Sewage Tank Cleaning

28/29 Arlecdon Parks Road CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for 28/29 Arlecdon Parks 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	1	0.07	99.86
2024	1	0.93	99.26
2023	0	0	100
2022	2	0.7	100
2021	0	0	100

Published record details

Reference: UUP00028
Location: Ehen (upper including Liza)
Coordinates: 54.55426, -3.46822
Watercourse: Trib Of Winder Beck
Sewerage company: United Utilities
Asset type: SO on sewer network
Permit reference: 01COP0017
Discharge grid reference: NY0514018660
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: Ehen (upper including Liza)

Location

28/29 Arlecdon Parks Road CSO
54.55426, -3.46822

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

Arlecdon Parks Road CSO0.1 km Arlecdon Combined Sewer Overflow0.2 km Arlecdon STW0.6 km Rowrah Pumping Station1 km Kirkland Wastewater Treatment Works2.5 km

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