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Cargreen Pscso/Eo: sewage overflow history

Review available Environment Agency annual monitoring returns for Cargreen Pscso/Eo. Compare reported spill counts, total duration and monitor operation by year, with source details and gaps in the series identified.

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Annual monitoring returns

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	49	130.96	100
2024	44	67.9	99.42
2023	44	53.98	78.36

Published record details

Reference: SBB00210
Location: Plymouth Tamar
Coordinates: 50.44209, -4.20341
Watercourse: River Tamar (E)
Sewerage company: South West Water
Asset type: Storm discharge at pumping station
Permit reference: 302094
Discharge grid reference: SX43646257
Reporting years: 2025, 2024, 2023
Catchment: PLYMOUTH TAMAR

Location

Cargreen Pscso/Eo
50.44209, -4.20341

Understanding annual storm overflow figures

The Environment Agency's annual returns report storm overflow monitoring information supplied by water companies. Spill counts use the regulatory 12/24-hour block method, so a counted spill is not necessarily a single uninterrupted discharge. Duration is the reported total time in spill, rather than the volume of sewage discharged. Monitor operation indicates the percentage of the reporting period for which the monitor operated. Missing values, incomplete monitoring and changes in recorded outlet details can affect comparisons between years. These annual figures describe historical reporting periods, not live discharge conditions or the cause of sewage problems at an individual property.

Nearby records

Ernesettle Sewage Treatment Works2.4 km Ernesettle Sewage Treatment Works2.4 km Ernesettle Lane Sportsground CSO2.4 km Bere Ferrers Pumping Station2.6 km Riverview CSO3.2 km

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