Sewage Map

Hundon STW / Hundon-Lower Church Rd Tps

Storm overflow operated by Anglian Water. The source names Chilton Brook River Stour NT as the receiving water.

20
Spills in 2025
300.4
Recorded hours
99.9%
Monitor operation
5
Years listed
Current status unknown

Checking the latest monitor report…

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How it compares in 2025

Hundon STW / Hundon-Lower Church Rd Tps recorded 20 spills in 2025. That is more than 63% of the 14,239 overflows in England with a reported figure, and ranks 5,045th nationally. Among Anglian Water overflows it ranks 274th of 1,438; the median Anglian Water overflow recorded 6 spills.

GroupRank by spillsMedian spillsMedian hours
This outlet–20300.4
England5,045th of 14,2391122.3
Anglian Water274th of 1,438613.5

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

892021492022852023702024202025
From 2021 to 2025, the reported count went from 89 to 20 spills. The highest count was 89 in 2021 and the lowest was 20 in 2025. The monitor worked for less than 90% of 2021, 2024, so those counts may be low.Amber bars mark years when the monitor worked for less than 90% of the year.
YearSpillsDurationMonitor operationSource
202520300.4 hours99.9%Official data
202470961.8 hours81.6%Low coverageOfficial data
202385859.6 hours100%Official data
20224986.5 hours100%Official data
2021891,794.4 hours87.5%Low coverageOfficial 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
Anglian Water
Outlet type
Storm tank at a wastewater treatment works
Permit
ASENF1291
Activity reference
A2
Grid reference
TL7443048070
Waterbody ID
GB105036040960Official 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 1.1 km south-east of the Hundon reference point in the ONS built-up areas data.

Area and water pages

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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 Hundon STW / Hundon-Lower Church Rd Tps

Who operates Hundon STW / Hundon-Lower Church Rd Tps?
Anglian Water is the operator named in the annual record. The permit reference is ASENF1291.
Where does Hundon STW / Hundon-Lower Church Rd Tps discharge?
The source names Chilton Brook River Stour NT as the receiving water. This does not show how far a discharge travelled.
How many times did Hundon STW / Hundon-Lower Church Rd Tps spill in 2025?
The 2025 return records 20 counted spill events and 300.4 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 99.9% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Hundon STW / Hundon-Lower Church Rd Tps 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 Hundon STW / Hundon-Lower Church Rd Tps?
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 Hundon STW / Hundon-Lower Church Rd Tps compare with other overflows?
Hundon STW / Hundon-Lower Church Rd Tps recorded 20 spills in 2025. That is more than 63% of the 14,239 overflows in England with a reported figure, and ranks 5,045th nationally. Among Anglian Water overflows it ranks 274th of 1,438; the median Anglian Water overflow recorded 6 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.