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Waterbarn Street/Barden Lane CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for Waterbarn Street/Barden 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

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	0	0	98.35
2024	0	0	99.36
2023	0	0	99.99

Published record details

Reference: UUP02043
Location: Irwell (Source to Whitewell Brook)
Coordinates: 53.80492, -2.24883
Watercourse: Unnamed Trib Of River Calder
Sewerage company: United Utilities
Asset type: SO on sewer network
Permit reference: 017160195
Discharge grid reference: SD8371034320
Reporting years: 2025, 2024, 2023
Catchment: Irwell (Source to Whitewell Brook)

Location

Waterbarn Street/Barden Lane CSO
53.80492, -2.24883

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

Crow Wood CSO 080700.9 km Burnley STW1.2 km Ne Area Sewer1.6 km 134 Burnley Road CSO1.8 km Clitheroe Road CSO2.1 km

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