Sewage Tank Cleaning

Frome Wastewater Treatment Works: sewage overflow history (WXW00454)

Review available Environment Agency annual monitoring returns for Frome Wastewater 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

2021

2022

2023

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	22	60.1	100
2024	43	153.2	100
2023	33	77.23	99.99
2022	21	43.77	100
2021	13	23.33	100
2020	30	80.2	100

Published record details

Reference: WXW00454
Location: Frome (Maiden Bradley to Mells)
Coordinates: 51.23667, -2.32579
Watercourse: River Frome(S)
Sewerage company: Wessex Water
Asset type: Storm tank at WwTW
Permit reference: 102222
Discharge grid reference: ST7735248660
Reporting years: 2025, 2024, 2023, 2022, 2021, 2020
Catchment: Frome (Maiden Bradley to Mells)

Location

Frome Wastewater Treatment Works
51.23667, -2.32579

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

Frome Wastewater Treatment Works0 km Frome Wastewater Treatment Works0 km Whatcombe Road CSO0.1 km Youth Centre CSO0.2 km Westway Precinct Car Park CSO0.5 km

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