Chichester was polluted by sewage 1,692 times in 2023
lasting 29,212 hours - that's 3.38 years!

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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 Chichester in 2023
25 Sites polluted by Southern Water
1,692 sewage dumps
29,212 h duration
That's 3.38 years! On average 4.6 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Chichester 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 0 of the total 28 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 Lavant LAVANT WWTW 286 6,542 99.7
Southern Water Chichester Harbour CHICHESTER WWTW 227 3,939 99
Southern Water Loxwood Stream LOXWOOD WWTW BREWHURST LANE LOXWOOD 146 3,148 99.6
Southern Water River Rother SOUTH HARTING WWTW 111 2,164 99.8
Southern Water River Kird NORTHCHAPEL S.T.W. 101 1,905 100
Southern Water Chichester Harbour Channel BOSHAM WWTW 105 1,762 99.7
Southern Water Aldingbourne Rife TANGMERE WASTEWATER TREATMENT WORKS 77 1,442 99.7
Southern Water Broad Rife SIDLESHAM WWTW 84 1,397 99.7
Southern Water Chichester Hbr Via Little Deep THORNHAM WWTW 78 1,147 99.7
Southern Water Ham Brook CSO BREAKERS YARD NUTBOURNE 55 857 99.7
Southern Water Loxwood Stream ONSLOW ARMS PUMPING STATION 63 836 99.7
Southern Water River Rother ROGATE WWTW 60 772 100
Southern Water Pagham Rife NORTH MUNDHAM WPS (PAGHAM ROAD) 40 682 99.7
Southern Water River Lod FERNHURST WWTW 49 652 99.5
Southern Water Chichester Harbour TAYLORS LANE BOSHAM, WWPS 32 504 99.7
Southern Water Chichester Harbour MAIN ROAD FISHBOURNE CSO 29 278 99.6
Southern Water River Rother West GLEBE ROAD FERNHURST CSO 30 222 100
Southern Water River Lod LURGASHALL WWTW 21 212 99.5
Southern Water To Chichester Harbour CHIDHAM LANE SPS CHIDHAM 18 185 99.8
Southern Water River Lavant PUMPING STATION IN FIELD NUMBER 19 175 99.1
Southern Water Freshwater River IPING NORT CSO 21 149 92.7
Southern Water Bremere Rife MAIN ROAD HUNSTON CEO 9 98 99.7
Southern Water River Rother West THE LEYS FENHURST CSO 23 86 53.5
Southern Water Freshwater River CSO AT THE WHARF PS SOUTH AMBERSHAM 7 46 99.7
Southern Water English Channel EAST BEACH ROAD SELSEY CSO 1 0 54
Southern Water English Channel CHURCH ROAD SELSEY CSO 0 0 53.3
Southern Water River Ems LUMLEY ROAD PUMPING STATION 0 0 100
Southern Water Ham Brook SCHOOL LANE PS 0 0 99.7

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.