Mid Sussex was polluted by sewage 868 times in 2024
lasting 7,663 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Select the constituency from the drop-down
✔ means we have experimental daily data since 2023
Live data for Mid Sussex in 2025
So far this year (as of Apr 16, 2025, 6:30 PM) there has been 1,548 hours of sewage overflows
Totals for Mid Sussex in 2024
22 Sites polluted by Southern Water
868 sewage dumps
7,663 h duration
That's 10.64 months. On average 2.4 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Mid Sussex, 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.
     Monitoring Online      Monitoring Offline      Polluting      Potentially Polluting      Unknown
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Mid Sussex in 2024. 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 0 of the total 25 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water River Adur FOXHILL HAYWARDS HEATH CEO 115 1,714 99.8
Southern Water River Adur CUCKFIELD WWTW 86 1,077 99.9
Southern Water Freshwater River REAR OF 35 PELHAM ROAD 96 988 100
Southern Water Freshwater River LEWES ROAD LINDFIELD 86 979 99.9
Southern Water River Adur East GODDARDS GREEN WWTW 87 937 95.5
Southern Water Unnamed Herrings Stream WILLOW WAY HURSTPIERPOINT CSO 76 566 100
Southern Water River Adur FAIRPLACE HILL WPS 43 210 99.7
Southern Water Scrase Stream PASTURE HILL ROAD COMBINED SEWER 25 208 100
Southern Water Scrase Stream WILLIAM ALLEN LANE CSO 47 202 99.8
Southern Water River Ouse STAPLEFIELD WWTW 30 158 99.9
Southern Water Freshwater River HURSTPIERPOINT PUMPING STATION 40 157 99.7
Southern Water Freshwater River FREEKS LANE BURGESS HILL CSO 21 107 78.5
Southern Water Freshwater River BOLNEY SEWAGE PUMPING STATION 14 76 100
Southern Water River Adur FELRIDE HAYWARDS HEATH CSO 25 69 74.5
Southern Water River Adur Via Sws RUMBOLDS LANE HAYWARDS HEATH CEO 10 67 99.9
Southern Water Pook Bourne MALTHOUSE LANE PUMPING STATION 28 65 99.6
Southern Water Scrase Bridge Stream MILL GREEN ROAD HAYWARDS 9 25 100
Southern Water Freshwater River NOAHS ARK LANE PS 3 20 99.8
Southern Water Freshwater River PORTSMOUTH LANE CSO 6 18 99.9
Southern Water Of Scrase Bridge Stream WESTERN ROAD HAYWARDS HEATH CSO 7 6 100
Southern Water Freshwater River CUCKFIELD ROAD 13 4 97
Southern Water Pookbourne Stream PARK ROAD BURGESS HILL CSO 1 1 26.4
Southern Water Adjacent Stream. River Adur POYNINGS WWTW, BRIGHTON 0 0 99.8
Southern Water Freshwater River JUNCTION EASST OF FAIRPLACE HILL 0 0 34.8
Southern Water Controlled Sea LONDON ROAD BURGESS HILL CSO 0 0 95.6

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.