Sewage Map

Church Lawford STW Inlet (CSO)

Storm overflow operated by Severn Trent Water. The source names River Avon as the receiving water.

4
Spills in 2025
52.3
Recorded hours
100%
Monitor operation
6
Years listed

The reported spill count was 38 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

Church Lawford STW Inlet (CSO) recorded 4 spills in 2025. That is more than 30% of the 14,239 overflows in England with a reported figure, and ranks 9,334th nationally. Among Severn Trent Water overflows it ranks 1,496th of 2,431; the median Severn Trent Water overflow recorded 8 spills. On the Avon - ClaycotonYelvertoft Bk to conf R Sowe waterbody it ranks 7th of 13.

GroupRank by spillsMedian spillsMedian hours
This outlet–452.3
England9,334th of 14,2391122.3
Severn Trent Water1,496th of 2,431816.2
Avon - ClaycotonYelvertoft Bk to conf R Sowe7th of 13418.9

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

17202052202129202212202342202442025
From 2020 to 2025, the reported count went from 17 to 4 spills. The highest count was 52 in 2021 and the lowest was 4 in 2025.
YearSpillsDurationMonitor operationSource
2025452.3 hours100%Official data
202442125.3 hours99.7%Official data
20231216.7 hours99.8%Official data
20222967.3 hours99.6%Official data
20215298 hours99.5%Official data
20201722.8 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
Inlet storm overflow at a wastewater treatment works
Permit
S/10/25784/R
Activity reference
A2
Grid reference
SP4479076940
Waterbody ID
GB109054043920Official 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 “Inlet SO at WwTW”: inlet storm overflow at a wastewater treatment works. The overflow is at the inlet of a treatment works, where wastewater enters the 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 2.9 km west of the Long Lawford 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 Church Lawford STW Inlet (CSO)

Who operates Church Lawford STW Inlet (CSO)?
Severn Trent Water is the operator named in the annual record. The permit reference is S/10/25784/R.
Where does Church Lawford STW Inlet (CSO) discharge?
The source names River Avon as the receiving water. This does not show how far a discharge travelled.
How many times did Church Lawford STW Inlet (CSO) spill in 2025?
The 2025 return records 4 counted spill events and 52.3 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 100% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Church Lawford STW Inlet (CSO) 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 Church Lawford STW Inlet (CSO)?
The annual return lists the asset type as “Inlet SO at WwTW”, which means inlet storm overflow at a wastewater treatment works. The overflow is at the inlet of a treatment works, where wastewater enters the works.
How does Church Lawford STW Inlet (CSO) compare with other overflows?
Church Lawford STW Inlet (CSO) recorded 4 spills in 2025. That is more than 30% of the 14,239 overflows in England with a reported figure, and ranks 9,334th nationally. Among Severn Trent Water overflows it ranks 1,496th of 2,431; the median Severn Trent Water overflow recorded 8 spills. On the Avon - ClaycotonYelvertoft Bk to conf R Sowe waterbody it ranks 7th 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.