Cedar Way CSO
Storm overflow operated by Dŵr Cymru Welsh Water. The source names River Dee as the receiving water.
- 0
- Spills in 2025
- 0
- Recorded hours
- 84.5%
- Monitor operation
- 5
- Years listed
We do not have a live report for this outlet. Its annual spill records are shown below.
How it compares in 2025
Cedar Way CSO recorded no spills in 2025. It is one of 2,231 overflows in England with a reported count of zero, out of 14,239 with a count.
The monitor worked for 84.5% of 2025, so this count may be low and its rank may understate activity.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 0 | 0 |
| England | 12,009th of 14,239 | 11 | 22.3 |
| Dŵr Cymru Welsh Water | 114th of 122 | 14.5 | 29.3 |
| Dee (N. Wales) | 20th 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 | 0 | 0 hours | 84.5%Low coverage | Official data |
| 2024 | 3 | 0.8 hours | 64.2%Low coverage | Official data |
| 2023 | 2 | 0.5 hours | 56.9%Low coverage | Official data |
| 2022 | 0 | 0 hours | 1%Low coverage | Official data |
| 2021 | 0 | 0 hours | 5.8%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
- Dŵr Cymru Welsh Water
- Outlet type
- Storm discharge at a pumping station
- Permit
- CM0193801
- Activity reference
- 1
- Grid reference
- SJ2776580257
- 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 “Storm discharge at pumping station”: storm discharge at a pumping station. The overflow is at a pumping station that moves sewage through the 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 2.6 km south-east of the Heswall 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.
Open official source ↗Other outlet records nearby
- Heswall Gayton Parkway Nra Riverbank RdCurrent status unknown
Dŵr Cymru Welsh Water · Tributary of River Dee
- Heswall Gayton Riverbank Road Mh466 NraCurrent status unknown
Dŵr Cymru Welsh Water · Estuarial Waters of the River Dee
- Neston Parkgate The Parade 5 Dee CottsCurrent status unknown
Dŵr Cymru Welsh Water · Dee Estuary
- Heswall Seabank Rd CSOCurrent status unknown
Dŵr Cymru Welsh Water · River Dee Estuary
Questions about Cedar Way CSO
- Who operates Cedar Way CSO?
- Dŵr Cymru Welsh Water is the operator named in the annual record. The permit reference is CM0193801.
- Where does Cedar Way CSO discharge?
- The source names River Dee as the receiving water. This does not show how far a discharge travelled.
- How many times did Cedar Way CSO spill in 2025?
- The 2025 return records 0 counted spill events and 0 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 84.5% of the reporting period. Below 90%, some events can be missed, so the count and hours may understate activity.
- Is Cedar Way CSO discharging right now?
- This record is not matched to a company live feed, so we cannot show a current report. Only the annual figures are available for this outlet.
- 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 Cedar Way CSO?
- The annual return lists the asset type as “Storm discharge at pumping station”, which means storm discharge at a pumping station. The overflow is at a pumping station that moves sewage through the network.
- How does Cedar Way CSO compare with other overflows?
- Cedar Way CSO recorded no spills in 2025. It is one of 2,231 overflows in England with a reported count of zero, out of 14,239 with a count. 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.