Sewage Map

Hooley Bridge CSO

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

39
Spills in 2025
140.4
Recorded hours
99.6%
Monitor operation
2
Years listed
Current status unknown

Checking the latest monitor report…

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How it compares in 2025

Hooley Bridge CSO recorded 39 spills in 2025. That is more than 81% of the 14,239 overflows in England with a reported figure, and ranks 2,494th nationally. Among United Utilities overflows it ranks 599th of 2,270; the median United Utilities overflow recorded 15 spills. On the Roch (Spodden to Irwell) waterbody it ranks 9th of 23.

GroupRank by spillsMedian spillsMedian hours
This outlet–39140.4
England2,494th of 14,2391122.3
United Utilities599th of 2,2701529.1
Roch (Spodden to Irwell)9th of 233271.4

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

642024392025
From 2024 to 2025, the reported count went from 64 to 39 spills. The highest count was 64 in 2024 and the lowest was 39 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
202539140.4 hours99.6%Official data
202464193.1 hours89.4%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
United Utilities
Outlet type
Storm overflow on the sewer network
Permit
016993763
Activity reference
A1
Grid reference
SD8544011600
Waterbody ID
GB112069064600Official 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 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 1.6 km north of the Heywood 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 Hooley Bridge CSO

Who operates Hooley Bridge CSO?
United Utilities is the operator named in the annual record. The permit reference is 016993763.
Where does Hooley Bridge CSO discharge?
The source names The River Roch as the receiving water. This does not show how far a discharge travelled.
How many times did Hooley Bridge CSO spill in 2025?
The 2025 return records 39 counted spill events and 140.4 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 99.6% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Hooley Bridge 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 Hooley Bridge CSO?
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.
How does Hooley Bridge CSO compare with other overflows?
Hooley Bridge CSO recorded 39 spills in 2025. That is more than 81% of the 14,239 overflows in England with a reported figure, and ranks 2,494th nationally. Among United Utilities overflows it ranks 599th of 2,270; the median United Utilities overflow recorded 15 spills. On the Roch (Spodden to Irwell) waterbody it ranks 9th of 23. 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.