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Earls Colne St Andrews Church CSO: sewage overflow history

Review available Environment Agency annual monitoring returns for Earls Colne St Andrews Church 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	3	1	94.16
2024	8	2.75	100
2023	5	1.25	99.99
2022	7	3.75	99.99
2021	6	1.75	99.9

Published record details

Reference: AWS00371
Location: Colne (d/s Doe's Corner)
Coordinates: 51.92769, 0.70857
Watercourse: Tributary Of River Colne
Sewerage company: Anglian Water
Asset type: SO on sewer network
Permit reference: AW2NFE03265
Discharge grid reference: TL8633028930
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: Colne (d/s Doe's Corner)

Location

Earls Colne St Andrews Church CSO
51.92769, 0.70857

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

Earls Colne Water Recycling Centre0.3 km Earls Colne0.3 km Earls Colne Church Hill #3 CSO0.3 km Halstead (Langley) Wrc2.7 km Water Supply Boreholes At Parsonage4.9 km

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