Cargreen SPS Pscsoeo Cargreen

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

49
Spills in 2025: 131
Recorded hours: 100%
Monitor operation: 5
Years listed

The reported spill count was 5 higher than in 2024. This compares event counts, not discharge volume.

Current status unknown

Checking the latest monitor report…

How it compares in 2025

Cargreen SPS Pscsoeo Cargreen recorded 49 spills in 2025. That is more than 87% of the 14,239 overflows in England with a reported figure, and ranks 1,699th nationally. Among South West Water overflows it ranks 348th of 1,357; the median South West Water overflow recorded 21 spills. On the Plymouth Tamar waterbody it ranks 2nd of 9.

Group	Rank by spills	Median spills	Median hours
This outlet	–	49	131
England	1,699th of 14,239	11	22.3
South West Water	348th of 1,357	21	39.4
Plymouth Tamar	2nd of 9	8	18.4

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 2022 to 2025, the reported count went from 31 to 49 spills. The highest count was 49 in 2025 and the lowest was 31 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.

Year	Spills	Duration	Monitor operation	Source
2025	49	131 hours	100%	Official data
2024	44	67.9 hours	99.4%	Official data
2023	44	54 hours	78.4%Low coverage	Official data
2022	31	46.8 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: Storm discharge at a pumping station
Permit: 302094
Activity reference: A1
Grid reference: SX43646257
Waterbody ID: GB520804714300Official 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 discharge at pumping station”: storm discharge at a pumping station. The overflow is at a pumping station that moves sewage through the network.

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 0.5 km east of the Cargreen 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 ↗

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Homer Park CSO Saltash
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Questions about Cargreen SPS Pscsoeo Cargreen

Who operates Cargreen SPS Pscsoeo Cargreen?: South West Water is the operator named in the annual record. The permit reference is 302094.
Where does Cargreen SPS Pscsoeo Cargreen discharge?: The source names River Tamar (E) as the receiving water. This does not show how far a discharge travelled.
How many times did Cargreen SPS Pscsoeo Cargreen spill in 2025?: The 2025 return records 49 counted spill events and 131 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 Cargreen SPS Pscsoeo Cargreen 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 Cargreen SPS Pscsoeo Cargreen?: The annual return lists the asset type as “Storm discharge at pumping station”, which means storm discharge at a pumping station. The overflow is at a pumping station that moves sewage through the network.
How does Cargreen SPS Pscsoeo Cargreen compare with other overflows?: Cargreen SPS Pscsoeo Cargreen recorded 49 spills in 2025. That is more than 87% of the 14,239 overflows in England with a reported figure, and ranks 1,699th nationally. Among South West Water overflows it ranks 348th of 1,357; the median South West Water overflow recorded 21 spills. On the Plymouth Tamar waterbody it ranks 2nd of 9. 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.