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North Church Street CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for North Church 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

2020

2021

2022

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	12	1.98	99.59
2024	5	0.63	100
2023	7	1.85	95.1
2022	17	72.76	99.9
2021	17	25.77	92.14
2020	16	4.16	98.86

Published record details

Reference: SVT01663
Location: Wye from Monk's Dale to Derwent
Coordinates: 53.20493, -1.66463
Watercourse: River Wye
Sewerage company: Severn Trent Water
Asset type: SO on sewer network
Permit reference: T/38/45892/O
Discharge grid reference: SK2249867592
Reporting years: 2025, 2024, 2023, 2022, 2021, 2020
Catchment: Wye from Monk's Dale to Derwent

Location

North Church Street CSO
53.20493, -1.66463

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

King Street Combined Sewer Overflow0 km Market Street CSO0 km Haddon Road Ppg Stn - Stm/Emeg O.F0.2 km Baslow Road CSO1.6 km Bowers Hall CSO2.7 km

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