Holbeton STW SSO Holbeton

Storm overflow operated by South West Water. The source names River Erme(E) as the receiving water.

46
Spills in 2025: 388
Recorded hours: 48.8%
Monitor operation: 3
Years listed

Current status unknown

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How it compares in 2025

Holbeton STW SSO Holbeton recorded 46 spills in 2025. That is more than 86% of the 14,239 overflows in England with a reported figure, and ranks 1,911th nationally. Among South West Water overflows it ranks 373rd of 1,357; the median South West Water overflow recorded 21 spills.

The monitor worked for 48.8% of 2025, so this count may be low and its rank may understate activity.

Group	Rank by spills	Median spills	Median hours
This outlet	–	46	388
England	1,911th of 14,239	11	22.3
South West Water	373rd of 1,357	21	39.4

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 2023 to 2025, the reported count went from 85 to 46 spills. The highest count was 85 in 2023 and the lowest was 27 in 2024. The monitor worked for less than 90% of 2025, 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	46	388 hours	48.8%Low coverage	Official data
2024	27	98 hours	100%	Official data
2023	85	662.1 hours	97.7%	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: Storm tank at a wastewater treatment works
Permit: 202413
Activity reference: A2
Grid reference: SX62464979
Waterbody ID: Unknown
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 “Storm tank at WwTW”: storm tank at a wastewater treatment works. The overflow comes from storm storage at a treatment works.

Where it is

The recorded position is about 3.5 km south of the Ermington reference point in the ONS built-up areas data.

Designated bathing waters within 3 km in a straight line:

Distance does not show that water from this outlet reaches a bathing water. Check the official bathing-water profile for its classification and advice.

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

Holbeton STW So Holbeton
South West Water · River Erme(E)
Current status unknown

Appletree CSO Kingston
South West Water · Tributary of the English Channel
Current status unknown
Ermington STW So Ermington
South West Water · River Erme
Current status unknown
Kingston STW SSO Kingston
South West Water · Kingston Stream
Current status unknown

Questions about Holbeton STW SSO Holbeton

Who operates Holbeton STW SSO Holbeton?: South West Water is the operator named in the annual record. The permit reference is 202413.
Where does Holbeton STW SSO Holbeton discharge?: The source names River Erme(E) as the receiving water. This does not show how far a discharge travelled.
How many times did Holbeton STW SSO Holbeton spill in 2025?: The 2025 return records 46 counted spill events and 388 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 48.8% of the reporting period. Below 90%, some events can be missed, so the count and hours may understate activity.
Is Holbeton STW SSO Holbeton 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 Holbeton STW SSO Holbeton?: 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 Holbeton STW SSO Holbeton compare with other overflows?: Holbeton STW SSO Holbeton recorded 46 spills in 2025. That is more than 86% of the 14,239 overflows in England with a reported figure, and ranks 1,911th nationally. Among South West Water overflows it ranks 373rd of 1,357; the median South West Water overflow recorded 21 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.