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Derby - Littleover Lane (CSO): sewage overflow history

Review available Environment Agency annual monitoring returns for Derby - Littleover Lane (CSO). 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

2022

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	0	0	99.55
2024	0	0	93.93
2023	4	12.99	92.8
2022	0	0	92.3

Published record details

Reference: SVT00751
Location: Cuttle Brook Catchment (trib of Trent)
Coordinates: 52.89875, -1.49775
Watercourse: Nailsworth Stream
Sewerage company: Severn Trent Water
Asset type: SO on sewer network
Permit reference: Unpermitted
Discharge grid reference: SK3388333597
Reporting years: 2025, 2024, 2023, 2022
Catchment: Cuttle Brook Catchment (trib of Trent)

Location

Derby - Littleover Lane (CSO)
52.89875, -1.49775

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

Cuttle Brook Close CSO0.8 km Porter Road/Almond Road CSO1.3 km Dale Road/Byron Street CSO1.5 km Provident Street CSO1.6 km Society Place CSO1.6 km

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