Westbourne Rd CSO (512ZA)
Storm overflow operated by United Utilities. The source names Dee Estuary as the receiving water.
- 1
- Spills in 2025
- 0.2
- Recorded hours
- 94.7%
- Monitor operation
- 2
- Years listed
Checking the latest monitor report…
How it compares in 2025
Westbourne Rd CSO (512ZA) recorded 1 spill in 2025. That is more than 15% of the 14,239 overflows in England with a reported figure, and ranks 11,130th nationally. Among United Utilities overflows it ranks 1,851st of 2,270; the median United Utilities overflow recorded 15 spills. On the Dee (N. Wales) waterbody it ranks 16th of 24.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 1 | 0.2 |
| England | 11,130th of 14,239 | 11 | 22.3 |
| United Utilities | 1,851st of 2,270 | 15 | 29.1 |
| Dee (N. Wales) | 16th of 24 | 9 | 14.1 |
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
| Year | Spills | Duration | Monitor operation | Source |
|---|---|---|---|---|
| 2025 | 1 | 0.2 hours | 94.7% | Official data |
| 2024 | 0 | 0 hours | 87.8%Low coverage | 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
- Permit applied for
- Activity reference
- A1
- Grid reference
- SJ2087586694
- Waterbody ID
- GB531106708200Official 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 1.5 km west of the West Kirby 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.
Open official source ↗Other outlet records nearby
- West Kirkby Pumping Station (Site ID 51001) (WIR0092)Current status unknown
United Utilities · Un-named tributary of the River Birket
- Stanley Road Pumping Station (Site ID 51005) (WIR0090)Current status unknown
United Utilities · Irish Sea
- Croft Drive/Shore Road CSOCurrent status unknown
United Utilities · River Dee Estuary
- Ennisdale Drive CSOCurrent status unknown
United Utilities · Newton Brook
Questions about Westbourne Rd CSO (512ZA)
- Who operates Westbourne Rd CSO (512ZA)?
- United Utilities is the operator named in the annual record. The permit reference is Permit applied for.
- Where does Westbourne Rd CSO (512ZA) discharge?
- The source names Dee Estuary as the receiving water. This does not show how far a discharge travelled.
- How many times did Westbourne Rd CSO (512ZA) spill in 2025?
- The 2025 return records 1 counted spill events and 0.2 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 94.7% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is Westbourne Rd CSO (512ZA) 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 Westbourne Rd CSO (512ZA)?
- 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 Westbourne Rd CSO (512ZA) compare with other overflows?
- Westbourne Rd CSO (512ZA) recorded 1 spill in 2025. That is more than 15% of the 14,239 overflows in England with a reported figure, and ranks 11,130th nationally. Among United Utilities overflows it ranks 1,851st of 2,270; the median United Utilities overflow recorded 15 spills. On the Dee (N. Wales) waterbody it ranks 16th of 24. 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.