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Newborough Sewage Treatment Works: sewage overflow history

Review available Environment Agency annual monitoring returns for Newborough 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	15	91.07	77.58
2024	61	712.18	99.95
2023	65	666.31	94.1
2020	19	152.03	100

Published record details

Reference: SVT01630
Location: Swarbourn Catcment (trib of Trent)
Coordinates: 52.81037, -1.80137
Watercourse: River Swarbourn
Sewerage company: Severn Trent Water
Asset type: Inlet SO at WwTW
Permit reference: T/07/35744/R
Discharge grid reference: SK1348623665
Reporting years: 2025, 2024, 2023, 2020
Catchment: Swarbourn Catcment (trib of Trent)

Location

Newborough Sewage Treatment Works
52.81037, -1.80137

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

Yoxall Combined Sewer Overflow5.5 km Abbots Bromley Sewage Treatment Wks5.6 km Rock House Combined Sewer Overflow5.8 km Rugeley - Sandy Lane (CSO)6.4 km Hanbury Sewage Treatment Works6.6 km

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