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Powis Road CSO 332Mg Pre0025: sewage overflow history

Review available Environment Agency annual monitoring returns for Powis Road CSO 332Mg Pre0025. 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	14.9	100
2024	3	2.56	100
2023	4	10.86	100
2022	0	0	100
2021	0	0	100

Published record details

Reference: UUP01569
Location: RIBBLE_Transitional
Coordinates: 53.76310, -2.73868
Watercourse: Chain Caul Culvert
Sewerage company: United Utilities
Asset type: SO on sewer network
Permit reference: 017160321
Discharge grid reference: SD5140229892
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: RIBBLE_Transitional

Location

Powis Road CSO 332Mg Pre0025
53.76310, -2.73868

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

Watery Lane CSO Pre01080.6 km Holme Road Combined Sewer Overflow0.7 km St Pauls Road CSO 332Tx Pre00060.8 km Watery Lane CSO Shaft C1 Pre00931 km Haslam Park North & South CSO1.2 km

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