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Avonmouth 'B' Pumping Station: sewage overflow history

Review available Environment Agency annual monitoring returns for Avonmouth 'B' Pumping Station. 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

2022

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	5	11.32	99.99
2024	4	11.82	99.11
2023	0	0	100
2022	0	0	98.91

Published record details

Reference: WXW00094
Location: Not part of a river WB catchment
Coordinates: 51.49410, -2.69756
Watercourse: River Avon Estuary
Sewerage company: Wessex Water
Asset type: Storm discharge at pumping station
Permit reference: 012020
Discharge grid reference: ST5167077470
Reporting years: 2025, 2024, 2023, 2022
Catchment: Not part of a river WB catchment

Location

Avonmouth 'B' Pumping Station
51.49410, -2.69756

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

Lower High Street CSO0.6 km West Town Road Pumping Station0.6 km West Town Road Pumping Station0.6 km Lower High Street CSO0.6 km Old Park Rd Combined Sewer Overflow0.6 km

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