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Myton On Swale Sewage Works: sewage overflow history

Review available Environment Agency annual monitoring returns for Myton On Swale Sewage 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

100

2021

2022

2023

124

2024

2025

Year	Counted spills	Total spill duration (hours)	Monitor operation (%)
2025	61	938.25	99.98
2024	124	2,042.75	100
2023	95	1,452.5	99.67
2022	63	727	99.98
2021	100	1,606	100
2020	64	782.26	100

Published record details

Reference: YWS00363
Location: Swale from Wiske to River Ure
Coordinates: 54.09463, -1.33470
Watercourse: River Swale
Sewerage company: Yorkshire Water
Asset type: Inlet SO at WwTW
Permit reference: 27/23/0256
Discharge grid reference: SE4361066730
Reporting years: 2025, 2024, 2023, 2022, 2021, 2020
Catchment: Swale from Wiske to River Ure

Location

Myton On Swale Sewage Works
54.09463, -1.33470

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

Aldborough SSO2.1 km Boroughbridge STW2.8 km Helperby (Brafferton) Sps3.1 km Helperby Market CSO3.1 km Helperby Sewage Treatment Works3.2 km

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