Sewage Tank Cleaning

Bromley Road CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for Bromley Road 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

2021

2022

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	2	0.47	98.82
2024	19	4.07	99.16
2023	16	3.73	99.99
2022	17	2.47	100
2021	12	2.43	82.89

Published record details

Reference: UUP00339
Location: Dane (Cow Brook to Wheelock)
Coordinates: 53.16548, -2.20039
Watercourse: River Dane Via Sws
Sewerage company: United Utilities
Asset type: SO on sewer network
Permit reference: 016892195
Discharge grid reference: SJ8670063170
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: Dane (Cow Brook to Wheelock)

Location

Bromley Road CSO
53.16548, -2.20039

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

Bromley Rd Coronation Rd CSO 131Gz0.3 km Berisfords Compound CSO 131G30.4 km The Grange Congleton CSO0.7 km Sefton Avenue CSO (Con0090)0.7 km Eaton Bank CSO 131S40.7 km

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