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Charlton Musgrove STW: sewage overflow history

Review available Environment Agency annual monitoring returns for Charlton Musgrove 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

105

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	59	939.13	99.92
2024	105	1,660.65	99.98
2023	59	1,087.41	100
2022	Not reported	Not reported	Not reported

Published record details

Reference: WXW00253
Location: Cale
Coordinates: 51.08309, -2.38412
Watercourse: Trib Of River Cale(S)
Sewerage company: Wessex Water
Asset type: Inlet SO at WwTW
Permit reference: 401757
Discharge grid reference: ST7319031600
Reporting years: 2025, 2024, 2023, 2022
Catchment: Cale

Location

Charlton Musgrove STW
51.08309, -2.38412

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

Bayford Pumping Station2.8 km Pen Mill Pumping Station4 km Moor Lane Combined Sewer Overflow4.2 km Bennetts Field CSO4.3 km Wincanton Water Recycling Centre4.7 km

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