Sewage Map

Barnhurst STW (SSTO)

Storm overflow operated by Severn Trent Water. The source names Various - See Outlets as the receiving water.

2
Spills in 2025
13.7
Recorded hours
99.9%
Monitor operation
6
Years listed

The reported spill count was 15 lower than in 2024. This compares event counts, not discharge volume.

Current status unknown

Checking the latest monitor report…

Open official annual data ↗

How it compares in 2025

Barnhurst STW (SSTO) recorded 2 spills in 2025. That is more than 21% of the 14,239 overflows in England with a reported figure, and ranks 10,428th nationally. Among Severn Trent Water overflows it ranks 1,711th of 2,431; the median Severn Trent Water overflow recorded 8 spills. On the Penk from Source toSaredon Brook waterbody it ranks 9th of 13.

GroupRank by spillsMedian spillsMedian hours
This outlet–213.7
England10,428th of 14,2391122.3
Severn Trent Water1,711th of 2,431816.2
Penk from Source toSaredon Brook9th of 1357.1

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

102020532021520227202317202422025
From 2020 to 2025, the reported count went from 10 to 2 spills. The highest count was 53 in 2021 and the lowest was 2 in 2025. The monitor worked for less than 90% of 2021, 2022, 2023, so those counts may be low.Amber bars mark years when the monitor worked for less than 90% of the year.
YearSpillsDurationMonitor operationSource
2025213.7 hours99.9%Official data
202417110.5 hours100%Official data
2023751 hours87.4%Low coverageOfficial data
202255.5 hours85.7%Low coverageOfficial data
202153997.6 hours48.9%Low coverageOfficial data
202010115.4 hours100%Official 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
Severn Trent Water
Outlet type
Storm tank at a wastewater treatment works
Permit
S/06/55227/R
Activity reference
A2
Grid reference
SJ8973902637
Waterbody ID
GB104028046680Official 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 “Storm tank at WwTW”: storm tank at a wastewater treatment works. The overflow comes from storm storage at a treatment works.

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 2.7 km east of the Codsall reference point in the ONS built-up areas data.

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 Barnhurst STW (SSTO)

Who operates Barnhurst STW (SSTO)?
Severn Trent Water is the operator named in the annual record. The permit reference is S/06/55227/R.
Where does Barnhurst STW (SSTO) discharge?
The source names Various - See Outlets as the receiving water. This does not show how far a discharge travelled.
How many times did Barnhurst STW (SSTO) spill in 2025?
The 2025 return records 2 counted spill events and 13.7 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 99.9% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Barnhurst STW (SSTO) 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 Barnhurst STW (SSTO)?
The annual return lists the asset type as “Storm tank at WwTW”, which means storm tank at a wastewater treatment works. The overflow comes from storm storage at a treatment works.
How does Barnhurst STW (SSTO) compare with other overflows?
Barnhurst STW (SSTO) recorded 2 spills in 2025. That is more than 21% of the 14,239 overflows in England with a reported figure, and ranks 10,428th nationally. Among Severn Trent Water overflows it ranks 1,711th of 2,431; the median Severn Trent Water overflow recorded 8 spills. On the Penk from Source toSaredon Brook waterbody it ranks 9th of 13. 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.