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Clyst Honiton Pumping Station: sewage overflow history

Review available Environment Agency annual monitoring returns for Clyst Honiton Pumping Station. 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	23	269.1	100
2024	34	354.57	100
2023	45	564.41	100
2022	14	205.01	73
2021	12	104.93	100

Published record details

Reference: SBB00279
Location: Upper Clyst
Coordinates: 50.73395, -3.43751
Watercourse: River Clyst
Sewerage company: South West Water
Asset type: SO on sewer network
Permit reference: 201611
Discharge grid reference: SX98659369
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: Upper Clyst

Location

Clyst Honiton Pumping Station
50.73395, -3.43751

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

Langaton Lane CSO1.4 km Monkerton Pumping Station2 km Broadclyst (Side) Pumping Station3.7 km Sweetbrier Lane CSO4 km Moor Lane Pscso/Eo4 km

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