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Bathpool STW: sewage overflow history

Review available Environment Agency annual monitoring returns for Bathpool STW. 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	26	399.31	98.42
2024	20	296.96	99.94
2023	30	502.38	95.89

Published record details

Reference: SBB00079
Location: Withey Brook
Coordinates: 50.54592, -4.42337
Watercourse: River Lyner (S)
Sewerage company: South West Water
Asset type: Inlet SO at WwTW
Permit reference: 302121
Discharge grid reference: SX28407460
Reporting years: 2025, 2024, 2023
Catchment: Withey Brook

Location

Bathpool STW
50.54592, -4.42337

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

Rilla Mill WWTW1.6 km Upton Cross Combined Sewer Overflow2 km North Hill WWTW2.2 km Minions CSO4.2 km Minions STW4.6 km

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