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108-110 Water Street CSO (Bry0139): sewage overflow history

Review available Environment Agency annual monitoring returns for 108-110 Water Street CSO (Bry0139). 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

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	7	12.13	98.49
2024	10	18.2	87.33
2023	Not reported	Not reported	0

Published record details

Reference: UUP02252
Location: Manchester, Bolton and Bury Canal
Coordinates: 53.56263, -2.33372
Watercourse: Manchester, Bolton & Bury Canal
Sewerage company: United Utilities
Asset type: SO on sewer network
Permit reference: EPRJB3598EB
Discharge grid reference: SD7799307387
Reporting years: 2025, 2024, 2023
Catchment: Manchester, Bolton and Bury Canal

Location

108-110 Water Street CSO (Bry0139)
53.56263, -2.33372

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

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