East Yarde STW So Milton Damerel

Storm overflow operated by South West Water. The source names Tributary of River Mere (S) as the receiving water.

0
Spills in 2025: 0
Recorded hours: 100%
Monitor operation: 5
Years listed

The reported spill count was the same as in 2024. This compares event counts, not discharge volume.

Current status unknown

Checking the latest monitor report…

How it compares in 2025

East Yarde STW So Milton Damerel recorded no spills in 2025. It is one of 2,231 overflows in England with a reported count of zero, out of 14,239 with a count.

Group	Rank by spills	Median spills	Median hours
This outlet	–	0	0
England	12,009th of 14,239	11	22.3
South West Water	1,180th of 1,357	21	39.4
Upper River Mere	3rd of 3	17	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

From 2022 to 2025, the reported count went from 0 to 0 spills. Every listed year has the same count. The monitor worked for less than 90% of 2023, so that count may be low.Amber bars mark years when the monitor worked for less than 90% of the year.

Year	Spills	Duration	Monitor operation	Source
2025	0	0 hours	100%	Official data
2024	0	0 hours	98.7%	Official data
2023	0	0 hours	67.6%Low coverage	Official data
2022	0	0 hours	100%	Official data
2021	Unknown	Unknown	Unknown	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: South West Water
Outlet type: Inlet storm overflow at a wastewater treatment works
Permit: 201238
Activity reference: A2
Grid reference: SS49391441
Waterbody ID: GB108050014260Official waterbody record ↗
Location source: Official annual grid reference
Location precision: About 10 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 4.8 km south of the Great Torrington reference point in the ONS built-up areas data.

Area and water pages

Upper River Mere waterbody →

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 ↗

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Questions about East Yarde STW So Milton Damerel

Who operates East Yarde STW So Milton Damerel?: South West Water is the operator named in the annual record. The permit reference is 201238.
Where does East Yarde STW So Milton Damerel discharge?: The source names Tributary of River Mere (S) as the receiving water. This does not show how far a discharge travelled.
How many times did East Yarde STW So Milton Damerel spill in 2025?: The 2025 return records 0 counted spill events and 0 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 East Yarde STW So Milton Damerel 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 10 metres. It shows the recorded outlet position, not the extent of any discharge.
What kind of outlet is East Yarde STW So Milton Damerel?: 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 East Yarde STW So Milton Damerel compare with other overflows?: East Yarde STW So Milton Damerel recorded no spills in 2025. It is one of 2,231 overflows in England with a reported count of zero, out of 14,239 with a count. 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.