This is a sewage discharge monitoring station, which is usually a type of Event Duration Monitor (EDM). These stations themselves are designed to mitigate the impact of heavy rainfall by discharging, under permitted conditions, any overflow into a water body. They are often actively discharging during flood events. This page presents the data acquired by the monitoring system for this discharge station.
View Reports that include this Station
Operational Summary - 2021-2024
This dataset is partial, and some year(s) are missing
Spen Burn | 61 Spills | 114.5 hours | 0.43
The declared body of water receiving this discharge is the "Spen Burn" This station has discharged sewage 61 time(s). The station has discharged for a total of 114.5 hour(s). This is 0.43% of the time which we have data for. In total: 4 day(s)* of elapsed time.
99 | 263 hours This monitor has been operational for 99% of its total time we have data for. There are 263.04 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Ash Tree Lane CSO" is 2021, discharging sewage for 76.2 hours of the year.
Uptimes below 90% (red line) should be accompanied by a reason
*This is total time in days, not individual days.
Yearly Summary
Most Recent Year - 2024
Spen Burn | 4 Spills | 1 hours | 0.01 The declared body of water receiving this discharge is the "Spen Burn" This station discharged sewage 4 time(s) during 2024. The station discharged for a total of 1 hour(s). This is around 0 day(s)* or 0.01% of the year. The following reasons have been given for the high spill frequency in 2024: High Spill Threshold Not Met The following comments have been given on the station operators intended actions: No Improvement Action In Reporting Period
99.9 | 1.7 hours This monitor was operational for 99.9% of the year. Leaving 1.7 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
Northumbrian Water
Primary Permit #
234/1056
Secondary Permit #
234/1056
2023
We have no data for the 2023 year This could be because:
It was not processed correctly by us
It was not present in the data
We link records using permit reference, it was missing for 2023
.
2022
Spen Burn | 23 Spills | 37.2 hours | 0.42 The declared body of water receiving this discharge is the "Spen Burn" This station discharged sewage 23 time(s) during 2022. The station discharged for a total of 37.2 hour(s). This is around 1 day(s)* or 0.42% of the year.
99.3 | 54.3 hours This monitor was operational for 99.3% of the year. Leaving 54.3 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
Northumbrian Water
Primary Permit #
234/1056
Secondary Permit #
234/1056
2021
Spen Burn | 34 Spills | 76.2 hours | 0.87 The declared body of water receiving this discharge is the "Spen Burn" This station discharged sewage 34 time(s) during 2021. The station discharged for a total of 76.2 hour(s). This is around 3 day(s)* or 0.87% of the year.
99.9 | 0.8 hours This monitor was operational for 99.9% of the year. Leaving 0.8 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
Northumbrian Water
Primary Permit #
234/1056
Secondary Permit #
234/1056
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
Rivers Derwent, Team, Don and estuarine tributaries
River Derwent at Blackhall Mill
River Derwent at Ebchester Bridge, Blackhall Mill, Lintzford Grange and Rowlands Gill
River Derwent at Eddy's Bridge, Leadmill Bridge, Allensford and Shotley Bridge
Station overseen (meaning either provided, or regulated) by: The Environment Agency The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them. Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes. Information about our data sources and licenses can be found
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