Sewage Map

Heanor - Milnhay STW (CSO)

Storm overflow operated by Severn Trent Water. The source names River Erewash as the receiving water.

Unknown
Spills in 2025
Unknown
Recorded hours
Unknown
Monitor operation
6
Years listed
Current status unknown

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

Open official annual data ↗

Annual spill history

1020207920218820221242023392024n/a2025
From 2020 to 2024, the reported count went from 10 to 39 spills. The highest count was 124 in 2023 and the lowest was 10 in 2020. The monitor worked for less than 90% of 2024, so that count may be low.Amber bars mark years when the monitor worked for less than 90% of the year.
YearSpillsDurationMonitor operationSource
2025UnknownUnknownUnknownOfficial data
202439208.2 hours73.3%Low coverageOfficial data
2023124874.3 hours93.1%Official data
202288390.6 hours100%Official data
202179283.8 hours99.5%Official data
20201030.1 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/61/45098/R
Activity reference
A4
Grid reference
SK4572046380
Waterbody ID
GB104028052511Official 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 1.6 km east of the Heanor 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 Heanor - Milnhay STW (CSO)

Who operates Heanor - Milnhay STW (CSO)?
Severn Trent Water is the operator named in the annual record. The permit reference is T/61/45098/R.
Where does Heanor - Milnhay STW (CSO) discharge?
The source names River Erewash as the receiving water. This does not show how far a discharge travelled.
How many times did Heanor - Milnhay STW (CSO) spill in 2025?
The 2025 return has no usable spill count for this outlet. Missing is not the same as zero.
Can I trust the 2025 figures for this outlet?
The return gives no monitor operation figure, so we cannot say how much of the year was monitored. Treat the annual figures with care.
Is Heanor - Milnhay STW (CSO) 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 Heanor - Milnhay STW (CSO)?
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.
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.