R Medway DALLAWAY GDNS E GRINSTEAD CSO 9 5 65.2
Southern Water Unamed Medway Via Pond MOUNT NODDY CEM. EAST GRINSTEAD CSO 2 2 100
Southern Water Of Scrase Bridge Stream WESTERN ROAD HAYWARDS HEATH CSO 2 1 49.5
Southern Water Pookbourne Stream PARK ROAD BURGESS HILL CSO 1 1 23.4
Southern Water Shovelstrode Stream GLEAVE CLOSE EAST GRINSTEAD CEO 0 0 99.2
Southern Water Freshwater River LEWES ROAD LINDFIELD 0 0 99.9
Southern Water Freshwater River JUNCTION EASST OF FAIRPLACE HILL 0 0 74.9
Southern Water River Adur FELRIDE HAYWARDS HEATH CSO 0 0 0
Southern Water Eden Vale Stream CHARLWOODS ROAD EAST GRINSTEAD CSO 0 0 49.6

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. This 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.