Sewage Map

Toller Porcorum Toller Lane Inlet

Storm overflow operated by Wessex Water. The source names River Hooke as the receiving water.

35
Spills in 2025
520.7
Recorded hours
100%
Monitor operation
6
Years listed

The reported spill count was 32 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

Toller Porcorum Toller Lane Inlet recorded 35 spills in 2025. That is more than 78% of the 14,239 overflows in England with a reported figure, and ranks 2,896th nationally. Among Wessex Water overflows it ranks 240th of 1,332; the median Wessex Water overflow recorded 11 spills.

GroupRank by spillsMedian spillsMedian hours
This outlet–35520.7
England2,896th of 14,2391122.3
Wessex Water240th of 1,3321118.9

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

392020472021432022762023672024352025
From 2020 to 2025, the reported count went from 39 to 35 spills. The highest count was 76 in 2023 and the lowest was 35 in 2025.
YearSpillsDurationMonitor operationSource
202535520.7 hours100%Official data
202467574.5 hours96.6%Official data
202376691.7 hours99.8%Official data
202243211.7 hours99.3%Official data
202147164.8 hours99.2%Official data
202039261.9 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
Inlet storm overflow at a wastewater treatment works
Permit
400607
Activity reference
2-STORM DISCHARGE AT STW (UNTREATED)
Grid reference
SY5669897970
Waterbody ID
GB108044009800Official 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 “Inlet SO at WwTW”: inlet storm overflow at a wastewater treatment works. The overflow is at the inlet of a treatment works, where wastewater enters the 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 3 km west of the Maiden Newton 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.

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Other outlet records nearby

Questions about Toller Porcorum Toller Lane Inlet

Who operates Toller Porcorum Toller Lane Inlet?
Wessex Water is the operator named in the annual record. The permit reference is 400607.
Where does Toller Porcorum Toller Lane Inlet discharge?
The source names River Hooke as the receiving water. This does not show how far a discharge travelled.
How many times did Toller Porcorum Toller Lane Inlet spill in 2025?
The 2025 return records 35 counted spill events and 520.7 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 Toller Porcorum Toller Lane Inlet 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 Toller Porcorum Toller Lane Inlet?
The annual return lists the asset type as “Inlet SO at WwTW”, which means inlet storm overflow at a wastewater treatment works. The overflow is at the inlet of a treatment works, where wastewater enters the works.
How does Toller Porcorum Toller Lane Inlet compare with other overflows?
Toller Porcorum Toller Lane Inlet recorded 35 spills in 2025. That is more than 78% of the 14,239 overflows in England with a reported figure, and ranks 2,896th nationally. Among Wessex Water overflows it ranks 240th of 1,332; the median Wessex Water overflow recorded 11 spills. 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.