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Thrapston Terminal Pumping Station: sewage overflow history

Review available Environment Agency annual monitoring returns for Thrapston Terminal 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	3	15.6	100
2024	10	72.57	100
2023	2	18.53	100
2022	5	11.87	100
2021	5	21.7	100

Published record details

Reference: AWS01377
Location: Nene - Islip to tidal
Coordinates: 52.39829, -0.54051
Watercourse: Holland Brook
Sewerage company: Anglian Water
Asset type: Storm discharge at pumping station
Permit reference: AW5NF1570
Discharge grid reference: SP9940078810
Reporting years: 2025, 2024, 2023, 2022, 2021
Catchment: Nene - Islip to tidal

Location

Thrapston Terminal Pumping Station
52.39829, -0.54051

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

Islip Pumping Station0.4 km Islip Water Recycling Centre0.8 km Denford PS2 km Lowick Sps2.6 km Aldwincle Tps2.9 km

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