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5A High Street CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for 5A High 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

2021

2022

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	3	0.27	100
2024	6	1.57	100
2023	7	0.93	100
2022	0	0	100
2021	10	1.37	100

Published record details

Reference: SBB00033
Location: Lower River Lew (Torridge)
Coordinates: 50.81908, -4.07331
Watercourse: River Lew Via Sws
Sewerage company: South West Water
Asset type: SO on sewer network
Permit reference: 201776
Discharge grid reference: SS54050422
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: Lower River Lew (Torridge)

Location

5A High Street CSO
50.81908, -4.07331

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

South Street CSO0 km 8 High Street CSO0 km Buddle Lane CSO0 km 11 High Street CSO0 km Hatherleigh Bridge CSO0 km

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