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Bilsthorpe Sewage Treatment Works: sewage overflow history

Review available Environment Agency annual monitoring returns for Bilsthorpe Sewage Treatment Works. 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

2020

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	15	78.49	99.99
2024	22	173.87	96.62
2023	30	255.16	99.9
2020	16	108.18	99.88

Published record details

Reference: SVT00266
Location: Rainworth Water from Source to Gallow Hole Dyke
Coordinates: 53.14591, -1.04296
Watercourse: Rainworth Water
Sewerage company: Severn Trent Water
Asset type: Storm tank at WwTW
Permit reference: T/70/45934/R
Discharge grid reference: SK6410961402
Reporting years: 2025, 2024, 2023, 2020
Catchment: Rainworth Water from Source to Gallow Hole Dyke

Location

Bilsthorpe Sewage Treatment Works
53.14591, -1.04296

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

Rainworth Sewage Treatment Works4.9 km Rainworth Sewage Treatment Works4.9 km Edwinstowe CSO5.2 km Edwinstowe - Boy Lane (CSO)5.5 km Edwinstowe STW5.5 km

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