Sewage Map

Outside 83 East Beach Selsey CEO - 115286

Storm overflow operated by Southern Water. The source names English Channel as the receiving water.

9
Spills in 2025
61.5
Recorded hours
99.7%
Monitor operation
2
Years listed
Current status unknown

Checking the latest monitor report…

Open official annual data ↗

How it compares in 2025

Outside 83 East Beach Selsey CEO - 115286 recorded 9 spills in 2025. That is more than 45% of the 14,239 overflows in England with a reported figure, and ranks 7,492nd nationally. Among Southern Water overflows it ranks 438th of 975; the median Southern Water overflow recorded 7 spills. On the Sussex waterbody it ranks 9th of 25.

GroupRank by spillsMedian spillsMedian hours
This outlet–961.5
England7,492nd of 14,2391122.3
Southern Water438th of 975717
Sussex9th of 2549.6

Rank 1 has the most spills. Equal counts share a rank. Only overflows with a reported count are ranked. Counts do not measure volume, so a higher rank does not mean more sewage.

Annual spill history

27202492025
From 2024 to 2025, the reported count went from 27 to 9 spills. The highest count was 27 in 2024 and the lowest was 9 in 2025. The monitor worked for less than 90% of 2024, so that count may be low.Amber bars mark years when the monitor worked for less than 90% of the year.
YearSpillsDurationMonitor operationSource
2025961.5 hours99.7%Official data
202427174.1 hours87.5%Low coverageOfficial data

A missing figure means the source did not provide a usable value. A zero is shown as zero. Monitor operation below 90% can make comparison less reliable.

Outlet details

Water company
Southern Water
Outlet type
Storm overflow on the sewer network
Permit
Permit applied for
Activity reference
Storm
Grid reference
SZ8658093347
Waterbody ID
GB640704540003Official waterbody record ↗
Location source
Official annual grid reference
Location precision
About 1 metres
Location note
Unknown

About the name and type

The annual return lists this asset as “SO on sewer network”: storm overflow on the sewer network. The return places this overflow on the sewer network.

The source name includes CEO, which Southern Water defines as Combined Emergency Overflow. The name and the listed type are separate source fields, so the name does not describe the layout of the site. Southern Water flow and spill reporting glossary ↗

The waterbody link opens the Environment Agency record for the exact ID in the return. It is a source lookup; we do not import its classification.

Where it is

The recorded position is about 1.1 km east of the Selsey reference point in the ONS built-up areas data.

Designated bathing waters within 3 km in a straight line:

Distance does not show that water from this outlet reaches a bathing water. Check the official bathing-water profile for its classification and advice.

Area and water pages

Check the official record

Public access to this outlet is unknown. Do not enter restricted land or use this page as a route guide.

Open official source ↗

Other outlet records nearby

Questions about Outside 83 East Beach Selsey CEO - 115286

Who operates Outside 83 East Beach Selsey CEO - 115286?
Southern Water is the operator named in the annual record. The permit reference is Permit applied for.
Where does Outside 83 East Beach Selsey CEO - 115286 discharge?
The source names English Channel as the receiving water. This does not show how far a discharge travelled.
How many times did Outside 83 East Beach Selsey CEO - 115286 spill in 2025?
The 2025 return records 9 counted spill events and 61.5 hours of recorded discharge. Spills are counted with the 12/24-hour method, so this is not a count of every start signal.
Can I trust the 2025 figures for this outlet?
The monitor worked for 99.7% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Outside 83 East Beach Selsey CEO - 115286 discharging right now?
This record is linked to a company live feed. The panel above shows the latest report we hold, with its date. That report can be old, and the monitor can be offline, so check the date before relying on it. A report that no discharge is taking place is not a water-quality result.
How accurate is the map marker?
The marker comes from the grid reference in the official annual return, which is accurate to about 1 metres. It shows the recorded outlet position, not the extent of any discharge.
What kind of outlet is Outside 83 East Beach Selsey CEO - 115286?
The annual return lists the asset type as “SO on sewer network”, which means storm overflow on the sewer network. The return places this overflow on the sewer network. The source name includes CEO, which Southern Water defines as Combined Emergency Overflow. The name and the listed type are separate source fields.
How does Outside 83 East Beach Selsey CEO - 115286 compare with other overflows?
Outside 83 East Beach Selsey CEO - 115286 recorded 9 spills in 2025. That is more than 45% of the 14,239 overflows in England with a reported figure, and ranks 7,492nd nationally. Among Southern Water overflows it ranks 438th of 975; the median Southern Water overflow recorded 7 spills. On the Sussex waterbody it ranks 9th of 25. Ranks compare counted spill events only. They do not compare volume or harm.
Does zero spills mean the water was safe?
No. A zero means the annual return recorded zero counted spill events for this outlet and year. It is not a water-quality test, and pollution can come from other sources.