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Froghall Sewage Treatment Works: sewage overflow history (SVT00934)

Review available Environment Agency annual monitoring returns for Froghall 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

100

2022

100

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	66	212.43	99.97
2024	79	340.76	99.59
2023	100	351.85	100
2022	100	286.27	100
2021	71	325.07	53.48
2020	21	75.03	100

Published record details

Reference: SVT00934
Location: Churnet from Consall to River Dove
Coordinates: 53.01984, -1.96344
Watercourse: River Churnet
Sewerage company: Severn Trent Water
Asset type: Inlet SO at WwTW
Permit reference: T/30/35538/R
Discharge grid reference: SK0255046950
Reporting years: 2025, 2024, 2023, 2022, 2021, 2020
Catchment: Churnet from Consall to River Dove

Location

Froghall Sewage Treatment Works
53.01984, -1.96344

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

Froghall Sewage Treatment Works0 km Kingsley Holt Pumping Station1.4 km Ipstones Pumping Station2.4 km Ipstones CSO2.8 km Cheadle - Bedbrook Farm (SSO)3 km

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