Sewage Map

Tatworth STW SSO Tatworth

Storm overflow operated by South West Water. The source names Forton Brook as the receiving water.

189
Spills in 2025
4,141.5
Recorded hours
100%
Monitor operation
5
Years listed

The reported spill count was 21 lower than in 2024. This compares event counts, not discharge volume.

Current status unknown

Checking the latest monitor report…

Open official annual data ↗

How it compares in 2025

Tatworth STW SSO Tatworth recorded 189 spills in 2025. That is more than 99% of the 14,239 overflows in England with a reported figure, and ranks 9th nationally. Among South West Water overflows it ranks 7th of 1,357; the median South West Water overflow recorded 21 spills. On the Forton Brook waterbody it ranks 1st of 3.

GroupRank by spillsMedian spillsMedian hours
This outlet–1894,141.5
England9th of 14,2391122.3
South West Water7th of 1,3572139.4
Forton Brook1st of 354310.1

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

54202143202282202321020241892025
From 2021 to 2025, the reported count went from 54 to 189 spills. The highest count was 210 in 2024 and the lowest was 43 in 2022. 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.
YearSpillsDurationMonitor operationSource
20251894,141.5 hours100%Official data
20242104,137.5 hours100%Official data
2023821,389.9 hours64.5%Low coverageOfficial data
202243193.8 hours100%Official data
202154249.9 hours95.1%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
203249
Activity reference
A2
Grid reference
ST33710479
Waterbody ID
GB108045014820Official 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 “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 0.6 km south-east of the Tatworth 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.

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Other outlet records nearby

Questions about Tatworth STW SSO Tatworth

Who operates Tatworth STW SSO Tatworth?
South West Water is the operator named in the annual record. The permit reference is 203249.
Where does Tatworth STW SSO Tatworth discharge?
The source names Forton Brook as the receiving water. This does not show how far a discharge travelled.
How many times did Tatworth STW SSO Tatworth spill in 2025?
The 2025 return records 189 counted spill events and 4,141.5 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 Tatworth STW SSO Tatworth 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 Tatworth STW SSO Tatworth?
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 Tatworth STW SSO Tatworth compare with other overflows?
Tatworth STW SSO Tatworth recorded 189 spills in 2025. That is more than 99% of the 14,239 overflows in England with a reported figure, and ranks 9th nationally. Among South West Water overflows it ranks 7th of 1,357; the median South West Water overflow recorded 21 spills. On the Forton Brook waterbody it ranks 1st of 3. 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.