Sewage Map

Manhole No. 20 off East Park Drive CSO / South Park Drive PS

Storm overflow operated by United Utilities. The source names Marton Mere via Main Dyke (culverted) as the receiving water.

6
Spills in 2025
66.8
Recorded hours
93.7%
Monitor operation
2
Years listed
Current status unknown

Checking the latest monitor report…

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How it compares in 2025

Manhole No. 20 off East Park Drive CSO / South Park Drive PS recorded 6 spills in 2025. That is more than 37% of the 14,239 overflows in England with a reported figure, and ranks 8,498th nationally. Among United Utilities overflows it ranks 1,473rd of 2,270; the median United Utilities overflow recorded 15 spills. On the Hillylaid Pool - Tidal Wyre waterbody it ranks 6th of 10.

GroupRank by spillsMedian spillsMedian hours
This outlet–666.8
England8,498th of 14,2391122.3
United Utilities1,473rd of 2,2701529.1
Hillylaid Pool - Tidal Wyre6th of 10815.8

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

n/a202462025
Amber bars mark years when the monitor worked for less than 90% of the year.
YearSpillsDurationMonitor operationSource
2025666.8 hours93.7%Official data
2024UnknownUnknown0%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
017260025
Activity reference
A1
Grid reference
SD3290035500
Waterbody ID
GB112072066120Official 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 Blackpool reference point in the ONS built-up areas data.

Designated bathing waters within 3 km in a straight line:

Distance does not show that water from this outlet reaches a bathing water. Check the official bathing-water profile for its classification and advice.

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 Manhole No. 20 off East Park Drive CSO / South Park Drive PS

Who operates Manhole No. 20 off East Park Drive CSO / South Park Drive PS?
United Utilities is the operator named in the annual record. The permit reference is 017260025.
Where does Manhole No. 20 off East Park Drive CSO / South Park Drive PS discharge?
The source names Marton Mere via Main Dyke (culverted) as the receiving water. This does not show how far a discharge travelled.
How many times did Manhole No. 20 off East Park Drive CSO / South Park Drive PS spill in 2025?
The 2025 return records 6 counted spill events and 66.8 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 93.7% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Manhole No. 20 off East Park Drive CSO / South Park Drive PS 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 Manhole No. 20 off East Park Drive CSO / South Park Drive PS?
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 Manhole No. 20 off East Park Drive CSO / South Park Drive PS compare with other overflows?
Manhole No. 20 off East Park Drive CSO / South Park Drive PS recorded 6 spills in 2025. That is more than 37% of the 14,239 overflows in England with a reported figure, and ranks 8,498th nationally. Among United Utilities overflows it ranks 1,473rd of 2,270; the median United Utilities overflow recorded 15 spills. On the Hillylaid Pool - Tidal Wyre waterbody it ranks 6th 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.