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Pools Lane CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for Pools 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

2020

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	19	99	100
2024	18	80.25	99.69
2023	29	125.25	85.96
2022	Not reported	Not reported	0
2021	Not reported	Not reported	0
2020	0	0	0

Published record details

Reference: YWS00857
Location: Cudworth Dyke from Source to River Dearne
Coordinates: 53.59354, -1.43253
Watercourse: Pools Dike
Sewerage company: Yorkshire Water
Asset type: SO on sewer network
Permit reference: C4871
Discharge grid reference: SE3765710923
Reporting years: 2025, 2024, 2023, 2022, 2021, 2020
Catchment: Cudworth Dyke from Source to River Dearne

Location

Pools Lane CSO
53.59354, -1.43253

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

Royston (Carlton-Shaw Lane)0.8 km Meadow Crescent CSO0.9 km Church Hill CSO1 km Sandybridge Lane No 3 Sps1.3 km Laithes Lane CSO1.6 km

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