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North Stainley STW: sewage overflow history

Review available Environment Agency annual monitoring returns for North Stainley STW. 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	1	6	99.99
2024	7	51	99.58
2023	3	10	99.59
2022	2	1.25	99.76
2021	2	18.5	99.32
2020	3	11.45	100

Published record details

Reference: YWS00314
Location: Ure from Thornton Steward Beck to River Skell
Coordinates: 54.19111, -1.56074
Watercourse: North Stainley Beck
Sewerage company: Yorkshire Water
Asset type: Inlet SO at WwTW
Permit reference: 27/22/0135
Discharge grid reference: SE2876077350
Reporting years: 2025, 2024, 2023, 2022, 2021, 2020
Catchment: Ure from Thornton Steward Beck to River Skell

Location

North Stainley STW
54.19111, -1.56074

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

Wath (Ripon) Sewage Works3.8 km Field 4751 Melmerby CSO4.9 km Kirkby Malzeard STW5.1 km Kirklington Wastewater T-Ment Works5.2 km Grewelthorpe/Galphay/Laverton Sch5.8 km

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