Sewage Map

Heage STW – 6Dwf

Storm overflow operated by Severn Trent Water. The source names Downmeadow Brook as the receiving water.

13
Spills in 2025
98.5
Recorded hours
100%
Monitor operation
6
Years listed

The reported spill count was 74 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

Heage STW – 6Dwf 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 Severn Trent Water overflows it ranks 920th of 2,431; the median Severn Trent Water overflow recorded 8 spills. On the Amber from Alfreton Brook to Derwent waterbody it ranks 18th of 27.

GroupRank by spillsMedian spillsMedian hours
This outlet–1398.5
England6,413th of 14,2391122.3
Severn Trent Water920th of 2,431816.2
Amber from Alfreton Brook to Derwent18th of 272398.5

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

312020134202110520221572023872024132025
From 2020 to 2025, the reported count went from 31 to 13 spills. The highest count was 157 in 2023 and the lowest was 13 in 2025.
YearSpillsDurationMonitor operationSource
20251398.5 hours100%Official data
202487498.3 hours100%Official data
20231571,557.2 hours97.2%Official data
2022105713.6 hours95.9%Official data
2021134930.9 hours99.6%Official data
202031329.5 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
Severn Trent Water
Outlet type
Inlet storm overflow at a wastewater treatment works
Permit
T/41/45771/R
Activity reference
A3
Grid reference
SK3650350405
Waterbody ID
GB104028052330Official 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 0.4 km west of the Heage 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

Questions about Heage STW – 6Dwf

Who operates Heage STW – 6Dwf?
Severn Trent Water is the operator named in the annual record. The permit reference is T/41/45771/R.
Where does Heage STW – 6Dwf discharge?
The source names Downmeadow Brook as the receiving water. This does not show how far a discharge travelled.
How many times did Heage STW – 6Dwf spill in 2025?
The 2025 return records 13 counted spill events and 98.5 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 100% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Heage STW – 6Dwf 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 Heage STW – 6Dwf?
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 Heage STW – 6Dwf compare with other overflows?
Heage STW – 6Dwf 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 Severn Trent Water overflows it ranks 920th of 2,431; the median Severn Trent Water overflow recorded 8 spills. On the Amber from Alfreton Brook to Derwent waterbody it ranks 18th of 27. 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.