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Churchover Sewage Treatment Works: sewage overflow history

Review available Environment Agency annual monitoring returns for Churchover 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

2021

2022

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	22	442.43	99.99
2024	27	64.61	91.45
2023	5	12.93	100
2022	1	0.42	100
2021	5	0.48	90.83
2020	3	0.38	99.94

Published record details

Reference: SVT00563
Location: Swift source to conf Avon
Coordinates: 52.41944, -1.25834
Watercourse: River Swift
Sewerage company: Severn Trent Water
Asset type: Inlet SO at WwTW
Permit reference: S/10/25817/R
Discharge grid reference: SP5053680419
Reporting years: 2025, 2024, 2023, 2022, 2021, 2020
Catchment: Swift source to conf Avon

Location

Churchover Sewage Treatment Works
52.41944, -1.25834

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

Lutterworth Sewage Treatment Works3.4 km Harborough Magna STW3.7 km Wood Street - Kimberley Road CSO3.7 km Rugby Road Pumping Stn. - Emerg O/F4 km Rugby - Hunters Lane (Avon Mill) (CSO)4 km

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