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Storm overflow DCW00003: sewage overflow history

Review available Environment Agency annual monitoring returns for Storm overflow DCW00003. 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

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	4	2.5	99.64

Published record details

Reference: DCW00003
Location: Finchetts Gutter
Coordinates: 53.20055, -2.90428
Watercourse: Finchetts Gutter
Sewerage company: Dwr Cymru Welsh Water
Asset type: SO on sewer network
Permit reference: Unpermitted
Discharge grid reference: SJ3969167435
Reporting years: 2025
Catchment: Finchetts Gutter

Location

Storm overflow DCW00003
53.20055, -2.90428

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.

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