Arundel and South Downs - Live Sewage

Polluted by sewage 17,348 hours in 2026 - That's 2.01 years , potential overflows 496 hours so far..

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Arundel and South Downs 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.

Totals for Arundel and South Downs in 2026

Sewage17,348 hours
Monitoring offline0 hours
Potential pollution496 hours
Storm overflows70

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Daily Data

Jan - 7,136 hours
Feb - 6,874 hours , 496 potential
Mar - 2,193 hours
Apr - 300 hours
May - 65 hours
Jun - 0 hours
Jul - 0 hours
Aug - 35 hours
Sept - 46 hours
Oct - 695 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Southern Water SOUTH HARTING SSO - 115830 River Rother 99 2,363h 29m -
Southern Water LIDSEY SSO - 115776 Lidsey Rife 99 1,788h 11m -
Southern Water BARNETTS BRIDGE GRAFFHAM CEO - 108187 River Rother 79 1,688h 26m -
Southern Water HENFIELD SSO - 115743 Chess Brook 52 1,138h 20m -
Southern Water ASHINGTON SSO - 115787 Honeybridge Striver R.Adur 55 1,112h 7m -
Southern Water PULBOROUGH SSO - 115429 River Stor 48 839h 49m -
Southern Water SOUTH AMBERSHAM SSO - 115439 River Rother 38 791h 5m -
Southern Water FERNHURST SSO - 115866 River Lod 46 713h 41m -
Southern Water ROGATE SSO - 115749 River Rother 40 659h 34m -
Southern Water SMALL DOLE SSO - 115768 Unnamed Tidal River Adur 39 619h 59m -
Southern Water MARSHALL CLOSE BARNHAM CSO - 108037 Barnham Rife 56 599h 26m -
Southern Water STORRINGTON SSO - 115931 River Stor 43 585h 49m 131 h
Southern Water BURY SSO - 115801 River Arun 30 567h 50m -
Southern Water STEYNING SSO - 115442 Black Sewer River Adur 32 559h 15m 364 h
Southern Water BREWHURST MILL LOXWOOD CEO - 108302 Loxwood Stream 38 529h 38m -
Southern Water WISBOROUGH GREEN SSO - 115793 River Kird 33 495h 9m -
Southern Water FORD ROAD ARUNDEL CEO - 108002 Tidal Waters Of River Arun 50 487h 39m -
Southern Water FITTLEWORTH SSO - 115744 River Rother 62 470h 9m -
Southern Water HOLLANDS ROAD HENFIELD CEO - 107409 River Adur 30 302h 31m -
Southern Water LOXWOOD SSO - 115416 Loxwood Stream 18 238h 54m -
Southern Water SINGLETON RELIEF CEO - 108335 River Lavant 10 150h -
Southern Water PETWORTH CSO - 115427 River Rother 27 131h 58m -
Southern Water LURGASHALL SSO - 115872 River Lod 11 123h 35m -
Southern Water MILL ROAD WEST CHILTINGTON CSO - 111802 River Chilt 15 110h 31m -
Southern Water THE WHARF MIDHURST CEO - 108361 Freshwater River 9 65h 8m -
Southern Water THE LEYS FERNHURST CSO - 108357 River Rother West 12 61h 12m -
Southern Water TOWN QUAY ARUNDEL CEO - 108012 Freshwater River 18 36h 55m -
Southern Water ABBEY ROAD STEYNING CSO - 107379 River Adur 11 36h 24m -
Southern Water GLEBE ROAD FERNHURST CSO - 108077 River Rother West 8 22h 48m -
Southern Water COLDWALTHAM CSO - 116054 River Arun 2 19h 6m -
Southern Water PETWORTH ROAD HAMBLEDON CEO - 109386 Un River Arun 3 18h 6m -
Southern Water Unknown Unknown 2 6h 19m -
Southern Water IPING LANE IPING NORTH CEO - 108261 Freshwater River 2 6h 6m -
Southern Water WYKEHAM CLOSE STEYNING CSO - 108251 River Adur 2 3h 40m -
Southern Water Unknown Unknown 1 3h 8m -
Southern Water BRIDGEFOOT KIRDFORD CEO - 108193 Freshwater River 1 2h 42m -
Southern Water ASHINGTON SSO - 115787 Honeybridge Striver R.Adur 0 0h -
Southern Water SOUTH AMBERSHAM SSO - 115439 River Rother 0 0h -
Southern Water COLDWALTHAM CSO - 116054 River Arun 0 0h -
Southern Water LIDSEY SSO - 115776 Lidsey Rife 0 0h -
Southern Water MARSHALL CLOSE BARNHAM CSO - 108037 Barnham Rife 0 0h -
Southern Water LURGASHALL SSO - 115872 River Lod 0 0h -
Southern Water THE WHARF MIDHURST CEO - 108361 Freshwater River 0 0h -
Southern Water BURY SSO - 115801 River Arun 0 0h -
Southern Water STORRINGTON SSO - 115931 River Stor 0 0h -
Southern Water THE LEYS FERNHURST CSO - 108357 River Rother West 0 0h -
Southern Water STEYNING SSO - 115442 Black Sewer River Adur 0 0h -
Southern Water WISBOROUGH GREEN SSO - 115793 River Kird 0 0h -
Southern Water PETWORTH ROAD HAMBLEDON CEO - 109386 Un River Arun 0 0h -
Southern Water FITTLEWORTH SSO - 115744 River Rother 0 0h -
Southern Water SMALL DOLE SSO - 115768 Unnamed Tidal River Adur 0 0h -
Southern Water PETWORTH CSO - 115427 River Rother 0 0h -
Southern Water HOLLANDS ROAD HENFIELD CEO - 107409 River Adur 0 0h -
Southern Water FORD ROAD ARUNDEL CEO - 108002 Tidal Waters Of River Arun 0 0h -
Southern Water PULBOROUGH SSO - 115429 River Stor 0 0h -
Southern Water SOUTH HARTING SSO - 115830 River Rother 0 0h -
Southern Water SINGLETON RELIEF CEO - 108335 River Lavant 0 0h -
Southern Water IPING LANE IPING NORTH CEO - 108261 Freshwater River 0 0h -
Southern Water LOXWOOD SSO - 115416 Loxwood Stream 0 0h -
Southern Water BREWHURST MILL LOXWOOD CEO - 108302 Loxwood Stream 0 0h -
Southern Water HENFIELD SSO - 115743 Chess Brook 0 0h -
Southern Water BARNETTS BRIDGE GRAFFHAM CEO - 108187 River Rother 0 0h -
Southern Water ROGATE SSO - 115749 River Rother 0 0h -
Southern Water BRIDGEFOOT KIRDFORD CEO - 108193 Freshwater River 0 0h -
Southern Water ABBEY ROAD STEYNING CSO - 107379 River Adur 0 0h -
Southern Water GLEBE ROAD FERNHURST CSO - 108077 River Rother West 0 0h -
Southern Water TOWN QUAY ARUNDEL CEO - 108012 Freshwater River 0 0h -
Southern Water FERNHURST SSO - 115866 River Lod 0 0h -
Southern Water Unknown Unknown 0 0h -
Southern Water MILL ROAD WEST CHILTINGTON CSO - 111802 River Chilt 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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.