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Startforth Sps: sewage overflow history

Review available Environment Agency annual monitoring returns for Startforth Sps. 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	9	76.95	99.98
2024	25	163.14	100
2023	37	230.98	100
2022	16	81.7	100
2021	11	41.87	100
2020	18	90.12	100

Published record details

Reference: NWL01284
Location: Deepdale Beck from Source to River Tees
Coordinates: 54.54498, -1.93310
Watercourse: Deepdale Beck (Tees)
Sewerage company: Northumbrian Water
Asset type: Storm discharge at pumping station
Permit reference: 252/0992
Discharge grid reference: NZ0442616638
Reporting years: 2025, 2024, 2023, 2022, 2021, 2020
Catchment: Deepdale Beck from Source to River Tees

Location

Startforth Sps
54.54498, -1.93310

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

Rear Of Raby Road Storm Sewage Over0.2 km Galgate CSO0.4 km Gray Lane Storm Sewage Overflow0.8 km The Lendings (Startforth) Sps0.9 km Barnard Castle STW1.1 km

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