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Milnrow Road/Fishwick Street CSO: sewage overflow history (UUP01324)

Review available Environment Agency annual monitoring returns for Milnrow Road/Fishwick Street 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	2	0.17	100
2024	3	0.63	99.2
2023	7	0.97	100

Published record details

Reference: UUP01324
Location: Roch (Source to Spodden)
Coordinates: 53.61461, -2.14538
Watercourse: Culverted section of Moss Brook a tributary of River Roch
Sewerage company: United Utilities
Asset type: SO on sewer network
Permit reference: EPRQB3590VT
Discharge grid reference: SD9048013128
Reporting years: 2025, 2024, 2023
Catchment: Roch (Source to Spodden)

Location

Milnrow Road/Fishwick Street CSO
53.61461, -2.14538

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

Milnrow Road/Pine Street CSO0.1 km Milnrow Road/Fishwick Street CSO0.2 km Trafalgar Street /Ramsey Street CSO0.4 km Smith St And John St CSO 350210.5 km Water Street CSO0.5 km

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