Arundel and South Downs

Polluted by sewage 2,111 times in 2024 lasting 28,888 hours - That's 3.34 years!

Monitoring was disabled in some locations, so could be more

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✔ means we have experimental daily data since 2023

Live data for Arundel and South Downs in 2025

So far this year (as of Apr 30, 2025, 9:15 AM) there has been 8,092 hours of sewage overflows - that's 0.94 years!

Totals for Arundel and South Downs in 2024

31 Sites polluted by Southern Water

2,111 sewage dumps

28,888 hours duration

That's 3.34 years! On average 5.8 times a day

Change Over Time

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Constituencies near Arundel and South Downs

Waterways in Arundel and South Downs

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Arundel and South Downs, 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.

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Pollution Summary 2024

Here are all the reported sewage overflow totals for Arundel and South Downs 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 1 of the total 34 CSO locations had reporting enabled for less than half the year. Of these 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Southern Water	Lidsey Rife	LIDSEY WWTW	226	4,059	100
Southern Water	River Rother	SOUTH HARTING WWTW	172	3,583	98.7
Southern Water	River Lavant	PUMPING STATION IN FIELD NUMBER	146	3,206	99.9
Southern Water	River Rother	BARNETTS BRIDGE GRAFFHAM CEO	125	2,513	100
Southern Water	Loxwood Stream	LOXWOOD WWTW BREWHURST LANE LOXWOOD	121	2,089	98.9
Southern Water	Chess Brook	HENFIELD WASTEWATER TREATMENT WORKS	111	1,357	99.7
Southern Water	Honeybridge Striver R.Adur	ASHINGTON WWTW, LONDON ROAD	113	1,284	99.9
Southern Water	Barnham Rife	MARSHALL CLOSE CSO - BARNHAM	124	1,150	100
Southern Water	River Kird	NORTHCHAPEL S.T.W.	83	1,104	99.8
Southern Water	Unnamed Tidal River Adur	SMALL DOLE WWTW	75	1,030	99.8
Southern Water	River Rother	FITTLEWORTH S.T.W.	117	964	99.9
Southern Water	River Arun	BURY WWTW	49	921	99.8
Southern Water	Loxwood Stream	ONSLOW ARMS PUMPING STATION	57	803	100
Southern Water	River Rother	SOUTH AMBERSHAM WWTW	58	718	99.9
Southern Water	River Rother	ROGATE WWTW	59	627	98.8
Southern Water	Black Sewer River Adur	STEYNING WWTW	39	599	98.9
Southern Water	River Stor	STORRINGTON WWTW, STORRINGTON	45	569	98
Southern Water	River Lod	FERNHURST WWTW	54	522	98.2
Southern Water	River Kird	WISBOROUGH GREEN WWTW	40	457	99.8
Southern Water	Tidal Waters Of River Arun	ARUNDEL PUMPING STATION	92	367	99.7
Southern Water	Freshwater River	HOLLANDS ROAD PUMPING STATION	61	301	99.7
Southern Water	River Lod	LURGASHALL WWTW	18	164	100
Southern Water	River Rother West	THE LEYS FENHURST CSO	31	155	90.5
Southern Water	Freshwater River	IPING NORT CSO	24	150	100
Southern Water	River Adur	ABBEY ROAD STEYNING CSO	26	66	99.9
Southern Water	River Rother West	GLEBE ROAD FERNHURST CSO	16	44	83.7
Southern Water	River Rother	PETWORTH WASTEWATER TREATMENT WORKS	8	25	99.9
Southern Water	Freshwater River	CSO AT TOWN QUAY PS ARUNDEL	14	22	99.6
Southern Water	Freshwater River	BRIDGEFOOT PUMPING STATION	2	11	100
Southern Water	Freshwater River	KINGSBARN LANE PUMPING STATION	4	7	99.8
Southern Water	Freshwater River	CSO AT THE WHARF PS SOUTH AMBERSHAM	1	7	100
Southern Water	River Arun	COLDWALTHAM WWTW	0	0	100
Southern Water	River Adur	WYKEHAM CLOSE STEYNING CSO	0	0	0
Southern Water	River Adur	TOTTINGTON DRIVE SMALL DOLE CEO	0	0	100

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.

Analysing sewage pollution by the Water Industry

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Arundel and South Downs Polluted by sewage 2,111 times in 2024 lasting 28,888 hours - That's 3.34 years! Monitoring was disabled in some locations, so could be more

Arundel and South Downs