Sewage Map

Chester Deva Terrace No 13 Front Lawn

Storm overflow operated by Dŵr Cymru Welsh Water. The source names River Dee as the receiving water.

44
Spills in 2025
78.5
Recorded hours
96.6%
Monitor operation
2
Years listed

The reported spill count was 43 lower than in 2024. This compares event counts, not discharge volume.

Current status unknown

We do not have a live report for this outlet. Its annual spill records are shown below.

Open official annual data ↗

How it compares in 2025

Chester Deva Terrace No 13 Front Lawn recorded 44 spills in 2025. That is more than 84% of the 14,239 overflows in England with a reported figure, and ranks 2,078th nationally. Among Dŵr Cymru Welsh Water overflows it ranks 24th of 122; the median Dŵr Cymru Welsh Water overflow recorded 14.5 spills. On the Finchetts Gutter waterbody it ranks 2nd of 12.

GroupRank by spillsMedian spillsMedian hours
This outlet–4478.5
England2,078th of 14,2391122.3
Dŵr Cymru Welsh Water24th of 12214.529.3
Finchetts Gutter2nd of 124.510.3

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

872024442025
From 2024 to 2025, the reported count went from 87 to 44 spills. The highest count was 87 in 2024 and the lowest was 44 in 2025.
YearSpillsDurationMonitor operationSource
20254478.5 hours96.6%Official data
202487155 hours97.8%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 overflow on the sewer network
Permit
CM0124701
Activity reference
1
Grid reference
SJ4140066300
Waterbody ID
GB111067056930Official 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 2.8 km west of the Littleton (Cheshire West and Chester) 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

Questions about Chester Deva Terrace No 13 Front Lawn

Who operates Chester Deva Terrace No 13 Front Lawn?
Dŵr Cymru Welsh Water is the operator named in the annual record. The permit reference is CM0124701.
Where does Chester Deva Terrace No 13 Front Lawn discharge?
The source names River Dee as the receiving water. This does not show how far a discharge travelled.
How many times did Chester Deva Terrace No 13 Front Lawn spill in 2025?
The 2025 return records 44 counted spill events and 78.5 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 96.6% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Chester Deva Terrace No 13 Front Lawn 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 Chester Deva Terrace No 13 Front Lawn?
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 Chester Deva Terrace No 13 Front Lawn compare with other overflows?
Chester Deva Terrace No 13 Front Lawn recorded 44 spills in 2025. That is more than 84% of the 14,239 overflows in England with a reported figure, and ranks 2,078th nationally. Among Dŵr Cymru Welsh Water overflows it ranks 24th of 122; the median Dŵr Cymru Welsh Water overflow recorded 14.5 spills. On the Finchetts Gutter waterbody it ranks 2nd of 12. 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.