River Basins Humber Derwent Derbyshire Derwent Middle - Derbyshire Alfreton Brook from Westwood Brook to Amber Shirland - Hallfield Gate Sewage Ps
Tributary Of Alfreton Brook at Shirland - Hallfield Gate Sewage Ps
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.
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.
Operational Summary - 2021-2023
305.2 hours | 1.16
The declared body of water receiving this discharge is the "Tributary Of Alfreton Brook"
This station has discharged sewage 85 time(s).
The station has discharged for a total of 305.2 hour(s).
This is 1.16% of the time which we have data for.
In total: 12 day(s)* of elapsed time.
96.3 | 963.6 hours
This monitor has been operational for 96.3% of its total time we have data for.
There are 963.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Shirland - Hallfield Gate Sewage Ps" is 2023, discharging sewage for 129.3 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 - 2023
129.3 hours | 1.47
The declared body of water receiving this discharge is the "Tributary Of Alfreton Brook"
This station discharged sewage 33 time(s) during 2023.
The station discharged for a total of 129.3 hour(s).
This is around 5 day(s)* or 1.47% of the year.
100 | 0 hours
This monitor was operational for 100% of the year.
Leaving 0 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 | Severn Trent Water |
| Primary Permit # | T/41/03811/O |
| Secondary Permit # | T/41/03811/O |
2022
60.7 hours | 0.69
The declared body of water receiving this discharge is the "Tributary Of Alfreton Brook"
This station discharged sewage 28 time(s) during 2022.
The station discharged for a total of 60.7 hour(s).
This is around 2 day(s)* or 0.69% of the year.
100 | 0 hours
This monitor was operational for 100% of the year.
Leaving 0 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 | Severn Trent Water |
| Primary Permit # | T/41/03811/O |
| Secondary Permit # | T/41/03811/O |
2021
115.1 hours | 1.31
The declared body of water receiving this discharge is the "Tributary Of Alfreton Brook"
This station discharged sewage 24 time(s) during 2021.
The station discharged for a total of 115.1 hour(s).
This is around 4 day(s)* or 1.31% of the year.
89.1 | 946.9 hours
This monitor was operational for 89.1% of the year.
Leaving 946.9 hours unaccounted for in the data.
This falls below the 90% threshold where a reason should be given
The following reasons have been given for the downtime in 2021:
Sensor Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
Resolved - August
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Severn Trent Water |
| Primary Permit # | T/41/03811/O |
| Secondary Permit # | T/41/03811/O |
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Local Information
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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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
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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