Sewage Map

Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311)

Storm overflow operated by United Utilities. The source names Dane in Shaw Brook as the receiving water.

30
Spills in 2025
83.6
Recorded hours
99.5%
Monitor operation
2
Years listed

The reported spill count was 9 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

Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311) 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 United Utilities overflows it ranks 776th of 2,270; the median United Utilities overflow recorded 15 spills. On the Biddulph Brook waterbody it ranks 6th of 14.

GroupRank by spillsMedian spillsMedian hours
This outlet–3083.6
England3,488th of 14,2391122.3
United Utilities776th of 2,2701529.1
Biddulph Brook6th of 1425.564.5

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

392024302025
From 2024 to 2025, the reported count went from 39 to 30 spills. The highest count was 39 in 2024 and the lowest was 30 in 2025.
YearSpillsDurationMonitor operationSource
20253083.6 hours99.5%Official data
202439104.7 hours99%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
01CON0035
Activity reference
A1
Grid reference
SJ8837061520
Waterbody ID
GB112068055360Official 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 3 km south-east of the Congleton 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 Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311)

Who operates Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311)?
United Utilities is the operator named in the annual record. The permit reference is 01CON0035.
Where does Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311) discharge?
The source names Dane in Shaw Brook as the receiving water. This does not show how far a discharge travelled.
How many times did Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311) spill in 2025?
The 2025 return records 30 counted spill events and 83.6 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 99.5% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311) 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 Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311)?
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 Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311) compare with other overflows?
Mill Lane CSO, United Utilities (01CON0035 · A1 · UUP01311) 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 United Utilities overflows it ranks 776th of 2,270; the median United Utilities overflow recorded 15 spills. On the Biddulph Brook 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.