Sewage Map

Hazelwood Road combined sewer overflow (435GY) (STK0094)

Storm overflow operated by United Utilities. The source names Poise Brook Tributary Rvr Goyt as the receiving water.

7
Spills in 2025
10.7
Recorded hours
84%
Monitor operation
2
Years listed
Current status unknown

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How it compares in 2025

Hazelwood Road combined sewer overflow (435GY) (STK0094) recorded 7 spills in 2025. That is more than 40% of the 14,239 overflows in England with a reported figure, and ranks 8,130th nationally. Among United Utilities overflows it ranks 1,419th of 2,270; the median United Utilities overflow recorded 15 spills. On the Poise Brook waterbody it ranks 3rd of 5.

The monitor worked for 84% of 2025, so this count may be low and its rank may understate activity.

GroupRank by spillsMedian spillsMedian hours
This outlet–710.7
England8,130th of 14,2391122.3
United Utilities1,419th of 2,2701529.1
Poise Brook3rd of 5724.9

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

31202472025
From 2024 to 2025, the reported count went from 31 to 7 spills. The highest count was 31 in 2024 and the lowest was 7 in 2025. The monitor worked for less than 90% of 2025, so that count may be low.Amber bars mark years when the monitor worked for less than 90% of the year.
YearSpillsDurationMonitor operationSource
2025710.7 hours84%Low coverageOfficial data
20243119.7 hours92.1%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
Storm overflow on the sewer network
Permit
016982761
Activity reference
A1
Grid reference
SJ9269087210
Waterbody ID
GB112069060950Official 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 0.8 km north-east of the Hazel Grove 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 Hazelwood Road combined sewer overflow (435GY) (STK0094)

Who operates Hazelwood Road combined sewer overflow (435GY) (STK0094)?
United Utilities is the operator named in the annual record. The permit reference is 016982761.
Where does Hazelwood Road combined sewer overflow (435GY) (STK0094) discharge?
The source names Poise Brook Tributary Rvr Goyt as the receiving water. This does not show how far a discharge travelled.
How many times did Hazelwood Road combined sewer overflow (435GY) (STK0094) spill in 2025?
The 2025 return records 7 counted spill events and 10.7 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 84% of the reporting period. Below 90%, some events can be missed, so the count and hours may understate activity.
Is Hazelwood Road combined sewer overflow (435GY) (STK0094) 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 Hazelwood Road combined sewer overflow (435GY) (STK0094)?
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 Hazelwood Road combined sewer overflow (435GY) (STK0094) compare with other overflows?
Hazelwood Road combined sewer overflow (435GY) (STK0094) recorded 7 spills in 2025. That is more than 40% of the 14,239 overflows in England with a reported figure, and ranks 8,130th nationally. Among United Utilities overflows it ranks 1,419th of 2,270; the median United Utilities overflow recorded 15 spills. On the Poise Brook waterbody it ranks 3rd of 5. 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.