Sewage Map

Lytchett Minster Lytchett Bay Storm Tank

Storm overflow operated by Wessex Water. The source names Lytchett Bay(E) as the receiving water.

13
Spills in 2025
162.8
Recorded hours
100%
Monitor operation
6
Years listed

The reported spill count was 15 lower than in 2024. This compares event counts, not discharge volume.

Current status unknown

Checking the latest monitor report…

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How it compares in 2025

Lytchett Minster Lytchett Bay Storm Tank recorded 13 spills in 2025. That is more than 53% of the 14,239 overflows in England with a reported figure, and ranks 6,413th nationally. Among Wessex Water overflows it ranks 603rd of 1,332; the median Wessex Water overflow recorded 11 spills. On the Poole Harbour waterbody it ranks 2nd of 16.

GroupRank by spillsMedian spillsMedian hours
This outlet–13162.8
England6,413th of 14,2391122.3
Wessex Water603rd of 1,3321118.9
Poole Harbour2nd of 162.53.3

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

232020182021172022292023282024132025
From 2020 to 2025, the reported count went from 23 to 13 spills. The highest count was 29 in 2023 and the lowest was 13 in 2025.
YearSpillsDurationMonitor operationSource
202513162.8 hours100%Official data
202428305.1 hours100%Official data
202329399.3 hours100%Official data
202217143.7 hours98.9%Official data
202118169.5 hours99.2%Official data
202023263 hours100%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
Wessex Water
Outlet type
Storm tank at a wastewater treatment works
Permit
401242
Activity reference
2-SETTLEMENT TREATMENT ONLY
Grid reference
SY9685092300
Waterbody ID
GB520804415800Official 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 tank at WwTW”: storm tank at a wastewater treatment works. The overflow comes from storm storage at a treatment works.

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 1.4 km south-east of the Post Green 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 Lytchett Minster Lytchett Bay Storm Tank

Who operates Lytchett Minster Lytchett Bay Storm Tank?
Wessex Water is the operator named in the annual record. The permit reference is 401242.
Where does Lytchett Minster Lytchett Bay Storm Tank discharge?
The source names Lytchett Bay(E) as the receiving water. This does not show how far a discharge travelled.
How many times did Lytchett Minster Lytchett Bay Storm Tank spill in 2025?
The 2025 return records 13 counted spill events and 162.8 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 100% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Lytchett Minster Lytchett Bay Storm Tank 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 Lytchett Minster Lytchett Bay Storm Tank?
The annual return lists the asset type as “Storm tank at WwTW”, which means storm tank at a wastewater treatment works. The overflow comes from storm storage at a treatment works.
How does Lytchett Minster Lytchett Bay Storm Tank compare with other overflows?
Lytchett Minster Lytchett Bay Storm Tank recorded 13 spills in 2025. That is more than 53% of the 14,239 overflows in England with a reported figure, and ranks 6,413th nationally. Among Wessex Water overflows it ranks 603rd of 1,332; the median Wessex Water overflow recorded 11 spills. On the Poole Harbour waterbody it ranks 2nd of 16. 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.