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Waterside Pumping Station: sewage overflow history

Review available Environment Agency annual monitoring returns for Waterside Pumping Station. 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	8	10.3	99.7
2024	4	2.05	100
2023	6	7.82	100

Published record details

Reference: SBB01320
Location: Not part of a WFD catchment
Coordinates: 50.40568, -4.20721
Watercourse: River Tamar Estuary(E)
Sewerage company: South West Water
Asset type: Storm discharge at pumping station
Permit reference: 301482
Discharge grid reference: SX43255853
Reporting years: 2025, 2024, 2023
Catchment: Not part of a WFD catchment

Location

Waterside Pumping Station
50.40568, -4.20721

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

Brunel Bridge CSO0.3 km Culver Road CSO0.3 km Coombe Road CSO0.4 km Kinterbury Creek Riverside PS0.4 km Kinterbury Creek Pumping Station0.5 km

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