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Finningley Sewage Treatment Works: sewage overflow history

Review available Environment Agency annual monitoring returns for Finningley 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	2	14.09	99.98
2024	8	21.72	99.96
2023	8	30.59	93.2
2020	68	15.28	99.83

Published record details

Reference: SVT00905
Location: Warping Drain Catchment (trib of Trent)
Coordinates: 53.47881, -0.97372
Watercourse: Clay Dike
Sewerage company: Severn Trent Water
Asset type: Storm tank at WwTW
Permit reference: T/82/45638/R
Discharge grid reference: SK6820898500
Reporting years: 2025, 2024, 2023, 2020
Catchment: Warping Drain Catchment (trib of Trent)

Location

Finningley Sewage Treatment Works
53.47881, -0.97372

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

Branton Wastewater Treatment Works4.7 km Wharf Street Pumping Station6 km Armthorpe Sewage Treatment Works7.1 km Rossington-Bankwood Lane Sps CSO7.4 km Rossington - Grange Lane PS (CSO)7.5 km

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