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15 Hamlin Lane CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for 15 Hamlin Lane 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

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	1	0.13	98.34
2024	0	0	100
2023	3	0.27	89.48
2022	Not reported	Not reported	0
2021	0	0	16

Published record details

Reference: SBB00010
Location: North Brook (East Devon)
Coordinates: 50.73064, -3.50089
Watercourse: North Brook
Sewerage company: South West Water
Asset type: SO on sewer network
Permit reference: 201905
Discharge grid reference: SX94179341
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: North Brook (East Devon)

Location

15 Hamlin Lane CSO
50.73064, -3.50089

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

121A St. Katherines Road CSO0.5 km Sweetbrier Lane CSO1 km North Lawn Court CSO1.3 km First Avenue Service Lane CSO1.3 km Heavitree Pleasure Ground CSO1.3 km

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