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Lydney - Church Road (CSO): sewage overflow history

Review available Environment Agency annual monitoring returns for Lydney - Church 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

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	57	102.67	99.93
2024	85	367.58	92.93
2023	87	315.42	96.3

Published record details

Reference: SVT00828
Location: Cannop Bk - source to R Severn Estuary
Coordinates: 51.71984, -2.53079
Watercourse: River Lyd
Sewerage company: Severn Trent Water
Asset type: SO on sewer network
Permit reference: EPRHB3991WF
Discharge grid reference: SO6343002480
Reporting years: 2025, 2024, 2023
Catchment: Cannop Bk - source to R Severn Estuary

Location

Lydney - Church Road (CSO)
51.71984, -2.53079

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

Lydney - East Marsh Sps0 km Tutnalls Street - Hams Road CSO0.7 km Lydney Sewage Treatment Works1.9 km Oldcroft - Old Dam Road Sps3.6 km Alvington - St Annes Well Sps4 km

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