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Claverley Sewage Treatment Works: sewage overflow history

Review available Environment Agency annual monitoring returns for Claverley Sewage Treatment Works. 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

2020

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	7	13.61	99.29
2024	77	351.8	88.99
2023	47	695.82	73.1
2020	46	562.75	99.94

Published record details

Reference: SVT00569
Location: Hilton Claverley Bk - source to conf Stratford Bk
Coordinates: 52.54102, -2.30350
Watercourse: Danford Brook
Sewerage company: Severn Trent Water
Asset type: Storm tank at WwTW
Permit reference: S/05/55897/R
Discharge grid reference: SO7951393728
Reporting years: 2025, 2024, 2023, 2020
Catchment: Hilton Claverley Bk - source to conf Stratford Bk

Location

Claverley Sewage Treatment Works
52.54102, -2.30350

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

Bobbington Sewage Treatment Works3.3 km Pattingham Sewage Treatment Works5.5 km Ackleton And Stableford STW6.1 km Settled So At Former Wombourne STW6.3 km Bridgnorth Slads STW6.6 km

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