Sewage Map

Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403)

Storm overflow operated by Northumbrian Water. The source names River Skerne as the receiving water.

30
Spills in 2025
247.5
Recorded hours
99.9%
Monitor operation
2
Years listed

The reported spill count was 8 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

Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403) recorded 30 spills in 2025. That is more than 74% of the 14,239 overflows in England with a reported figure, and ranks 3,488th nationally. Among Northumbrian Water overflows it ranks 338th of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Skerne from Source to Carrs waterbody it ranks 3rd of 10.

GroupRank by spillsMedian spillsMedian hours
This outlet–30247.5
England3,488th of 14,2391122.3
Northumbrian Water338th of 1,5591115.6
Skerne from Source to Carrs3rd of 102157

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

382024302025
From 2024 to 2025, the reported count went from 38 to 30 spills. The highest count was 38 in 2024 and the lowest was 30 in 2025.
YearSpillsDurationMonitor operationSource
202530247.5 hours99.9%Official data
202438419.2 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
Northumbrian Water
Outlet type
Storm tank at a wastewater treatment works
Permit
25/03/1232
Activity reference
A2
Grid reference
NZ3760334523
Waterbody ID
GB103025076070Official 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 0.9 km north-east of the Trimdon 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.

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Other outlet records nearby

Questions about Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403)

Who operates Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403)?
Northumbrian Water is the operator named in the annual record. The permit reference is 25/03/1232.
Where does Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403) discharge?
The source names River Skerne as the receiving water. This does not show how far a discharge travelled.
How many times did Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403) spill in 2025?
The 2025 return records 30 counted spill events and 247.5 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 99.9% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403) 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 Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403)?
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 Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403) compare with other overflows?
Trimdon Village STW, Northumbrian Water (25/03/1232 · A2 · NWL01403) recorded 30 spills in 2025. That is more than 74% of the 14,239 overflows in England with a reported figure, and ranks 3,488th nationally. Among Northumbrian Water overflows it ranks 338th of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Skerne from Source to Carrs waterbody it ranks 3rd of 10. 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.