Sewage Map

GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838)

Storm overflow operated by United Utilities. The source names River Derwent as the receiving water.

85
Spills in 2025
416.6
Recorded hours
99.2%
Monitor operation
2
Years listed

The reported spill count was 7 higher 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

GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838) recorded 85 spills in 2025. That is more than 96% of the 14,239 overflows in England with a reported figure, and ranks 421st nationally. Among United Utilities overflows it ranks 127th of 2,270; the median United Utilities overflow recorded 15 spills. On the Derwent - conf Cocker to tidal waterbody it ranks 6th of 14.

GroupRank by spillsMedian spillsMedian hours
This outlet–85416.6
England421st of 14,2391122.3
United Utilities127th of 2,2701529.1
Derwent - conf Cocker to tidal6th of 1479.5289.4

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

782024852025
From 2024 to 2025, the reported count went from 78 to 85 spills. The highest count was 85 in 2025 and the lowest was 78 in 2024.
YearSpillsDurationMonitor operationSource
202585416.6 hours99.2%Official data
202478362.3 hours99.3%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
United Utilities
Outlet type
Inlet storm overflow at a wastewater treatment works
Permit
017570041
Activity reference
A3
Grid reference
NY0706030500
Waterbody ID
GB112075070520Official 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 1.1 km south of the Great Broughton and Little Broughton 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 GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838)

Who operates GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838)?
United Utilities is the operator named in the annual record. The permit reference is 017570041.
Where does GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838) discharge?
The source names River Derwent as the receiving water. This does not show how far a discharge travelled.
How many times did GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838) spill in 2025?
The 2025 return records 85 counted spill events and 416.6 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 99.2% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838) 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 GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838)?
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 GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838) compare with other overflows?
GREAT BROUGHTON WwTW, United Utilities (017570041 · A3 · UUP00838) recorded 85 spills in 2025. That is more than 96% of the 14,239 overflows in England with a reported figure, and ranks 421st nationally. Among United Utilities overflows it ranks 127th of 2,270; the median United Utilities overflow recorded 15 spills. On the Derwent - conf Cocker to tidal waterbody it ranks 6th of 14. 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.