It's a Dirty Business

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Horsham - Live Sewage

Polluted by sewage 7,407 hours in 2026 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 Horsham 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.

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Constituencies near Horsham

Daily Data

Jan - 4,059 hours
Feb - 3,204 hours
Mar - 143 hours
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.
Please note: We don't have rainfall data for Wales. If you know where to source it please let us know!
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Southern Water MONKS GATE SSO - 115805 Nuthurst Stream 56 1,283 h 33m -
Southern Water MANNINGS HEATH SSO - 115739 River Arun 55 1,246 h 14m -
Southern Water BARNS GREEN SSO - 115748 Parsons Brook 41 825 h 56m -
Southern Water PARTRIDGE GREEN SSO - 115766 River Adur 41 816 h 57m -
Southern Water COWFOLD SSO - 115726 Cowfold Stream River Adur 40 749 h 21m -
Southern Water SLINFOLD SSO - 116044 River Arun 36 538 h 41m -
Southern Water BILLINGSHURST SSO - 115764 Par Brook 33 519 h 54m -
Southern Water HORSHAM NEW SSO - 115826 River Arun 26 413 h 27m -
Southern Water WARNHAM SSO - 115747 Boldings Brook, River Arun 28 410 h 27m -
Southern Water FARHALLS CRESCENT HORSHAM CSO - 102550 Freshwater River 14 316 h 43m -
Southern Water RUDGWICK RECREATION GROUND CSO - 108268 River Arun 14 108 h 41m -
Southern Water KERVES LANE HORSHAM CSO - 108321 Horn Brook 11 82 h 9m -
Thames Water Rusper SPS Baldhorns Brook 16 62 h -
Southern Water STANE STREET BILLINGSHURST CEO - 108189 Par Brook 4 28 h 2m -
Southern Water COWFOLD CEO - 115981 Cowfold Stream River Adur 1 5 h 42m -
Southern Water STANE STREET BILLINGSHURST CEO - 108189 Par Brook 0 0 h -
Southern Water SLINFOLD SSO - 116044 River Arun 0 0 h -
Southern Water MANNINGS HEATH SSO - 115739 River Arun 0 0 h -
Southern Water KERVES LANE HORSHAM CSO - 108321 Horn Brook 0 0 h -
Southern Water BILLINGSHURST SSO - 115764 Par Brook 0 0 h -
Southern Water PARTRIDGE GREEN SSO - 115766 River Adur 0 0 h -
Southern Water HORSHAM NEW SSO - 115826 River Arun 0 0 h -
Southern Water FARHALLS CRESCENT HORSHAM CSO - 102550 Freshwater River 0 0 h -
Southern Water BARNS GREEN SSO - 115748 Parsons Brook 0 0 h -
Southern Water COWFOLD SSO - 115726 Cowfold Stream River Adur 0 0 h -
Southern Water WARNHAM SSO - 115747 Boldings Brook, River Arun 0 0 h -
Thames Water Rusper SPS Baldhorns Brook 0 0 h -
Thames Water Colgate STW Ifield Brook 0 0 h -
Southern Water RUDGWICK RECREATION GROUND CSO - 108268 River Arun 0 0 h -
Southern Water MONKS GATE SSO - 115805 Nuthurst Stream 0 0 h -

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.

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