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Polluted by sewage 533 times in 2024 lasting 6,274 hours
So far this year (as of May 9, 2025, 5:00 AM) there has been 624 hours of sewage overflows
Your local MP is Alison Griffiths (Conservative) - Find out more about their interests, donors, and voting at They Work For You
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Bognor Regis and Littlehampton, 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.
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Donate NowHere are all the reported sewage overflow totals for Bognor Regis and Littlehampton 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 all the declared CSOs appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Southern Water | Controlled Sea | LITTLEHAMPTON WWPS | 154 | 2,604 | 100 |
| Southern Water | Tidal River Arun | SOUTH TERRACE LITTLEHAMPTON CSO | 122 | 1,977 | 100 |
| Southern Water | Controlled Sea | BOGNOR REGIS WASTEWATER PS | 136 | 1,270 | 100 |
| Southern Water | Tidal River Arun | CSO EAST ST/AVON RD LITTLEHAMPTON | 66 | 141 | 99.9 |
| Southern Water | Freshwater River | NEW(BOGNOR MAIN) CSO | 20 | 111 | 99.9 |
| Southern Water | Ryebank Rife Via Surface Sewer | HOBBS COTTAGE CSO, CLIMPING STREET | 8 | 60 | 100 |
| Southern Water | Controlled Sea | ALDWICK AVENUE CSO | 4 | 39 | 100 |
| Southern Water | Freshwater River | SHRIPNEY ROAD P.S. | 3 | 26 | 100 |
| Southern Water | Ryebank Rife/River Arun | ANCTON LANE MIDDLETON-ON-SEA CSO | 3 | 15 | 99.9 |
| Southern Water | Freshwater River | GLOUCESTER ROAD CSO | 7 | 9 | 99.8 |
| Southern Water | Controlled Sea | ALDWICK ROAD/VICTORIA ROAD CSO | 4 | 7 | 99.6 |
| Southern Water | Bartons Lane Ald | CHICHESTER ROAD BOGNOR CSO | 4 | 6 | 99.8 |
| Southern Water | Controlled Sea | BROADMARK PUMPING STATION | 2 | 2 | 100 |
| Southern Water | Freshwater River | WATER LANE/ARUNDEL ROAD | 0 | 0 | 100 |
| Southern Water | Controlled Sea English Channel | CARLTON AVENUE BOGNOR CSO | 0 | 0 | 98.4 |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org