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29/30 North Road Combined Sewer Overflow: sewage overflow history

Review available Environment Agency annual monitoring returns for 29/30 North Road Combined Sewer Overflow. 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	2	0.37	93
2024	4	1.5	100
2023	5	2	99.84

Published record details

Reference: NWL00006
Location: Don from Source to Tidal Limit
Coordinates: 54.95460, -1.44822
Watercourse: The River Don
Sewerage company: Northumbrian Water
Asset type: SO on sewer network
Permit reference: EPRZB3794RS
Discharge grid reference: NZ3543562357
Reporting years: 2025, 2024, 2023
Catchment: Don from Source to Tidal Limit

Location

29/30 North Road Combined Sewer Overflow
54.95460, -1.44822

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

New Road CSO0 km Rear Of 92 & 94 Charles Street CSO0 km Boldon Colliery South (N0'7) CSO0 km Jarrow Hedworth CSO 200 km Jarrow Hedworth CSO 230 km

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