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Fallows CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for Fallows 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

2022

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	0	0	97.84
2024	0	0	100
2023	0	0	95.91
2022	1	0.25	64.06
2021	0	0	38.68

Published record details

Reference: NWL00535
Location: Gaunless from Source to Hummer Beck
Coordinates: 54.61217, -1.80163
Watercourse: Black Burn, Tributary Of
Sewerage company: Northumbrian Water
Asset type: SO on sewer network
Permit reference: 242/1063
Discharge grid reference: NZ1291024130
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: Gaunless from Source to Hummer Beck

Location

Fallows CSO
54.61217, -1.80163

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

Mostyn Terrace CSO0.4 km Blackburn Bridge CSO (Te 015)0.6 km Cockfield Fell No2 CSO0.6 km South Of Cockfield STW CSO Te630.8 km Cockfield STW1.1 km

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